12715310920

Names of 12715310920

• Cardinal: 12715310920 can be written as Twelve billion, seven hundred fifteen million, three hundred ten thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.271531092 × 10¹⁰

Factors of 12715310920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 372

Divisors of 12715310920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 31 40 52 61 62 65 67 104 122 124 130 134 155 193 244 248 260 268 305 310 335 386 403 488 520 536 610 620 670 772 793 806 871 965 1220 1240 1340 1544 1586 1612 1742 1891 1930 2015 2077 2440 2509 2680 3172 3224 3484 3782 3860 3965 4030 4087 4154 4355 5018 5983 6344 6968 7564 7720 7930 8060 8174 8308 8710 9455 10036 10385 11773 11966 12545 12931 15128 15860 16120 16348 16616 17420 18910 20072 20435 20770 23546 23932 24583 25090 25862 27001 29915 31720 32696 34840 37820 40870 41540 47092 47864 49166 50180 51724 53131 54002 58865 59830 64655 75640 77779 81740 83080 94184 98332 100360 103448 106262 108004 117730 119660 122915 126697 129310 135005 153049 155558 163480 168103 196664 212524 216008 235460 239320 245830 253394 258620 265655 270010 306098 311116 336206 364963 388895 400861 425048 470920 491660 506788 517240 531310 540020 612196 622232 633485 672412 729926 765245 777790 788791 801722 840515 983320 1013576 1062620 1080040 1224392 1266970 1344824 1459852 1530490 1555580 1577582 1603444 1647061 1681030 1824815 2004305 2125240 2533940 2919704 3060980 3111160 3155164 3206888 3294122 3362060 3649630 3943955 4008610 4744519 5067880 5211193 6121960 6310328 6588244 6724120 7299260 7887910 8017220 8235305 9489038 10254283 10422386 13176488 14598520 15775820 16034440 16470610 18978076 20508566 20844772 23722595 24452521 26055965 31551640 32941220 37956152 41017132 41689544 47445190 48905042 51271415 52111930 65882440 82034264 94890380 97810084 102542830 104223860 122262605 189780760 195620168 205085660 208447720 244525210 317882773 410171320 489050420 635765546 978100840 1271531092 1589413865 2543062184 3178827730 6357655460 12715310920
• Sum of all divisors σ(n): 32977889280
• Sum of proper divisors (its aliquot sum) s(n): 20262578360
• 12715310920 is an abundant number, because the sum of its proper divisors (20262578360) is greater than itself. Its abundance is 7547267440

Bases of 12715310920

• Binary: 1011110101111001000011111101001000₂
• Hexadecimal: 0x2F5E43F48
• Base-36: 5UAD8P4

Squares and roots of 12715310920

• 12715310920 squared (12715310920²) is 161679131792271246400
• 12715310920 cubed (12715310920³) is 2055800430014385750951930688000
• The square root of 12715310920 is 112762.1874566117
• The cube root of 12715310920 is 2334.0437629027

Scales and comparisons

• 12,715,310,920 seconds is equal to 404 years, 15 weeks, 6 days, 22 hours, 48 minutes, 40 seconds.
• To count from 1 to 12,715,310,920 would take you about eight hundred eight 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 12715310920 cubic inches would be around 194.5 feet tall.

Recreational maths with 12715310920

• 12715310920 backwards is 02901351721
• 12715310920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12715310920's digits is 31
• More coming soon!