21129714144

Names of 21129714144

• Cardinal: 21129714144 can be written as Twenty-one billion, one hundred twenty-nine million, seven hundred fourteen thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1129714144 × 10¹⁰

Factors of 21129714144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1825

Divisors of 21129714144

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 49 56 63 66 72 77 79 84 88 96 98 99 112 126 132 144 147 154 158 168 176 196 198 224 231 237 252 264 288 294 308 316 336 352 392 396 441 462 474 504 528 539 553 588 616 632 672 693 711 784 792 869 882 924 948 1008 1056 1078 1106 1176 1232 1264 1386 1422 1568 1584 1617 1659 1723 1738 1764 1848 1896 2016 2156 2212 2352 2464 2528 2607 2772 2844 3168 3234 3318 3446 3476 3528 3696 3792 3871 4312 4424 4704 4851 4977 5169 5214 5544 5688 6083 6468 6636 6892 6952 7056 7392 7584 7742 7821 8624 8848 9702 9954 10338 10428 11088 11376 11613 12061 12166 12936 13272 13784 13904 14112 15484 15507 15642 17248 17696 18249 18953 19404 19908 20676 20856 22176 22752 23226 24122 24332 25872 26544 27568 27808 30968 31014 31284 34839 36183 36498 37906 38808 39816 41352 41712 42581 46452 48244 48664 51744 53088 54747 55136 56859 61936 62028 62568 69678 72366 72996 75812 77616 79632 82704 83424 84427 85162 92904 96488 97328 108549 109494 113718 123872 124056 125136 127743 132671 136117 139356 144732 145992 151624 155232 159264 165408 168854 170324 170577 185808 192976 194656 217098 218988 227436 248112 250272 253281 255486 265342 272234 278712 289464 291984 303248 337708 340648 341154 371616 383229 385952 398013 408351 434196 437976 454872 496224 506562 510972 530684 544468 557424 578928 583968 606496 675416 681296 682308 759843 766458 796026 816702 868392 875952 909744 928697 952819 1013124 1021944 1061368 1088936 1114848 1157856 1194039 1225053 1350832 1362592 1364616 1497287 1519686 1532916 1592052 1633404 1736784 1751904 1819488 1857394 1905638 2026248 2043888 2122736 2177872 2388078 2450106 2701664 2729232 2786091 2858457 2994574 3039372 3065832 3184104 3266808 3473568 3714788 3811276 4052496 4087776 4245472 4355744 4491861 4776156 4900212 5458464 5572182 5716914 5989148 6078744 6131664 6368208 6533616 6669733 7429576 7622552 8104992 8358273 8575371 8983722 9552312 9800424 10481009 11144364 11433828 11978296 12157488 12263328 12736416 13067232 13339466 13475583 14859152 15245104 16716546 17150742 17967444 19104624 19600848 20009199 20962018 22288728 22867656 23956592 24314976 26678932 26951166 29718304 30490208 31443027 33433092 34301484 35934888 38209248 39201696 40018398 41924036 44577456 45735312 47913184 53357864 53902332 60027597 62886054 66866184 68602968 71869776 73367063 80036796 83848072 89154912 91470624 94329081 106715728 107804664 120055194 125772108 133732368 137205936 143739552 146734126 160073592 167696144 188658162 213431456 215609328 220101189 240110388 251544216 267464736 274411872 293468252 320147184 335392288 377316324 431218656 440202378 480220776 503088432 586936504 640294368 660303567 754632648 880404756 960441552 1006176864 1173873008 1320607134 1509265296 1760809512 1920883104 2347746016 2641214268 3018530592 3521619024 5282428536 7043238048 10564857072 21129714144
• Sum of all divisors σ(n): 77262232320
• Sum of proper divisors (its aliquot sum) s(n): 56132518176
• 21129714144 is an abundant number, because the sum of its proper divisors (56132518176) is greater than itself. Its abundance is 35002804032

Bases of 21129714144

• Binary: 10011101011011011011101100111100000₂
• Hexadecimal: 0x4EB6DD9E0
• Base-36: 9PG33S0

Squares and roots of 21129714144

• 21129714144 squared (21129714144²) is 446464819807153652736
• 21129714144 cubed (21129714144³) is 9433674017877625888597123497984
• The square root of 21129714144 is 145360.6347812227
• The cube root of 21129714144 is 2764.5930202685

Scales and comparisons

• 21,129,714,144 seconds is equal to 671 years, 44 weeks, 4 days, 21 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,129,714,144 would take you about one thousand, three hundred forty-three 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 21129714144 cubic inches would be around 230.4 feet tall.

Recreational maths with 21129714144

• 21129714144 backwards is 44141792112
• 21129714144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21129714144's digits is 36
• More coming soon!