13145842688

Names of 13145842688

• Cardinal: 13145842688 can be written as Thirteen billion, one hundred forty-five million, eight hundred forty-two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.3145842688 × 10¹⁰

Factors of 13145842688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 109

Divisors of 13145842688

• Number of divisors d(n): 198
• Complete list of divisors:
  1 2 4 8 11 16 17 22 32 34 44 64 68 79 88 121 128 136 158 176 187 242 256 272 316 352 374 484 512 544 632 704 748 869 968 1024 1088 1264 1343 1408 1496 1738 1936 2057 2176 2528 2686 2816 2992 3476 3872 4114 4352 5056 5372 5632 5984 6241 6952 7744 8228 8704 9559 10112 10744 11264 11968 12482 13904 14773 15488 16456 17408 19118 20224 21488 23936 24964 27808 29546 30976 32912 38236 40448 42976 47872 49928 55616 59092 61952 65824 68651 76472 80896 85952 95744 99856 106097 111232 118184 123904 131648 137302 152944 162503 171904 191488 199712 212194 222464 236368 263296 274604 305888 325006 343808 399424 424388 444928 472736 526592 549208 611776 650012 687616 755161 798848 848776 889856 945472 1053184 1098416 1167067 1223552 1300024 1375232 1510322 1597696 1697552 1890944 2106368 2196832 2334134 2447104 2600048 3020644 3195392 3395104 3781888 4393664 4668268 4894208 5200096 6041288 6390784 6790208 7563776 8787328 9336536 9788416 10400192 12082576 12837737 13580416 15127552 17574656 18673072 20800384 24165152 25675474 27160832 35149312 37346144 41600768 48330304 51350948 54321664 70298624 74692288 83201536 96660608 102701896 108643328 149384576 166403072 193321216 205403792 298769152 386642432 410807584 597538304 773284864 821615168 1195076608 1643230336 3286460672 6572921344 13145842688
• Sum of all divisors σ(n): 30976174278
• Sum of proper divisors (its aliquot sum) s(n): 17830331590
• 13145842688 is an abundant number, because the sum of its proper divisors (17830331590) is greater than itself. Its abundance is 4684488902

Bases of 13145842688

• Binary: 1100001111100011011010010000000000₂
• Hexadecimal: 0x30F8DA400
• Base-36: 61EP14W

Squares and roots of 13145842688

• 13145842688 squared (13145842688²) is 172813179977643065344
• 13145842688 cubed (13145842688³) is 2271774878399127094026328604672
• The square root of 13145842688 is 114655.3212371759
• The cube root of 13145842688 is 2360.0949573973

Scales and comparisons

• 13,145,842,688 seconds is equal to 417 years, 51 weeks, 5 days, 22 hours, 58 minutes, 8 seconds.
• To count from 1 to 13,145,842,688 would take you about eight hundred thirty-five 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 13145842688 cubic inches would be around 196.7 feet tall.

Recreational maths with 13145842688

• 13145842688 backwards is 88624854131
• The number of decimal digits it has is: 11
• The sum of 13145842688's digits is 50
• More coming soon!