12456038720

Names of 12456038720

• Cardinal: 12456038720 can be written as Twelve billion, four hundred fifty-six million, thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.245603872 × 10¹⁰

Factors of 12456038720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 391

Divisors of 12456038720

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 136 160 170 272 289 320 340 367 544 578 680 734 1088 1156 1360 1445 1468 1835 2312 2720 2890 2936 3670 4624 5440 5780 5872 6239 7340 9248 11560 11744 12478 14680 18496 23120 23488 24956 29360 31195 46240 49912 58720 62390 92480 99824 106063 117440 124780 134689 199648 212126 249560 269378 399296 424252 499120 530315 538756 673445 848504 998240 1060630 1077512 1346890 1697008 1996480 2121260 2155024 2289713 2693780 3394016 4242520 4310048 4579426 5387560 6788032 8485040 8620096 9158852 10775120 11448565 16970080 18317704 21550240 22897130 33940160 36635408 38925121 43100480 45794260 73270816 77850242 91588520 146541632 155700484 183177040 194625605 311400968 366354080 389251210 622801936 732708160 778502420 1245603872 1557004840 2491207744 3114009680 6228019360 12456038720
• Sum of all divisors σ(n): 31594424238
• Sum of proper divisors (its aliquot sum) s(n): 19138385518
• 12456038720 is an abundant number, because the sum of its proper divisors (19138385518) is greater than itself. Its abundance is 6682346798

Bases of 12456038720

• Binary: 1011100110011100000001000101000000₂
• Hexadecimal: 0x2E6701140
• Base-36: 5Q004ZK

Squares and roots of 12456038720

• 12456038720 squared (12456038720²) is 155152900594139238400
• 12456038720 cubed (12456038720³) is 1932590537320909358581710848000
• The square root of 12456038720 is 111606.6248929695
• The cube root of 12456038720 is 2318.0705519661

Scales and comparisons

• 12,456,038,720 seconds is equal to 396 years, 3 weeks, 2 days, 2 hours, 45 minutes, 20 seconds.
• To count from 1 to 12,456,038,720 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 12456038720 cubic inches would be around 193.2 feet tall.

Recreational maths with 12456038720

• 12456038720 backwards is 02783065421
• The number of decimal digits it has is: 11
• The sum of 12456038720's digits is 38
• More coming soon!