21034391040

Names of 21034391040

• Cardinal: 21034391040 can be written as Twenty-one billion, thirty-four million, three hundred ninety-one thousand and forty.

Scientific notation

• Scientific notation: 2.103439104 × 10¹⁰

Factors of 21034391040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 40

Divisors of 21034391040

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 27 30 32 34 36 39 40 45 48 51 52 54 60 64 65 68 72 78 80 81 85 90 96 102 104 108 117 120 128 130 135 136 144 153 156 160 162 170 180 192 195 204 208 216 221 234 240 243 255 256 260 270 272 288 289 306 312 320 324 340 351 360 384 390 405 408 416 432 442 459 468 480 486 510 512 520 540 544 576 578 585 612 624 640 648 663 680 702 720 729 765 768 780 810 816 832 864 867 884 918 936 960 972 1020 1040 1053 1080 1088 1105 1152 1156 1170 1215 1224 1248 1280 1296 1326 1360 1377 1404 1440 1445 1458 1530 1536 1560 1620 1632 1664 1728 1734 1755 1768 1836 1872 1920 1944 1989 2040 2080 2106 2160 2176 2187 2210 2295 2304 2312 2340 2430 2448 2496 2560 2592 2601 2652 2720 2754 2808 2880 2890 2916 3060 3120 3159 3240 3264 3315 3328 3456 3468 3510 3536 3645 3672 3744 3757 3840 3888 3978 4080 4131 4160 4212 4320 4335 4352 4374 4420 4590 4608 4624 4680 4860 4896 4992 5184 5202 5265 5304 5440 5508 5616 5760 5780 5832 5967 6120 6240 6318 6480 6528 6630 6656 6885 6912 6936 7020 7072 7290 7344 7488 7514 7680 7776 7803 7956 8160 8262 8320 8424 8640 8670 8704 8748 8840 9180 9248 9360 9477 9720 9792 9945 9984 10368 10404 10530 10608 10880 10935 11016 11232 11271 11520 11560 11664 11934 12240 12393 12480 12636 12960 13005 13056 13260 13770 13824 13872 14040 14144 14580 14688 14976 15028 15552 15606 15795 15912 16320 16524 16640 16848 17280 17340 17496 17680 17901 18360 18496 18720 18785 18954 19440 19584 19890 19968 20655 20736 20808 21060 21216 21760 21870 22032 22464 22542 23040 23120 23328 23409 23868 24480 24786 24960 25272 25920 26010 26112 26520 27540 27744 28080 28288 28431 29160 29376 29835 29952 30056 31104 31212 31590 31824 32640 33048 33280 33696 33813 34560 34680 34992 35360 35802 36720 36992 37179 37440 37570 37908 38880 39015 39168 39780 41310 41472 41616 42120 42432 43520 43740 44064 44928 45084 46240 46656 46818 47385 47736 48960 49572 49920 50544 51840 52020 53040 53703 55080 55488 56160 56355 56576 56862 58320 58752 59670 59904 60112 61965 62208 62424 63180 63648 65280 66096 67392 67626 69120 69360 69984 70227 70720 71604 73440 73984 74358 74880 75140 75816 77760 78030 78336 79560 82620 83232 84240 84864 87480 88128 89505 89856 90168 92480 93312 93636 94770 95472 97920 99144 99840 101088 101439 103680 104040 106080 107406 110160 110976 112320 112710 113152 113724 116640 117045 117504 119340 120224 123930 124416 124848 126360 127296 130560 132192 134784 135252 138720 139968 140454 141440 142155 143208 146880 147968 148716 149760 150280 151632 155520 156060 159120 161109 165240 166464 168480 169065 169728 174960 176256 179010 179712 180336 184960 185895 186624 187272 189540 190944 195840 198288 202176 202878 207360 208080 210681 212160 214812 220320 221952 224640 225420 227448 233280 234090 235008 238680 240448 247860 249696 252720 254592 264384 268515 269568 270504 277440 279936 280908 282880 284310 286416 293760 297432 299520 300560 303264 304317 311040 312120 318240 322218 330480 332928 336960 338130 339456 349920 351135 352512 358020 360672 369920 371790 373248 374544 379080 381888 391680 396576 404352 405756 416160 421362 424320 429624 440640 443904 449280 450840 454896 466560 468180 477360 480896 483327 495720 499392 505440 507195 509184 528768 537030 539136 541008 554880 559872 561816 565760 568620 572832 587520 594864 601120 606528 608634 622080 624240 632043 636480 644436 660960 665856 673920 676260 699840 702270 705024 716040 721344 739840 743580 749088 758160 763776 793152 805545 808704 811512 832320 842724 848640 859248 881280 898560 901680 909792 912951 933120 936360 954720 961792 966654 991440 998784 1010880 1014390 1018368 1053405 1057536 1074060 1082016 1109760 1119744 1123632 1137240 1145664 1175040 1189728 1202240 1213056 1217268 1248480 1264086 1272960 1288872 1321920 1331712 1347840 1352520 1399680 1404540 1432080 1442688 1487160 1498176 1516320 1521585 1527552 1586304 1611090 1617408 1623024 1664640 1685448 1697280 1718496 1762560 1803360 1819584 1825902 1866240 1872720 1909440 1923584 1933308 1982880 1997568 2021760 2028780 2106810 2115072 2148120 2164032 2219520 2247264 2274480 2291328 2379456 2404480 2416635 2426112 2434536 2496960 2528172 2545920 2577744 2643840 2695680 2705040 2738853 2799360 2809080 2864160 2885376 2974320 2996352 3032640 3043170 3055104 3160215 3172608 3222180 3246048 3329280 3370896 3436992 3525120 3606720 3639168 3651804 3745440 3818880 3866616 3965760 3995136 4043520 4057560 4213620 4296240 4328064 4494528 4548960 4564755 4582656 4758912 4808960 4833270 4852224 4869072 4993920 5056344 5091840 5155488 5287680 5410080 5477706 5598720 5618160 5728320 5770752 5948640 5992704 6065280 6086340 6320430 6345216 6444360 6492096 6658560 6741792 6873984 7213440 7278336 7303608 7490880 7637760 7733232 7931520 8087040 8115120 8216559 8427240 8592480 8656128 8989056 9097920 9129510 9165312 9517824 9617920 9666540 9738144 9987840 10112688 10310976 10575360 10820160 10955412 11236320 11456640 11897280 11985408 12130560 12172680 12640860 12888720 12984192 13483584 13694265 13747968 14426880 14556672 14607216 14981760 15275520 15466464 15863040 16230240 16433118 16854480 17184960 17312256 17978112 18195840 18259020 19035648 19333080 19476288 19975680 20225376 20621952 21640320 21910824 22472640 22913280 23794560 24261120 24345360 25281720 25777440 25968384 26967168 27388530 27495936 28853760 29214432 29963520 30932928 31726080 32460480 32866236 33708960 34369920 35956224 36391680 36518040 38666160 38952576 40450752 41082795 41243904 43280640 43821648 44945280 45826560 47589120 48690720 50563440 51554880 51936768 53934336 54777060 58428864 59927040 61865856 64920960 65732472 67417920 68739840 72783360 73036080 77332320 77905152 80901504 82165590 82487808 86561280 87643296 89890560 95178240 97381440 101126880 103109760 107868672 109554120 116857728 123731712 129841920 131464944 134835840 137479680 146072160 154664640 155810304 161803008 164331180 175286592 179781120 194762880 202253760 206219520 219108240 233715456 247463424 259683840 262929888 269671680 292144320 309329280 323606016 328662360 350573184 389525760 404507520 412439040 438216480 467430912 525859776 539343360 584288640 618658560 657324720 701146368 779051520 809015040 876432960 1051719552 1168577280 1237317120 1314649440 1402292736 1618030080 1752865920 2103439104 2337154560 2629298880 3505731840 4206878208 5258597760 7011463680 10517195520 21034391040
• Sum of all divisors σ(n): 86530086720
• Sum of proper divisors (its aliquot sum) s(n): 65495695680
• 21034391040 is an abundant number, because the sum of its proper divisors (65495695680) is greater than itself. Its abundance is 44461304640

Bases of 21034391040

• Binary: 10011100101101111110101011000000000₂
• Hexadecimal: 0x4E5BF5600
• Base-36: 9NVC000

Squares and roots of 21034391040

• 21034391040 squared (21034391040²) is 442445606423632281600
• 21034391040 cubed (21034391040³) is 9306573899444617308341796864000
• The square root of 21034391040 is 145032.3792813177
• The cube root of 21034391040 is 2760.4294227865

Scales and comparisons

• 21,034,391,040 seconds is equal to 668 years, 43 weeks, 14 hours, 24 minutes.
• To count from 1 to 21,034,391,040 would take you about one thousand, three hundred thirty-seven 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 21034391040 cubic inches would be around 230 feet tall.

Recreational maths with 21034391040

• 21034391040 backwards is 04019343012
• 21034391040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21034391040's digits is 27
• More coming soon!