12387928272

Names of 12387928272

• Cardinal: 12387928272 can be written as Twelve billion, three hundred eighty-seven million, nine hundred twenty-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.2387928272 × 10¹⁰

Factors of 12387928272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 26406

Divisors of 12387928272

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 41 48 82 123 164 241 246 328 482 492 656 723 964 984 1446 1928 1968 2892 3856 5784 9881 11568 19762 26119 29643 39524 52238 59286 78357 79048 104476 118572 156714 158096 208952 237144 313428 417904 474288 626856 1070879 1253712 2141758 3212637 4283516 6294679 6425274 8567032 12589358 12850548 17134064 18884037 25178716 25701096 37768074 50357432 51402192 75536148 100714864 151072296 258081839 302144592 516163678 774245517 1032327356 1548491034 2064654712 3096982068 4129309424 6193964136 12387928272
• Sum of all divisors σ(n): 32919976320
• Sum of proper divisors (its aliquot sum) s(n): 20532048048
• 12387928272 is an abundant number, because the sum of its proper divisors (20532048048) is greater than itself. Its abundance is 8144119776

Bases of 12387928272

• Binary: 1011100010011000001100100011010000₂
• Hexadecimal: 0x2E260C8D0
• Base-36: 5OVGAMO

Squares and roots of 12387928272

• 12387928272 squared (12387928272²) is 153460766872216905984
• 12387928272 cubed (12387928272³) is 1901060972579136820955559579648
• The square root of 12387928272 is 111301.0703991655
• The cube root of 12387928272 is 2313.8377060975

Scales and comparisons

• 12,387,928,272 seconds is equal to 393 years, 46 weeks, 4 days, 19 hours, 11 minutes, 12 seconds.
• To count from 1 to 12,387,928,272 would take you about seven hundred eighty-seven 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 12387928272 cubic inches would be around 192.8 feet tall.

Recreational maths with 12387928272

• 12387928272 backwards is 27282978321
• The number of decimal digits it has is: 11
• The sum of 12387928272's digits is 51
• More coming soon!