13287194368

Names of 13287194368

• Cardinal: 13287194368 can be written as Thirteen billion, two hundred eighty-seven million, one hundred ninety-four thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.3287194368 × 10¹⁰

Factors of 13287194368

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 398

Divisors of 13287194368

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 343 389 392 448 686 778 784 896 1372 1556 1568 1792 2723 2744 3112 3136 5446 5488 6224 6272 10892 10976 12448 12544 19061 21784 21952 24896 38122 43568 43904 49792 76244 87136 87808 99584 133427 151321 152488 174272 266854 302642 304976 348544 533708 605284 609952 697088 1059247 1067416 1210568 1219904 2118494 2134832 2421136 2439808 4236988 4269664 4842272 4879616 7414729 8473976 8539328 9684544 14829458 16947952 17078656 19369088 29658916 33895904 34157312 38738176 51903103 59317832 67791808 103806206 118635664 135583616 207612412 237271328 271167232 415224824 474542656 830449648 949085312 1660899296 1898170624 3321798592 6643597184 13287194368
• Sum of all divisors σ(n): 31009728400
• Sum of proper divisors (its aliquot sum) s(n): 17722534032
• 13287194368 is an abundant number, because the sum of its proper divisors (17722534032) is greater than itself. Its abundance is 4435339664

Bases of 13287194368

• Binary: 1100010111111110100111111100000000₂
• Hexadecimal: 0x317FA7F00
• Base-36: 63QUOSG

Squares and roots of 13287194368

• 13287194368 squared (13287194368²) is 176549534173010919424
• 13287194368 cubed (13287194368³) is 2345847976136654226173074604032
• The square root of 13287194368 is 115270.0931204621
• The cube root of 13287194368 is 2368.5238523291

Scales and comparisons

• 13,287,194,368 seconds is equal to 422 years, 25 weeks, 3 days, 23 hours, 19 minutes, 28 seconds.
• To count from 1 to 13,287,194,368 would take you about eight hundred forty-four 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 13287194368 cubic inches would be around 197.4 feet tall.

Recreational maths with 13287194368

• 13287194368 backwards is 86349178231
• The number of decimal digits it has is: 11
• The sum of 13287194368's digits is 52
• More coming soon!