12538646848

Names of 12538646848

• Cardinal: 12538646848 can be written as Twelve billion, five hundred thirty-eight million, six hundred forty-six thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 1.2538646848 × 10¹⁰

Factors of 12538646848

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1152

Divisors of 12538646848

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 182 196 208 224 364 392 416 448 457 637 673 728 784 832 914 1274 1346 1456 1568 1828 2548 2692 2912 3136 3199 3656 4711 5096 5384 5824 5941 6398 7312 8749 9422 10192 10768 11882 12796 14624 17498 18844 20384 21536 22393 23764 25592 29248 32977 34996 37688 40768 41587 43072 44786 47528 51184 61243 65954 69992 75376 83174 89572 95056 102368 122486 131908 139984 150752 166348 179144 190112 204736 244972 263816 279968 291109 301504 307561 332696 358288 380224 428701 489944 527632 559936 582218 615122 665392 716576 857402 979888 1055264 1164436 1230244 1330784 1433152 1714804 1959776 2110528 2152927 2328872 2460488 2661568 3429608 3919552 3998293 4305854 4657744 4920976 6859216 7996586 8611708 9315488 9841952 13718432 15070489 15993172 17223416 18630976 19683904 27436864 27988051 30140978 31986344 34446832 55976102 60281956 63972688 68893664 111952204 120563912 127945376 137787328 195916357 223904408 241127824 255890752 391832714 447808816 482255648 783665428 895617632 964511296 1567330856 1791235264 3134661712 6269323424 12538646848
• Sum of all divisors σ(n): 31284699432
• Sum of proper divisors (its aliquot sum) s(n): 18746052584
• 12538646848 is an abundant number, because the sum of its proper divisors (18746052584) is greater than itself. Its abundance is 6207405736

Bases of 12538646848

• Binary: 1011101011010111001001000101000000₂
• Hexadecimal: 0x2EB5C9140
• Base-36: 5RD6PTS

Squares and roots of 12538646848

• 12538646848 squared (12538646848²) is 157217664778860335104
• 12538646848 cubed (12538646848³) is 1971296776929377757783993352192
• The square root of 12538646848 is 111976.0994498379
• The cube root of 12538646848 is 2323.1837264893

Scales and comparisons

• 12,538,646,848 seconds is equal to 398 years, 35 weeks, 6 days, 5 hours, 27 minutes, 28 seconds.
• To count from 1 to 12,538,646,848 would take you about seven hundred ninety-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 12538646848 cubic inches would be around 193.6 feet tall.

Recreational maths with 12538646848

• 12538646848 backwards is 84864683521
• The number of decimal digits it has is: 11
• The sum of 12538646848's digits is 55
• More coming soon!