12508529720

Names of 12508529720

• Cardinal: 12508529720 can be written as Twelve billion, five hundred eight million, five hundred twenty-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.250852972 × 10¹⁰

Factors of 12508529720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 681

Divisors of 12508529720

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 20 40 43 86 127 172 173 215 254 331 344 346 430 508 635 662 692 860 865 1016 1270 1324 1384 1655 1720 1730 2540 2648 3310 3460 5080 5461 6620 6920 7439 10922 13240 14233 14878 21844 21971 27305 28466 29756 37195 42037 43688 43942 54610 56932 57263 59512 71165 74390 84074 87884 109220 109855 113864 114526 142330 148780 168148 175768 210185 218440 219710 229052 284660 286315 297560 336296 420370 439420 458104 569320 572630 840740 878840 944753 1145260 1681480 1807591 1889506 2290520 2462309 3615182 3779012 4723765 4924618 7230364 7272401 7558024 9037955 9447530 9849236 12311545 14460728 14544802 18075910 18895060 19698472 24623090 29089604 36151820 36362005 37790120 49246180 58179208 72303640 72724010 98492360 145448020 290896040 312713243 625426486 1250852972 1563566215 2501705944 3127132430 6254264860 12508529720
• Sum of all divisors σ(n): 29281443840
• Sum of proper divisors (its aliquot sum) s(n): 16772914120
• 12508529720 is an abundant number, because the sum of its proper divisors (16772914120) is greater than itself. Its abundance is 4264384400

Bases of 12508529720

• Binary: 1011101001100100010000010000111000₂
• Hexadecimal: 0x2E9910438
• Base-36: 5QV97AW

Squares and roots of 12508529720

• 12508529720 squared (12508529720²) is 156463315756123278400
• 12508529720 cubed (12508529720³) is 1957126035225212299850234048000
• The square root of 12508529720 is 111841.5384372015
• The cube root of 12508529720 is 2321.3221828207

Scales and comparisons

• 12,508,529,720 seconds is equal to 397 years, 38 weeks, 15 hours, 35 minutes, 20 seconds.
• To count from 1 to 12,508,529,720 would take you about seven hundred ninety-five 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 12508529720 cubic inches would be around 193.4 feet tall.

Recreational maths with 12508529720

• 12508529720 backwards is 02792580521
• The number of decimal digits it has is: 11
• The sum of 12508529720's digits is 41
• More coming soon!