21197106108

Names of 21197106108

• Cardinal: 21197106108 can be written as Twenty-one billion, one hundred ninety-seven million, one hundred six thousand, one hundred eight.

Scientific notation

• Scientific notation: 2.1197106108 × 10¹⁰

Factors of 21197106108

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 952

Divisors of 21197106108

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 41 43 54 81 82 86 108 123 129 162 164 172 246 258 324 369 387 492 516 738 774 863 1107 1161 1476 1548 1726 1763 1849 2214 2322 2589 3321 3452 3483 3526 3698 4428 4644 5178 5289 5547 6642 6966 7052 7396 7767 10356 10578 11094 13284 13932 15534 15867 16641 21156 22188 23301 31068 31734 33282 35383 37109 46602 47601 49923 63468 66564 69903 70766 74218 75809 93204 95202 99846 106149 111327 139806 141532 142803 148436 149769 151618 190404 199692 212298 222654 227427 279612 285606 299538 303236 318447 333981 424596 445308 454854 571212 599076 636894 667962 682281 909708 955341 1001943 1273788 1335924 1364562 1521469 1595687 1910682 2003886 2046843 2729124 2866023 3005829 3042938 3191374 3821364 4007772 4093686 4564407 4787061 5732046 6011658 6085876 6140529 6382748 8187372 9128814 9574122 11464092 12023316 12281058 13693221 14361183 18257628 19148244 24562116 27386442 28722366 41079663 43083549 54772884 57444732 65423167 82159326 86167098 123238989 129250647 130846334 164318652 172334196 196269501 246477978 258501294 261692668 392539002 492955956 517002588 588808503 785078004 1177617006 1766425509 2355234012 3532851018 5299276527 7065702036 10598553054 21197106108
• Sum of all divisors σ(n): 58183126848
• Sum of proper divisors (its aliquot sum) s(n): 36986020740
• 21197106108 is an abundant number, because the sum of its proper divisors (36986020740) is greater than itself. Its abundance is 15788914632

Bases of 21197106108

• Binary: 10011101111011100100010101110111100₂
• Hexadecimal: 0x4EF722BBC
• Base-36: 9QK7JR0

Squares and roots of 21197106108

• 21197106108 squared (21197106108²) is 449317307353810907664
• 21197106108 cubed (21197106108³) is 9524226640139578507921598411712
• The square root of 21197106108 is 145592.2597805255
• The cube root of 21197106108 is 2767.5290692521

Scales and comparisons

• 21,197,106,108 seconds is equal to 674 years, 21 hours, 1 minute, 48 seconds.
• To count from 1 to 21,197,106,108 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 21197106108 cubic inches would be around 230.6 feet tall.

Recreational maths with 21197106108

• 21197106108 backwards is 80160179112
• 21197106108 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21197106108's digits is 36
• More coming soon!