21941694720

Names of 21941694720

• Cardinal: 21941694720 can be written as Twenty-one billion, nine hundred forty-one million, six hundred ninety-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.194169472 × 10¹⁰

Factors of 21941694720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 74

Divisors of 21941694720

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 53 54 55 60 64 66 72 80 81 88 90 96 99 106 108 110 120 121 128 132 135 144 159 160 162 165 176 180 192 198 212 216 220 240 242 243 256 264 265 270 288 297 318 320 324 330 352 360 363 384 396 405 424 432 440 477 480 484 486 495 528 530 540 576 583 594 605 636 640 648 660 704 720 726 768 792 795 810 848 864 880 891 954 960 968 972 990 1056 1060 1080 1089 1152 1166 1188 1210 1215 1272 1280 1296 1320 1331 1408 1431 1440 1452 1485 1584 1590 1620 1696 1728 1749 1760 1782 1815 1908 1920 1936 1944 1980 2112 2120 2160 2178 2304 2332 2376 2385 2420 2430 2544 2592 2640 2662 2673 2816 2862 2880 2904 2915 2970 3168 3180 3240 3267 3392 3456 3498 3520 3564 3630 3816 3840 3872 3888 3960 3993 4224 4240 4293 4320 4356 4455 4664 4752 4770 4840 4860 5088 5184 5247 5280 5324 5346 5445 5724 5760 5808 5830 5940 6336 6360 6413 6480 6534 6655 6784 6912 6996 7040 7128 7155 7260 7632 7744 7776 7920 7986 8448 8480 8586 8640 8712 8745 8910 9328 9504 9540 9680 9720 9801 10176 10368 10494 10560 10648 10692 10890 11448 11520 11616 11660 11880 11979 12672 12720 12826 12879 12960 13068 13310 13365 13568 13992 14080 14256 14310 14520 15264 15488 15552 15741 15840 15972 16335 16960 17172 17280 17424 17490 17820 18656 19008 19080 19239 19360 19440 19602 19965 20352 20736 20988 21120 21296 21384 21465 21780 22896 23232 23320 23760 23958 25344 25440 25652 25758 25920 26136 26235 26620 26730 27984 28512 28620 29040 29403 30528 30976 31104 31482 31680 31944 32065 32670 33920 34344 34560 34848 34980 35640 35937 37312 38016 38160 38478 38720 38880 39204 39930 40704 41976 42240 42592 42768 42930 43560 45792 46464 46640 47223 47520 47916 49005 50880 51304 51516 51840 52272 52470 53240 53460 55968 57024 57240 57717 58080 58806 59895 61056 62208 62964 63360 63888 64130 64395 65340 67840 68688 69696 69960 70543 71280 71874 74624 76032 76320 76956 77440 77760 78408 78705 79860 83952 85184 85536 85860 87120 91584 92928 93280 94446 95040 95832 96195 98010 101760 102608 103032 103680 104544 104940 106480 106920 107811 111936 114048 114480 115434 116160 117612 119790 122112 125928 126720 127776 128260 128790 130680 137376 139392 139920 141086 141669 142560 143748 147015 149248 152640 153912 154880 155520 156816 157410 159720 167904 170368 171072 171720 173151 174240 179685 183168 186560 188892 190080 191664 192390 196020 203520 205216 206064 209088 209880 211629 212960 213840 215622 223872 228096 228960 230868 232320 235224 236115 239580 251856 255552 256520 257580 261360 274752 278784 279840 282172 283338 285120 287496 288585 294030 305280 307824 311040 313632 314820 319440 323433 335808 340736 342144 343440 346302 348480 352715 359370 366336 373120 377784 380160 383328 384780 392040 410432 412128 418176 419760 423258 425920 427680 431244 447744 457920 461736 464640 470448 472230 479160 503712 511104 513040 515160 519453 522720 539055 549504 559680 564344 566676 570240 574992 577170 588060 610560 615648 627264 629640 634887 638880 646866 671616 684288 686880 692604 696960 705430 708345 718740 746240 755568 766656 769560 784080 820864 824256 836352 839520 846516 851840 855360 862488 865755 915840 923472 940896 944460 958320 1007424 1022208 1026080 1030320 1038906 1045440 1058145 1078110 1099008 1119360 1128688 1133352 1140480 1149984 1154340 1176120 1231296 1254528 1259280 1269774 1277760 1293732 1343232 1373760 1385208 1393920 1410860 1416690 1437480 1511136 1533312 1539120 1558359 1568160 1617165 1641728 1648512 1679040 1693032 1703680 1710720 1724976 1731510 1831680 1846944 1881792 1888920 1904661 1916640 2014848 2052160 2060640 2077812 2090880 2116290 2156220 2238720 2257376 2266704 2299968 2308680 2352240 2462592 2509056 2518560 2539548 2555520 2587464 2597265 2747520 2770416 2821720 2833380 2874960 3022272 3066624 3078240 3116718 3136320 3174435 3234330 3297024 3358080 3386064 3421440 3449952 3463020 3693888 3763584 3777840 3809322 3833280 4029696 4104320 4121280 4155624 4181760 4232580 4312440 4514752 4533408 4599936 4617360 4704480 4925184 5037120 5079096 5111040 5174928 5194530 5495040 5540832 5643440 5666760 5713983 5749920 6044544 6156480 6233436 6272640 6348870 6468660 6716160 6772128 6899904 6926040 7387776 7527168 7555680 7618644 7666560 7791795 8208640 8242560 8311248 8465160 8624880 9029504 9066816 9199872 9234720 9408960 9523305 10074240 10158192 10349856 10389060 11081664 11286880 11333520 11427966 11499840 12089088 12312960 12466872 12545280 12697740 12937320 13544256 13799808 13852080 14775552 15111360 15237288 15333120 15583590 16485120 16622496 16930320 17141949 17249760 18059008 18133632 18469440 18817920 19046610 20148480 20316384 20699712 20778120 22163328 22573760 22667040 22855932 22999680 24625920 24933744 25395480 25874640 27088512 27599616 27704160 28569915 30222720 30474576 31167180 33244992 33860640 34283898 34499520 36267264 36938880 37635840 38093220 40632768 41399424 41556240 44326656 45147520 45334080 45711864 45999360 49867488 50790960 51749280 54177024 55408320 57139830 60445440 60949152 62334360 66489984 67721280 68567796 68999040 73877760 76186440 81265536 82798848 83112480 85709745 90295040 90668160 91423728 99734976 101581920 103498560 110816640 114279660 121898304 124668720 132979968 135442560 137135592 137998080 152372880 162531072 166224960 171419490 181336320 182847456 199469952 203163840 206997120 221633280 228559320 243796608 249337440 270885120 274271184 304745760 332449920 342838980 365694912 398939904 406327680 413994240 457118640 487593216 498674880 548542368 609491520 664899840 685677960 731389824 812655360 914237280 997349760 1097084736 1218983040 1371355920 1462779648 1828474560 1994699520 2194169472 2437966080 2742711840 3656949120 4388338944 5485423680 7313898240 10970847360 21941694720
• Sum of all divisors σ(n): 88228393344
• Sum of proper divisors (its aliquot sum) s(n): 66286698624
• 21941694720 is an abundant number, because the sum of its proper divisors (66286698624) is greater than itself. Its abundance is 44345003904

Bases of 21941694720

• Binary: 10100011011110100111011000100000000₂
• Hexadecimal: 0x51BD3B100
• Base-36: A2VIO00

Squares and roots of 21941694720

• 21941694720 squared (21941694720²) is 481437967185675878400
• 21941694720 cubed (21941694720³) is 10563564902605477680720642048000
• The square root of 21941694720 is 148127.2922860605
• The cube root of 21941694720 is 2799.5617817597

Scales and comparisons

• 21,941,694,720 seconds is equal to 697 years, 35 weeks, 1 day, 19 hours, 12 minutes.
• To count from 1 to 21,941,694,720 would take you about one thousand, three hundred ninety-five 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 21941694720 cubic inches would be around 233.3 feet tall.

Recreational maths with 21941694720

• 21941694720 backwards is 02749614912
• 21941694720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21941694720's digits is 45
• More coming soon!