21038143392

Names of 21038143392

• Cardinal: 21038143392 can be written as Twenty-one billion, thirty-eight million, one hundred forty-three thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 2.1038143392 × 10¹⁰

Factors of 21038143392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7482

Divisors of 21038143392

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 499 504 672 756 864 998 1008 1497 1512 1996 2016 2994 3024 3493 3992 4491 5988 6048 6971 6986 7984 8982 10479 11976 13473 13942 13972 15968 17964 20913 20958 23952 26946 27884 27944 31437 35928 41826 41916 47904 48797 53892 55768 55888 62739 62874 71856 83652 83832 94311 97594 107784 111536 111776 125478 125748 143712 146391 167304 167664 188217 188622 195188 215568 223072 250956 251496 292782 334608 335328 376434 377244 390376 431136 439173 501912 502992 585564 669216 752868 754488 780752 878346 1003824 1005984 1171128 1317519 1505736 1508976 1561504 1756692 2007648 2342256 2635038 3011472 3017952 3478529 3513384 4684512 5270076 6022944 6957058 7026768 10435587 10540152 13914116 14053536 20871174 21080304 24349703 27828232 31306761 41742348 42160608 48699406 55656464 62613522 73049109 83484696 93920283 97398812 111312928 125227044 146098218 166969392 187840566 194797624 219147327 250454088 292196436 333938784 375681132 389595248 438294654 500908176 584392872 657441981 751362264 779190496 876589308 1001816352 1168785744 1314883962 1502724528 1753178616 2337571488 2629767924 3005449056 3506357232 5259535848 7012714464 10519071696 21038143392
• Sum of all divisors σ(n): 70277760000
• Sum of proper divisors (its aliquot sum) s(n): 49239616608
• 21038143392 is an abundant number, because the sum of its proper divisors (49239616608) is greater than itself. Its abundance is 28201473216

Bases of 21038143392

• Binary: 10011100101111110001001011110100000₂
• Hexadecimal: 0x4E5F897A0
• Base-36: 9NXKFC0

Squares and roots of 21038143392

• 21038143392 squared (21038143392²) is 442603477382353265664
• 21038143392 cubed (21038143392³) is 9311555422967776813438702092288
• The square root of 21038143392 is 145045.3149605325
• The cube root of 21038143392 is 2760.5935585419

Scales and comparisons

• 21,038,143,392 seconds is equal to 668 years, 49 weeks, 2 days, 43 minutes, 12 seconds.
• To count from 1 to 21,038,143,392 would take you about one thousand, three hundred thirty-seven 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 21038143392 cubic inches would be around 230 feet tall.

Recreational maths with 21038143392

• 21038143392 backwards is 29334183012
• 21038143392 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21038143392's digits is 36
• More coming soon!