12509307840

Names of 12509307840

• Cardinal: 12509307840 can be written as Twelve billion, five hundred nine million, three hundred seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.250930784 × 10¹⁰

Factors of 12509307840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 83164

Divisors of 12509307840

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 157 160 192 240 314 320 471 480 628 785 942 960 1256 1570 1884 2355 2512 3140 3768 4710 5024 6280 7536 9420 10048 12560 15072 18840 25120 30144 37680 50240 75360 82997 150720 165994 248991 331988 414985 497982 663976 829970 995964 1244955 1327952 1659940 1991928 2489910 2655904 3319880 3983856 4979820 5311808 6639760 7967712 9959640 13030529 13279520 15935424 19919280 26061058 26559040 39091587 39838560 52122116 65152645 78183174 79677120 104244232 130305290 156366348 195457935 208488464 260610580 312732696 390915870 416976928 521221160 625465392 781831740 833953856 1042442320 1250930784 1563663480 2084884640 2501861568 3127326960 4169769280 6254653920 12509307840
• Sum of all divisors σ(n): 39970508832
• Sum of proper divisors (its aliquot sum) s(n): 27461200992
• 12509307840 is an abundant number, because the sum of its proper divisors (27461200992) is greater than itself. Its abundance is 14951893152

Bases of 12509307840

• Binary: 1011101001100111001110001111000000₂
• Hexadecimal: 0x2E99CE3C0
• Base-36: 5QVPVPC

Squares and roots of 12509307840

• 12509307840 squared (12509307840²) is 156482782635885465600
• 12509307840 cubed (12509307840³) is 1957491299652097920172130304000
• The square root of 12509307840 is 111845.0170548513
• The cube root of 12509307840 is 2321.3703161027

Scales and comparisons

• 12,509,307,840 seconds is equal to 397 years, 39 weeks, 2 days, 15 hours, 44 minutes.
• To count from 1 to 12,509,307,840 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 12509307840 cubic inches would be around 193.4 feet tall.

Recreational maths with 12509307840

• 12509307840 backwards is 04870390521
• The number of decimal digits it has is: 11
• The sum of 12509307840's digits is 39
• More coming soon!