12456345664

Names of 12456345664

• Cardinal: 12456345664 can be written as Twelve billion, four hundred fifty-six million, three hundred forty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.2456345664 × 10¹⁰

Factors of 12456345664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2002

Divisors of 12456345664

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 1993 3136 3986 7972 13951 15944 27902 31888 55804 63776 97657 111608 127552 195314 223216 390628 446432 781256 892864 1562512 3125024 3972049 6250048 7944098 15888196 27804343 31776392 55608686 63552784 111217372 127105568 194630401 222434744 254211136 389260802 444869488 778521604 889738976 1557043208 1779477952 3114086416 6228172832 12456345664
• Sum of all divisors σ(n): 28768097277
• Sum of proper divisors (its aliquot sum) s(n): 16311751613
• 12456345664 is an abundant number, because the sum of its proper divisors (16311751613) is greater than itself. Its abundance is 3855405949

Bases of 12456345664

• Binary: 1011100110011101001100000001000000₂
• Hexadecimal: 0x2E674C040
• Base-36: 5Q06PTS

Squares and roots of 12456345664

• 12456345664 squared (12456345664²) is 155160547301051600896
• 12456345664 cubed (12456345664³) is 1932733410597321011461148114944
• 12456345664 is a perfect square number. Its square root is 111608
• The cube root of 12456345664 is 2318.0895925835

Scales and comparisons

• 12,456,345,664 seconds is equal to 396 years, 3 weeks, 5 days, 16 hours, 1 minute, 4 seconds.
• To count from 1 to 12,456,345,664 would take you about seven hundred ninety-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 12456345664 cubic inches would be around 193.2 feet tall.

Recreational maths with 12456345664

• 12456345664 backwards is 46654365421
• The number of decimal digits it has is: 11
• The sum of 12456345664's digits is 46
• More coming soon!