12938985472

Names of 12938985472

• Cardinal: 12938985472 can be written as Twelve billion, nine hundred thirty-eight million, nine hundred eighty-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.2938985472 × 10¹⁰

Factors of 12938985472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 307

Divisors of 12938985472

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 71 98 112 128 142 196 224 227 256 284 392 448 454 497 512 568 784 896 908 994 1024 1136 1568 1589 1792 1816 1988 2048 2272 3136 3178 3479 3584 3632 3976 4096 4544 6272 6356 6958 7168 7264 7952 8192 9088 11123 12544 12712 13916 14336 14528 15904 16117 16384 18176 22246 25088 25424 27832 28672 29056 31808 32234 36352 44492 50176 50848 55664 57344 58112 63616 64468 72704 88984 100352 101696 111328 112819 114688 116224 127232 128936 145408 177968 200704 203392 222656 225638 232448 254464 257872 290816 355936 401408 406784 445312 451276 464896 508928 515744 581632 711872 789733 802816 813568 890624 902552 929792 1017856 1031488 1163264 1423744 1579466 1627136 1781248 1805104 1859584 2035712 2062976 2847488 3158932 3254272 3562496 3610208 3719168 4071424 4125952 5694976 6317864 6508544 7124992 7220416 8142848 8251904 11389952 12635728 13017088 14249984 14440832 16503808 22779904 25271456 26034176 28499968 28881664 33007616 45559808 50542912 56999936 57763328 66015232 91119616 101085824 115526656 132030464 182239232 202171648 231053312 264060928 404343296 462106624 808686592 924213248 1617373184 1848426496 3234746368 6469492736 12938985472
• Sum of all divisors σ(n): 30660475104
• Sum of proper divisors (its aliquot sum) s(n): 17721489632
• 12938985472 is an abundant number, because the sum of its proper divisors (17721489632) is greater than itself. Its abundance is 4782504160

Bases of 12938985472

• Binary: 1100000011001110010100000000000000₂
• Hexadecimal: 0x303394000
• Base-36: 5XZJD34

Squares and roots of 12938985472

• 12938985472 squared (12938985472²) is 167417345044627062784
• 12938985472 cubed (12938985472³) is 2166210595293240757020207874048
• The square root of 12938985472 is 113749.6614148807
• The cube root of 12938985472 is 2347.6503130659

Scales and comparisons

• 12,938,985,472 seconds is equal to 411 years, 21 weeks, 5 days, 18 hours, 37 minutes, 52 seconds.
• To count from 1 to 12,938,985,472 would take you about eight hundred twenty-two 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 12938985472 cubic inches would be around 195.6 feet tall.

Recreational maths with 12938985472

• 12938985472 backwards is 27458983921
• The number of decimal digits it has is: 11
• The sum of 12938985472's digits is 58
• More coming soon!