12728514816

Names of 12728514816

• Cardinal: 12728514816 can be written as Twelve billion, seven hundred twenty-eight million, five hundred fourteen thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.2728514816 × 10¹⁰

Factors of 12728514816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 6603

Divisors of 12728514816

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 256 261 288 348 384 464 522 576 696 768 841 928 1044 1152 1392 1682 1856 2088 2304 2523 2784 3364 3712 4176 5046 5568 6569 6728 7424 7569 8352 10092 11136 13138 13456 15138 16704 19707 20184 22272 26276 26912 30276 33408 39414 40368 52552 53824 59121 60552 66816 78828 80736 105104 107648 118242 121104 157656 161472 190501 210208 215296 236484 242208 315312 322944 381002 420416 472968 484416 571503 630624 645888 762004 840832 945936 968832 1143006 1261248 1524008 1681664 1714509 1891872 1937664 2286012 2522496 3048016 3429018 3783744 4572024 5044992 5524529 6096032 6858036 7567488 9144048 11049058 12192064 13716072 15134976 16573587 18288096 22098116 24384128 27432144 33147174 36576192 44196232 48768256 49720761 54864288 66294348 73152384 88392464 99441522 109728576 132588696 146304768 176784928 198883044 219457152 265177392 353569856 397766088 438914304 530354784 707139712 795532176 1060709568 1414279424 1591064352 2121419136 3182128704 4242838272 6364257408 12728514816
• Sum of all divisors σ(n): 38014368210
• Sum of proper divisors (its aliquot sum) s(n): 25285853394
• 12728514816 is an abundant number, because the sum of its proper divisors (25285853394) is greater than itself. Its abundance is 12557338578

Bases of 12728514816

• Binary: 1011110110101011011011100100000000₂
• Hexadecimal: 0x2F6ADB900
• Base-36: 5UI88W0

Squares and roots of 12728514816

• 12728514816 squared (12728514816²) is 162015089421131513856
• 12728514816 cubed (12728514816³) is 2062211466112437337600605290496
• The square root of 12728514816 is 112820.7197991575
• The cube root of 12728514816 is 2334.8513931655

Scales and comparisons

• 12,728,514,816 seconds is equal to 404 years, 37 weeks, 5 days, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 12,728,514,816 would take you about eight hundred nine 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 12728514816 cubic inches would be around 194.6 feet tall.

Recreational maths with 12728514816

• 12728514816 backwards is 61841582721
• The number of decimal digits it has is: 11
• The sum of 12728514816's digits is 45
• More coming soon!