21393964807000

Names of 21393964807000

• Cardinal: 21393964807000 can be written as Twenty-one trillion, three hundred ninety-three billion, nine hundred sixty-four million, eight hundred seven thousand.

Scientific notation

• Scientific notation: 2.1393964807 × 10¹³

Factors of 21393964807000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 324

Divisors of 21393964807000

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 20 25 31 40 50 59 62 100 118 124 125 155 200 227 236 248 250 295 310 454 472 500 590 620 775 908 1000 1135 1180 1240 1475 1550 1816 1829 2270 2360 2950 3100 3658 3875 4540 5675 5900 6200 7037 7316 7375 7750 9080 9145 11350 11800 13393 14074 14632 14750 15500 18290 22700 26786 28148 28375 29500 31000 35185 36580 45400 45725 51529 53572 56296 56750 59000 66965 70370 73160 91450 103058 107144 113500 133930 140740 175925 182900 206116 227000 228625 257645 267860 281480 334825 351850 365800 412232 415183 457250 515290 535720 669650 703700 830366 879625 914500 1030580 1288225 1339300 1407400 1597399 1660732 1674125 1759250 1829000 2061160 2075915 2576450 2678600 3040211 3194798 3321464 3348250 3518500 4151830 5152900 6080422 6389596 6441125 6696500 7037000 7986995 8303660 10305800 10379575 11697083 12160844 12779192 12882250 13393000 15201055 15973990 16607320 20759150 23394166 24321688 25764500 30402110 31947980 39934975 41518300 46788332 51529000 51897875 58485415 60804220 63895960 76005275 79869950 83036600 93576664 94246541 103795750 116970830 121608440 152010550 159739900 188493082 199674875 207591500 233941660 292427075 304021100 319479800 362609573 376986164 380026375 399349750 415183000 467883320 471232705 584854150 608042200 690127897 725219146 753972328 760052750 798699500 942465410 1169708300 1380255794 1450438292 1462135375 1520105500 1597399000 1813047865 1884930820 2339416600 2356163525 2760511588 2900876584 2924270750 3040211000 3450639485 3626095730 3769861640 4712327050 5521023176 5848541500 6901278970 7252191460 9065239325 9424654100 11697083000 11780817625 13802557940 14504382920 17253197425 18130478650 18849308200 21393964807 23561635250 27605115880 34506394850 36260957300 42787929614 45326196625 47123270500 69012789700 72521914600 85575859228 86265987125 90652393250 94246541000 106969824035 138025579400 171151718456 172531974250 181304786500 213939648070 345063948500 362609573000 427879296140 534849120175 690127897000 855758592280 1069698240350 2139396480700 2674245600875 4278792961400 5348491201750 10696982403500 21393964807000
• Sum of all divisors σ(n): 52785188352000
• Sum of proper divisors (its aliquot sum) s(n): 31391223545000
• 21393964807000 is an abundant number, because the sum of its proper divisors (31391223545000) is greater than itself. Its abundance is 9997258738000

Bases of 21393964807000

• Binary: 100110111010100101011101011000011001101011000₂
• Hexadecimal: 0x13752BAC3358
• Base-36: 7L0929QAG

Squares and roots of 21393964807000

• 21393964807000 squared (21393964807000²) is 457701730163154547249000000
• 21393964807000 cubed (21393964807000³) is 9792054707213538751947124665943000000000
• The square root of 21393964807000 is 4625361.0461238591
• The cube root of 21393964807000 is 27760.7008188829

Scales and comparisons

• 21,393,964,807,000 seconds is equal to 680,261 years, 47 weeks, 9 hours, 56 minutes, 40 seconds.
• To count from 1 to 21,393,964,807,000 would take you about one million, seven hundred thousand, six hundred fifty-four 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 21393964807000 cubic inches would be around 2313.4 feet tall.

Recreational maths with 21393964807000

• 21393964807000 backwards is 00070846939312
• The number of decimal digits it has is: 14
• The sum of 21393964807000's digits is 52
• More coming soon!