21198507008

Names of 21198507008

• Cardinal: 21198507008 can be written as Twenty-one billion, one hundred ninety-eight million, five hundred seven thousand and eight.

Scientific notation

• Scientific notation: 2.1198507008 × 10¹⁰

Factors of 21198507008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 246

Divisors of 21198507008

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 47 49 56 64 89 94 98 101 112 128 178 188 196 202 224 256 329 356 376 392 404 448 512 623 658 707 712 752 784 808 896 1024 1246 1316 1414 1424 1504 1568 1616 1792 2303 2492 2632 2828 2848 3008 3136 3232 3584 4183 4361 4606 4747 4949 4984 5264 5656 5696 6016 6272 6464 7168 8366 8722 8989 9212 9494 9898 9968 10528 11312 11392 12032 12544 12928 16732 17444 17978 18424 18988 19796 19936 21056 22624 22784 24064 25088 25856 29281 33229 33464 34888 35956 36848 37976 39592 39872 42112 45248 45568 48128 50176 51712 58562 62923 66458 66928 69776 71912 73696 75952 79184 79744 84224 90496 91136 103424 117124 125846 132916 133856 139552 143824 147392 151904 158368 159488 168448 180992 204967 232603 234248 251692 265832 267712 279104 287648 294784 303808 316736 318976 336896 361984 409934 422483 440461 465206 468496 503384 531664 535424 558208 575296 589568 607616 633472 637952 723968 819868 844966 880922 930412 936992 1006768 1063328 1070848 1116416 1150592 1179136 1215232 1266944 1639736 1689932 1761844 1860824 1873984 2013536 2126656 2141696 2232832 2301184 2358272 2430464 2533888 2957381 3279472 3379864 3523688 3721648 3747968 4027072 4253312 4283392 4465664 4602368 4860928 5067776 5914762 6558944 6759728 7047376 7443296 7495936 8054144 8506624 9204736 11829524 13117888 13519456 14094752 14886592 14991872 16108288 17013248 20701667 23659048 26235776 27038912 28189504 29773184 29983744 32216576 34026496 41403334 47318096 52471552 54077824 56379008 59546368 64433152 82806668 94636192 104943104 108155648 112758016 119092736 165613336 189272384 209886208 216311296 225516032 238185472 331226672 378544768 432622592 451032064 662453344 757089536 1324906688 1514179072 2649813376 3028358144 5299626752 10599253504 21198507008
• Sum of all divisors σ(n): 51413434560
• Sum of proper divisors (its aliquot sum) s(n): 30214927552
• 21198507008 is an abundant number, because the sum of its proper divisors (30214927552) is greater than itself. Its abundance is 9016420544

Bases of 21198507008

• Binary: 10011101111100001111000110000000000₂
• Hexadecimal: 0x4EF878C00
• Base-36: 9QL1KOW

Squares and roots of 21198507008

• 21198507008 squared (21198507008²) is 449376699368225112064
• 21198507008 cubed (21198507008³) is 9526115110789229210610289344512
• The square root of 21198507008 is 145597.0707397645
• The cube root of 21198507008 is 2767.5900358457

Scales and comparisons

• 21,198,507,008 seconds is equal to 674 years, 2 weeks, 3 days, 2 hours, 10 minutes, 8 seconds.
• To count from 1 to 21,198,507,008 would take you about one thousand, three hundred forty-eight 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 21198507008 cubic inches would be around 230.6 feet tall.

Recreational maths with 21198507008

• 21198507008 backwards is 80070589112
• The number of decimal digits it has is: 11
• The sum of 21198507008's digits is 41
• More coming soon!