13418857728

Names of 13418857728

• Cardinal: 13418857728 can be written as Thirteen billion, four hundred eighteen million, eight hundred fifty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3418857728 × 10¹⁰

Factors of 13418857728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1140

Divisors of 13418857728

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 229 232 256 261 288 348 384 458 464 522 576 687 696 768 877 916 928 1044 1152 1374 1392 1754 1832 1856 2061 2088 2304 2631 2748 2784 3508 3664 3712 4122 4176 5262 5496 5568 6641 7016 7328 7424 7893 8244 8352 10524 10992 11136 13282 14032 14656 15786 16488 16704 19923 21048 21984 22272 25433 26564 28064 29312 31572 32976 33408 39846 42096 43968 50866 53128 56128 58624 59769 63144 65952 66816 76299 79692 84192 87936 101732 106256 112256 119538 126288 131904 152598 159384 168384 175872 200833 203464 212512 224512 228897 239076 252576 263808 305196 318768 336768 401666 406928 425024 457794 478152 505152 527616 602499 610392 637536 673536 803332 813856 850048 915588 956304 1010304 1204998 1220784 1275072 1606664 1627712 1700096 1807497 1831176 1912608 2020608 2409996 2441568 2550144 3213328 3255424 3614994 3662352 3825216 4819992 4883136 5100288 5824157 6426656 6510848 7229988 7324704 7650432 9639984 9766272 11648314 12853312 14459976 14649408 15300864 17472471 19279968 19532544 23296628 25706624 28919952 29298816 34944942 38559936 46593256 51413248 52417413 57839904 58597632 69889884 77119872 93186512 104834826 115679808 139779768 154239744 186373024 209669652 231359616 279559536 372746048 419339304 462719232 559119072 745492096 838678608 1118238144 1490984192 1677357216 2236476288 3354714432 4472952576 6709428864 13418857728
• Sum of all divisors σ(n): 40244622600
• Sum of proper divisors (its aliquot sum) s(n): 26825764872
• 13418857728 is an abundant number, because the sum of its proper divisors (26825764872) is greater than itself. Its abundance is 13406907144

Bases of 13418857728

• Binary: 1100011111110100111000010100000000₂
• Hexadecimal: 0x31FD38500
• Base-36: 65X8OW0

Squares and roots of 13418857728

• 13418857728 squared (13418857728²) is 180065742724305321984
• 13418857728 cubed (13418857728³) is 2416276583304104243336526692352
• The square root of 13418857728 is 115839.7933699815
• The cube root of 13418857728 is 2376.3214203131

Scales and comparisons

• 13,418,857,728 seconds is equal to 426 years, 35 weeks, 1 day, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 13,418,857,728 would take you about eight hundred fifty-three 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 13418857728 cubic inches would be around 198 feet tall.

Recreational maths with 13418857728

• 13418857728 backwards is 82775881431
• The number of decimal digits it has is: 11
• The sum of 13418857728's digits is 54
• More coming soon!