21473078781000

Names of 21473078781000

• Cardinal: 21473078781000 can be written as Twenty-one trillion, four hundred seventy-three billion, seventy-eight million, seven hundred eighty-one thousand.

Scientific notation

• Scientific notation: 2.1473078781 × 10¹³

Factors of 21473078781000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8450669

Divisors of 21473078781000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 25 28 30 33 35 40 42 44 50 55 56 60 66 70 75 77 84 88 100 105 110 120 121 125 132 140 150 154 165 168 175 200 210 220 231 242 250 264 275 280 300 308 330 350 363 375 385 420 440 462 484 500 525 550 600 605 616 660 700 726 750 770 825 840 847 875 924 968 1000 1050 1100 1155 1210 1320 1375 1400 1452 1500 1540 1650 1694 1750 1815 1848 1925 2100 2200 2310 2420 2541 2625 2750 2904 3000 3025 3080 3300 3388 3500 3630 3850 4125 4200 4235 4620 4840 5082 5250 5500 5775 6050 6600 6776 7000 7260 7700 8250 8470 9075 9240 9625 10164 10500 11000 11550 12100 12705 14520 15125 15400 16500 16940 18150 19250 20328 21000 21175 23100 24200 25410 28875 30250 33000 33880 36300 38500 42350 45375 46200 50820 57750 60500 63525 72600 77000 84700 90750 101640 105875 115500 121000 127050 169400 181500 211750 231000 254100 317625 363000 423500 508200 635250 847000 1270500 2541000 8450641 16901282 25351923 33802564 42253205 50703846 59154487 67605128 84506410 92957051 101407692 118308974 126759615 169012820 177463461 185914102 202815384 211266025 236617948 253519230 278871153 295772435 338025640 354926922 371828204 422532050 464785255 473235896 507038460 557742306 591544870 633798075 650699357 709853844 743656408 845064100 887317305 929570510 1014076920 1022527561 1056330125 1115484612 1183089740 1267596150 1301398714 1394355765 1419707688 1478862175 1690128200 1774634610 1859141020 1952098071 2045055122 2112660250 2230969224 2323926275 2366179480 2535192300 2602797428 2788711530 2957724350 3067582683 3168990375 3253496785 3549269220 3718282040 3904196142 4090110244 4225320500 4436586525 4647852550 5070384600 5112637805 5205594856 5577423060 5915448700 6135165366 6337980750 6506993570 6971778825 7098538440 7157692927 7394310875 7808392284 8180220488 8450641000 8873173050 9295705100 9760490355 10225275610 11154846120 11619631375 11830897400 12270330732 12675961500 13013987140 13943557650 14315385854 14788621750 15337913415 15616784568 16267483925 17746346100 18591410200 19520980710 20450551220 21473078781 22182932625 23239262750 24540661464 25351923000 25563189025 26027974280 27887115300 28630771708 29577243500 30675826830 32534967850 34858894125 35492692200 35788464635 39041961420 40901102440 42946157562 44365865250 46478525500 48802451775 51126378050 55774230600 57261543416 59154487000 61351653660 65069935700 69717788250 71576929270 76689567075 78083922840 81337419625 85892315124 88731730500 92957051000 97604903550 102252756100 107365393905 122703307320 127815945125 130139871400 139435576500 143153858540 153379134150 162674839250 171784630248 177463461000 178942323175 195209807100 204505512200 214730787810 244012258875 255631890250 278871153000 286307717080 306758268300 325349678500 357884646350 383447835375 390419614200 429461575620 488024517750 511263780500 536826969525 613516536600 650699357000 715769292700 766895670750 858923151240 894711615875 976049035500 1022527561000 1073653939050 1431538585400 1533791341500 1789423231750 1952098071000 2147307878100 2684134847625 3067582683000 3578846463500 4294615756200 5368269695250 7157692927000 10736539390500 21473078781000
• Sum of all divisors σ(n): 84160281703680
• Sum of proper divisors (its aliquot sum) s(n): 62687202922680
• 21473078781000 is an abundant number, because the sum of its proper divisors (62687202922680) is greater than itself. Its abundance is 41214124141680

Bases of 21473078781000

• Binary: 100111000011110010111001110111010010001001000₂
• Hexadecimal: 0x1387973BA448
• Base-36: 7M0LGORBC

Squares and roots of 21473078781000

• 21473078781000 squared (21473078781000²) is 461093112335032445961000000
• 21473078781000 cubed (21473078781000³) is 9901088726546634578311678253541000000000
• The square root of 21473078781000 is 4633905.3487312405
• The cube root of 21473078781000 is 27794.8780226887

Scales and comparisons

• 21,473,078,781,000 seconds is equal to 682,777 years, 25 weeks, 1 day, 9 hours, 50 minutes.
• To count from 1 to 21,473,078,781,000 would take you about one million, seven hundred six thousand, nine 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 21473078781000 cubic inches would be around 2316.2 feet tall.

Recreational maths with 21473078781000

• 21473078781000 backwards is 00018787037412
• The number of decimal digits it has is: 14
• The sum of 21473078781000's digits is 48
• More coming soon!