21531335040

Names of 21531335040

• Cardinal: 21531335040 can be written as Twenty-one billion, five hundred thirty-one million, three hundred thirty-five thousand and forty.

Scientific notation

• Scientific notation: 2.153133504 × 10¹⁰

Factors of 21531335040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 280

Divisors of 21531335040

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 19 20 24 30 32 34 36 38 40 45 48 51 57 60 64 68 71 72 76 80 85 90 95 96 102 114 120 128 136 142 144 152 153 160 163 170 171 180 190 192 204 213 228 240 255 272 284 285 288 304 306 320 323 326 340 342 355 360 380 384 408 426 456 480 489 510 544 568 570 576 608 612 639 640 646 652 680 684 710 720 760 765 815 816 852 855 912 960 969 978 1020 1065 1088 1136 1140 1152 1207 1216 1224 1278 1292 1304 1349 1360 1368 1420 1440 1467 1520 1530 1615 1630 1632 1704 1710 1824 1920 1938 1956 2040 2130 2176 2272 2280 2414 2432 2445 2448 2556 2584 2608 2698 2720 2736 2771 2840 2880 2907 2934 3040 3060 3097 3195 3230 3260 3264 3408 3420 3621 3648 3876 3912 4047 4080 4260 4544 4560 4828 4845 4890 4896 5112 5168 5216 5396 5440 5472 5542 5680 5760 5814 5868 6035 6080 6120 6194 6390 6460 6520 6528 6745 6816 6840 7242 7296 7335 7752 7824 8094 8160 8313 8520 9088 9120 9291 9656 9690 9780 9792 10224 10336 10432 10792 10863 10880 10944 11084 11360 11573 11628 11736 12070 12141 12160 12240 12388 12780 12920 13040 13490 13632 13680 13855 14484 14535 14670 15485 15504 15648 16188 16320 16626 17040 18105 18240 18582 19312 19380 19560 19584 20235 20448 20672 20864 21584 21726 21888 22168 22720 22933 23146 23256 23472 24140 24282 24480 24776 24939 25560 25840 26080 26980 27264 27360 27710 27873 28968 29070 29340 30970 31008 31296 32376 32640 33252 34080 34719 36210 36480 37164 38624 38760 39120 40470 40896 41344 41565 43168 43452 44336 45440 45866 46292 46455 46512 46944 48280 48564 48960 49552 49878 51120 51680 52160 52649 53960 54315 54720 55420 55746 57865 57936 58140 58680 60705 61940 62016 62592 64752 66504 68160 68799 69438 72420 74328 77248 77520 78240 80940 81792 83130 86336 86904 88672 91732 92584 92910 93024 93888 96560 97128 97920 99104 99756 102240 103360 104157 104320 105298 107920 108630 109440 110840 111492 114665 115730 115872 116280 117360 121410 123880 124032 124695 129504 133008 136320 137598 138876 139365 144840 148656 154496 155040 156480 157947 161880 166260 172672 173595 173808 177344 183464 185168 185820 186048 187776 193120 194256 196741 198208 199512 204480 206397 206720 208314 210596 215840 217260 219887 221680 222984 229330 231460 231744 232560 234720 242820 247760 249390 259008 263245 266016 275196 277752 278730 289680 297312 310080 312960 315894 323760 332520 343995 347190 347616 354688 366928 370336 371640 372096 386240 388512 393482 396416 399024 408960 412794 416628 421192 431680 434520 439774 443360 445968 458660 462920 463488 465120 469440 473841 485640 495520 498780 518016 520785 526490 532032 550392 555504 557460 579360 590223 594624 620160 631788 647520 659661 665040 687990 694380 695232 733856 740672 743280 772480 777024 786964 789735 798048 825588 833256 842384 863360 869040 879548 886720 891936 917320 925840 930240 938880 947682 971280 983705 991040 997560 1031985 1041570 1052980 1064064 1099435 1100784 1111008 1114920 1158720 1180446 1189248 1263576 1295040 1319322 1330080 1375980 1388760 1390464 1467712 1481344 1486560 1554048 1573928 1579470 1596096 1651176 1666512 1684768 1738080 1759096 1770669 1773440 1783872 1834640 1851680 1860480 1895364 1942560 1967410 1978983 1982080 1995120 2063970 2083140 2105960 2198870 2201568 2222016 2229840 2317440 2360892 2369205 2527152 2590080 2638644 2660160 2751960 2777520 2935424 2951115 2973120 3147856 3158940 3192192 3298305 3302352 3333024 3369536 3476160 3518192 3541338 3567744 3669280 3703360 3738079 3790728 3885120 3934820 3957966 3990240 4127940 4166280 4211920 4397740 4403136 4444032 4459680 4721784 4738410 5054304 5277288 5320320 5503920 5555040 5902230 5946240 6295712 6317880 6596610 6604704 6666048 6739072 6952320 7036384 7082676 7338560 7406720 7476158 7581456 7770240 7869640 7915932 7980480 8255880 8332560 8423840 8795480 8806272 8853345 8919360 9443568 9476820 9894915 10108608 10554576 11007840 11110080 11214237 11804460 12591424 12635760 13193220 13209408 13332096 14072768 14165352 14677120 14952316 15162912 15739280 15831864 15960960 16511760 16665120 16847680 17590960 17706690 17838720 18690395 18887136 18953640 19789830 20217216 21109152 22015680 22220160 22428474 23608920 25182848 25271520 26386440 26418816 28145536 28330704 29904632 30325824 31478560 31663728 33023520 33330240 33642711 33695360 35181920 35413380 37380790 37774272 37907280 39579660 42218304 44031360 44856948 47217840 50543040 52772880 56071185 56661408 59809264 60651648 62957120 63327456 66047040 66660480 67285422 70363840 70826760 74761580 75548544 75814560 79159320 84436608 89713896 94435680 101086080 105545760 112142370 113322816 119618528 125914240 126654912 132094080 134570844 140727680 141653520 149523160 151629120 158318640 168213555 179427792 188871360 211091520 224284740 226645632 239237056 253309824 269141688 283307040 299046320 303258240 316637280 336427110 358855584 377742720 422183040 448569480 478474112 538283376 566614080 598092640 633274560 672854220 717711168 897138960 1076566752 1133228160 1196185280 1266549120 1345708440 1435422336 1794277920 2153133504 2392370560 2691416880 3588555840 4306267008 5382833760 7177111680 10765667520 21531335040
• Sum of all divisors σ(n): 84550003200
• Sum of proper divisors (its aliquot sum) s(n): 63018668160
• 21531335040 is an abundant number, because the sum of its proper divisors (63018668160) is greater than itself. Its abundance is 41487333120

Bases of 21531335040

• Binary: 10100000011010111100001100110000000₂
• Hexadecimal: 0x5035E1980
• Base-36: 9W378G0

Squares and roots of 21531335040

• 21531335040 squared (21531335040²) is 463598388604731801600
• 21531335040 cubed (21531335040³) is 9981892229052598549592408064000
• The square root of 21531335040 is 146735.5956814841
• The cube root of 21531335040 is 2781.9991072661

Scales and comparisons

• 21,531,335,040 seconds is equal to 684 years, 32 weeks, 5 days, 6 hours, 24 minutes.
• To count from 1 to 21,531,335,040 would take you about one thousand, three hundred sixty-nine 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 21531335040 cubic inches would be around 231.8 feet tall.

Recreational maths with 21531335040

• 21531335040 backwards is 04053313512
• The number of decimal digits it has is: 11
• The sum of 21531335040's digits is 27
• More coming soon!