12739949880

Names of 12739949880

• Cardinal: 12739949880 can be written as Twelve billion, seven hundred thirty-nine million, nine hundred forty-nine thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.273994988 × 10¹⁰

Factors of 12739949880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13409

Divisors of 12739949880

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1249 2498 3747 4996 6245 7494 8743 9992 12143 12490 14988 17486 18735 24286 24980 26229 29976 34972 36429 37470 43715 48572 49960 52458 60715 69944 72858 74940 85001 87430 97144 104916 121430 131145 145716 149880 170002 174860 182145 209832 242860 255003 262290 291432 340004 349720 364290 425005 485720 510006 524580 680008 728580 850010 1020012 1049160 1275015 1457160 1700020 2040024 2550030 3400040 5100060 10200120 15166607 30333214 45499821 60666428 75833035 90999642 106166249 121332856 151666070 181999284 212332498 227499105 303332140 318498747 363998568 424664996 454998210 530831245 606664280 636997494 849329992 909996420 1061662490 1273994988 1592493735 1819992840 2123324980 2547989976 3184987470 4246649960 6369974940 12739949880
• Sum of all divisors σ(n): 43718400000
• Sum of proper divisors (its aliquot sum) s(n): 30978450120
• 12739949880 is an abundant number, because the sum of its proper divisors (30978450120) is greater than itself. Its abundance is 18238500240

Bases of 12739949880

• Binary: 1011110111010111000011010100111000₂
• Hexadecimal: 0x2F75C3538
• Base-36: 5UP1C8O

Squares and roots of 12739949880

• 12739949880 squared (12739949880²) is 162306322944912014400
• 12739949880 cubed (12739949880³) is 2067774419525273064465838272000
• The square root of 12739949880 is 112871.3864537865
• The cube root of 12739949880 is 2335.5503797619

Scales and comparisons

• 12,739,949,880 seconds is equal to 405 years, 4 weeks, 5 days, 2 hours, 58 minutes.
• To count from 1 to 12,739,949,880 would take you about eight hundred ten 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 12739949880 cubic inches would be around 194.6 feet tall.

Recreational maths with 12739949880

• 12739949880 backwards is 08894993721
• 12739949880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12739949880's digits is 60
• More coming soon!