12638747184

Names of 12638747184

• Cardinal: 12638747184 can be written as Twelve billion, six hundred thirty-eight million, seven hundred forty-seven thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 1.2638747184 × 10¹⁰

Factors of 12638747184

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1978

Divisors of 12638747184

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 53 56 84 98 106 112 147 159 168 196 212 294 318 336 371 392 424 588 636 742 784 848 1113 1176 1272 1484 1913 2226 2352 2544 2597 2809 2968 3826 4452 5194 5618 5739 5936 7652 7791 8427 8904 10388 11236 11478 13391 15304 15582 16854 17808 19663 20776 22472 22956 26782 30608 31164 33708 39326 40173 41552 44944 45912 53564 58989 62328 67416 78652 80346 91824 93737 101389 107128 117978 124656 134832 137641 157304 160692 187474 202778 214256 235956 275282 281211 304167 314608 321384 374948 405556 412923 471912 550564 562422 608334 642768 709723 749896 811112 825846 943824 1101128 1124844 1216668 1419446 1499792 1622224 1651692 2129169 2202256 2249688 2433336 2838892 3303384 4258338 4499376 4866672 4968061 5373617 5677784 6606768 8516676 9936122 10747234 11355568 14904183 16120851 17033352 19872244 21494468 29808366 32241702 34066704 37615319 39744488 42988936 59616732 64483404 75230638 79488976 85977872 112845957 119233464 128966808 150461276 225691914 238466928 257933616 263307233 300922552 451383828 526614466 601845104 789921699 902767656 1053228932 1579843398 1805535312 2106457864 3159686796 4212915728 6319373592 12638747184
• Sum of all divisors σ(n): 38731099176
• Sum of proper divisors (its aliquot sum) s(n): 26092351992
• 12638747184 is an abundant number, because the sum of its proper divisors (26092351992) is greater than itself. Its abundance is 13453604808

Bases of 12638747184

• Binary: 1011110001010100111111101000110000₂
• Hexadecimal: 0x2F153FA30
• Base-36: 5T0S7QO

Squares and roots of 12638747184

• 12638747184 squared (12638747184²) is 159737930381067929856
• 12638747184 cubed (12638747184³) is 2018887317781710345380229525504
• The square root of 12638747184 is 112422.1827932549
• The cube root of 12638747184 is 2329.3496059619

Scales and comparisons

• 12,638,747,184 seconds is equal to 401 years, 45 weeks, 2 days, 19 hours, 6 minutes, 24 seconds.
• To count from 1 to 12,638,747,184 would take you about eight hundred three 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 12638747184 cubic inches would be around 194.1 feet tall.

Recreational maths with 12638747184

• 12638747184 backwards is 48174783621
• The number of decimal digits it has is: 11
• The sum of 12638747184's digits is 51
• More coming soon!