13644919638

Names of 13644919638

• Cardinal: 13644919638 can be written as Thirteen billion, six hundred forty-four million, nine hundred nineteen thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3644919638 × 10¹⁰

Factors of 13644919638

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9551

Divisors of 13644919638

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 41 42 54 62 63 81 82 93 123 126 162 186 189 217 246 279 287 369 378 434 558 567 574 651 738 837 861 1107 1134 1271 1302 1674 1722 1953 2214 2511 2542 2583 3321 3813 3906 5022 5166 5859 6642 7626 7749 8897 9467 11439 11718 15498 17577 17794 18934 22878 23247 26691 28401 34317 35154 46494 53382 56802 66269 68634 80073 85203 102951 132538 160146 170406 198807 205902 240219 255609 293477 388147 397614 480438 511218 586954 596421 720657 766827 776294 880431 1164441 1192842 1441314 1533654 1760862 1789263 2054339 2328882 2641293 2717029 3493323 3578526 4108678 5282586 5367789 5434058 6163017 6986646 7923879 8151087 10479969 10735578 12032557 12326034 15847758 16302174 18489051 20959938 23771637 24065114 24453261 31439907 36097671 36978102 47543274 48906522 55467153 62879814 72195342 73359783 84227899 108293013 110934306 146719566 166401459 168455798 216586026 220079349 252683697 324879039 332802918 440158698 505367394 649758078 758051091 974637117 1516102182 1949274234 2274153273 4548306546 6822459819 13644919638
• Sum of all divisors σ(n): 36953376768
• Sum of proper divisors (its aliquot sum) s(n): 23308457130
• 13644919638 is an abundant number, because the sum of its proper divisors (23308457130) is greater than itself. Its abundance is 9663537492

Bases of 13644919638

• Binary: 1100101101010011001111001101010110₂
• Hexadecimal: 0x32D4CF356
• Base-36: 69NTZDI

Squares and roots of 13644919638

• 13644919638 squared (13644919638²) is 186183831927478051044
• 13644919638 cubed (13644919638³) is 2540463424545336650504242002072
• The square root of 13644919638 is 116811.4704898453
• The cube root of 13644919638 is 2389.5914778257

Scales and comparisons

• 13,644,919,638 seconds is equal to 433 years, 45 weeks, 7 hours, 27 minutes, 18 seconds.
• To count from 1 to 13,644,919,638 would take you about eight 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 13644919638 cubic inches would be around 199.1 feet tall.

Recreational maths with 13644919638

• 13644919638 backwards is 83691944631
• 13644919638 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13644919638's digits is 54
• More coming soon!