21500842496

Names of 21500842496

• Cardinal: 21500842496 can be written as Twenty-one billion, five hundred million, eight hundred forty-two thousand, four hundred ninety-six.

Scientific notation

• Scientific notation: 2.1500842496 × 10¹⁰

Factors of 21500842496

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 841

Divisors of 21500842496

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 191 196 224 256 343 382 392 448 512 641 686 764 784 896 1282 1337 1372 1528 1568 1792 2564 2674 2744 3056 3136 3584 4487 5128 5348 5488 6112 6272 8974 9359 10256 10696 10976 12224 12544 17948 18718 20512 21392 21952 24448 25088 31409 35896 37436 41024 42784 43904 48896 62818 65513 71792 74872 82048 85568 87808 97792 122431 125636 131026 143584 149744 164096 171136 175616 219863 244862 251272 262052 287168 299488 328192 342272 439726 489724 502544 524104 574336 598976 684544 857017 879452 979448 1005088 1048208 1148672 1197952 1714034 1758904 1958896 2010176 2096416 2297344 2395904 3428068 3517808 3917792 4020352 4192832 4791808 5999119 6856136 7035616 7835584 8040704 8385664 11998238 13712272 14071232 15671168 16081408 16771328 23996476 27424544 28142464 31342336 33542656 41993833 47992952 54849088 56284928 62684672 83987666 95985904 109698176 112569856 167975332 191971808 219396352 335950664 383943616 438792704 671901328 767887232 1343802656 1535774464 2687605312 3071548928 5375210624 10750421248 21500842496
• Sum of all divisors σ(n): 50439628800
• Sum of proper divisors (its aliquot sum) s(n): 28938786304
• 21500842496 is an abundant number, because the sum of its proper divisors (28938786304) is greater than itself. Its abundance is 7437943808

Bases of 21500842496

• Binary: 10100000001100011001101001000000000₂
• Hexadecimal: 0x5018CD200
• Base-36: 9VL1O8W

Squares and roots of 21500842496

• 21500842496 squared (21500842496²) is 462286228037799510016
• 21500842496 cubed (21500842496³) is 9939543377110666399279990439936
• The square root of 21500842496 is 146631.6558455233
• The cube root of 21500842496 is 2780.6852034929

Scales and comparisons

• 21,500,842,496 seconds is equal to 683 years, 34 weeks, 2 days, 8 hours, 14 minutes, 56 seconds.
• To count from 1 to 21,500,842,496 would take you about one thousand, three hundred sixty-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 21500842496 cubic inches would be around 231.7 feet tall.

Recreational maths with 21500842496

• 21500842496 backwards is 69424800512
• The number of decimal digits it has is: 11
• The sum of 21500842496's digits is 41
• More coming soon!