21035154312720

Names of 21035154312720

• Cardinal: 21035154312720 can be written as Twenty-one trillion, thirty-five billion, one hundred fifty-four million, three hundred twelve thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.103515431272 × 10¹³

Factors of 21035154312720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 52

Divisors of 21035154312720

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 23 24 27 30 36 38 40 45 46 48 54 57 60 69 72 76 80 81 90 92 95 108 114 115 120 135 138 144 152 162 171 180 184 190 207 216 228 230 240 243 270 276 285 304 324 342 345 360 361 368 380 405 414 432 437 456 460 486 513 540 552 570 621 648 684 690 720 722 760 810 828 855 874 912 920 972 1026 1035 1080 1083 1104 1140 1215 1242 1296 1311 1368 1380 1444 1520 1539 1620 1656 1710 1748 1805 1840 1863 1944 2052 2070 2160 2166 2185 2280 2430 2484 2565 2622 2736 2760 2888 3078 3105 3240 3249 3312 3420 3496 3610 3726 3888 3933 4104 4140 4332 4370 4560 4617 4860 4968 5130 5244 5415 5520 5589 5776 6156 6210 6480 6498 6555 6840 6859 6992 7220 7452 7695 7866 8208 8280 8303 8664 8740 9234 9315 9720 9747 9936 10260 10488 10830 11178 11799 12312 12420 12996 13110 13680 13718 14440 14904 15390 15732 16245 16560 16606 17328 17480 18468 18630 19440 19494 19665 20520 20577 20976 21660 22356 23085 23598 24624 24840 24909 25992 26220 27436 27945 28880 29241 29808 30780 31464 32490 33212 34295 34960 35397 36936 37260 38988 39330 41040 41154 41515 43320 44712 46170 47196 48735 49680 49818 51984 52440 54872 55890 58482 58995 61560 61731 62928 64980 66424 68590 70794 73872 74520 74727 77976 78660 82308 83030 86640 87723 89424 92340 94392 97470 99636 102885 104880 106191 109744 111780 116964 117990 123120 123462 124545 129960 130321 132848 137180 141588 146205 149040 149454 155952 157320 157757 164616 166060 175446 176985 184680 185193 188784 194940 199272 205770 212382 223560 224181 233928 235980 246924 249090 259920 260642 274360 283176 292410 298908 308655 314640 315514 329232 332120 350892 353970 369360 370386 373635 389880 390963 398544 411540 424764 438615 447120 448362 467856 471960 473271 493848 498180 521284 530955 548720 555579 566352 584820 597816 617310 631028 651605 664240 672543 701784 707940 740772 747270 779760 781926 788785 823080 849528 877230 896724 925965 943920 946542 987696 996360 1042568 1061910 1111158 1120905 1169640 1172889 1195632 1234620 1262056 1303210 1345086 1403568 1415880 1419813 1481544 1494540 1563852 1577570 1646160 1666737 1699056 1754460 1793448 1851930 1893084 1954815 1992720 2017629 2085136 2123820 2222316 2241810 2339280 2345778 2366355 2469240 2476099 2524112 2606420 2690172 2777895 2831760 2839626 2963088 2989080 2997383 3127704 3155140 3333474 3362715 3508920 3518667 3586896 3703860 3786168 3909630 4035258 4247640 4259439 4444632 4483620 4691556 4732710 4938480 4952198 5212840 5380344 5555790 5679252 5864445 5978160 5994766 6255408 6310280 6666948 6725430 7017840 7037334 7099065 7407720 7428297 7572336 7819260 8070516 8333685 8495280 8518878 8889264 8967240 8992149 9383112 9465420 9904396 10088145 10425680 10556001 10760688 11111580 11358504 11728890 11989532 12380495 12620560 12778317 13333896 13450860 14074668 14198130 14815440 14856594 14986915 15638520 16141032 16667370 17037756 17593335 17934480 17984298 18766224 18930840 19808792 20176290 21112002 21297195 22223160 22284891 22717008 23457780 23979064 24760990 25556634 26667792 26901720 26976447 28149336 28396260 29713188 29973830 31277040 31668003 32282064 33334740 34075512 35186670 35968596 37141485 37861680 38334951 39617584 40352580 42224004 42594390 44446320 44569782 44960745 46915560 47045881 47958128 49521980 51113268 52780005 53803440 53952894 56298672 56792520 56950277 59426376 59947660 63336006 63891585 66669480 66854673 68151024 70373340 71937192 74282970 76669902 80705160 80929341 84448008 85188780 89139564 89921490 93831120 94091762 99043960 102226536 105560010 107905788 111424455 113585040 113900554 118852752 119895320 126672012 127783170 133338960 133709346 134882235 140746680 141137643 143874384 148565940 153339804 158340015 161410320 161858682 168896016 170377560 170850831 178279128 179842980 188183524 191674755 198087920 200564019 204453072 211120020 215811576 222848910 227801108 235229405 239790640 242788023 253344024 255566340 267418692 269764470 281493360 282275286 284751385 297131880 306679608 316680030 323717364 334273365 340755120 341701662 356558256 359685960 376367048 383349510 401128038 404646705 422240040 423412929 431623152 445697820 455602216 470458810 485576046 506688048 511132680 512552493 534837384 539528940 564550572 569502770 594263760 601692057 613359216 633360060 647434728 668546730 683403324 705688215 719371920 728364069 752734096 766699020 802256076 809293410 844480080 846825858 854254155 891395640 911204432 940917620 971152092 1002820095 1022265360 1025104986 1069674768 1079057880 1082055263 1129101144 1139005540 1203384114 1213940115 1266720120 1270238787 1294869456 1337093460 1366806648 1411376430 1456728138 1533398040 1537657479 1604512152 1618586820 1693651716 1708508310 1782791280 1881835240 1942304184 2005640190 2050209972 2117064645 2158115760 2164110526 2258202288 2278011080 2406768228 2427880230 2533440240 2540477574 2562762465 2674186920 2733613296 2822752860 2913456276 3008460285 3066796080 3075314958 3209024304 3237173640 3246165789 3387303432 3417016620 3641820345 3763670480 3810716361 3884608368 4011280380 4100419944 4234129290 4328221052 4556022160 4612972437 4813536456 4855760460 5080955148 5125524930 5348373840 5410276315 5645505720 5826912552 6016920570 6150629916 6351193935 6474347280 6492331578 6774606864 6834033240 7283640690 7621432722 7688287395 8022560760 8200839888 8468258580 8656442104 9225944874 9627072912 9711520920 9738497367 10161910296 10251049860 10820552630 11291011440 11432149083 11653825104 12033841140 12301259832 12702387870 12984663156 13668066480 13838917311 14567281380 15242865444 15376574790 16045121520 16230828945 16936517160 17312884208 18451889748 19053581805 19423041840 19476994734 20323820592 20502099720 21641105260 22864298166 23064862185 24067682280 24602519664 25404775740 25969326312 27677834622 29134562760 29215492101 30485730888 30753149580 32461657890 33873034320 36903779496 38107163610 38953989468 41004199440 43282210520 45728596332 46129724370 48135364560 48692486835 50809551480 51938652624 55355669244 57160745415 58269125520 58430984202 60971461776 61506299160 64923315780 69194586555 73807558992 76214327220 77907978936 86564421040 87646476303 91457192664 92259448740 97384973670 101619102960 110711338488 114321490830 116861968404 123012598320 129846631560 138389173110 146077460505 152428654440 155815957872 175292952606 182914385328 184518897480 194769947340 221422676976 228642981660 233723936808 259693263120 262939428909 276778346220 292154921010 304857308880 350585905212 369037794960 389539894680 438232381515 457285963320 467447873616 525878857818 553556692440 584309842020 701171810424 779079789360 876464763030 914571926640 1051757715636 1107113384880 1168619684040 1314697144545 1402343620848 1752929526060 2103515431272 2337239368080 2629394289090 3505859052120 4207030862544 5258788578180 7011718104240 10517577156360 21035154312720
• Sum of all divisors σ(n): 80691589532736
• Sum of proper divisors (its aliquot sum) s(n): 59656435220016
• 21035154312720 is an abundant number, because the sum of its proper divisors (59656435220016) is greater than itself. Its abundance is 38621280907296

Bases of 21035154312720

• Binary: 100110010000110100000111001101000111000010000₂
• Hexadecimal: 0x1321A0E68E10
• Base-36: 7GFEZRL00

Squares and roots of 21035154312720

• 21035154312720 squared (21035154312720²) is 442477716959942815553798400
• 21035154312720 cubed (21035154312720³) is 9307587056192440604081061908937435648000
• The square root of 21035154312720 is 4586409.7410414609
• The cube root of 21035154312720 is 27604.6281151939

Scales and comparisons

• 21,035,154,312,720 seconds is equal to 668,852 years, 43 weeks, 5 days, 4 hours, 12 minutes.
• To count from 1 to 21,035,154,312,720 would take you about one million, six hundred seventy-two thousand, one hundred thirty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21035154312720 cubic inches would be around 2300.4 feet tall.

Recreational maths with 21035154312720

• 21035154312720 backwards is 02721345153012
• 21035154312720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21035154312720's digits is 36
• More coming soon!