12986309520

Names of 12986309520

• Cardinal: 12986309520 can be written as Twelve billion, nine hundred eighty-six million, three hundred nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.298630952 × 10¹⁰

Factors of 12986309520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 17481

Divisors of 12986309520

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 34 36 40 45 48 51 60 61 68 72 80 85 90 102 120 122 136 144 153 170 180 183 204 240 244 255 272 305 306 340 360 366 408 488 510 549 610 612 680 720 732 765 816 915 976 1020 1037 1098 1220 1224 1360 1464 1530 1830 2040 2074 2196 2440 2448 2745 2928 3060 3111 3660 4080 4148 4392 4880 5185 5490 6120 6222 7320 8296 8784 9333 10370 10980 12240 12444 14640 15555 16592 17393 18666 20740 21960 24888 31110 34786 37332 41480 43920 46665 49776 52179 62220 69572 74664 82960 86965 93330 104358 124440 139144 149328 156537 173930 186660 208716 248880 260895 278288 295681 313074 347860 373320 417432 521790 591362 626148 695720 746640 782685 834864 887043 1043580 1060973 1182724 1252296 1391440 1478405 1565370 1774086 2087160 2121946 2365448 2504592 2661129 2956810 3130740 3182919 3548172 4174320 4243892 4435215 4730896 5304865 5322258 5913620 6261480 6365838 7096344 8487784 8870430 9548757 10609730 10644516 11827240 12522960 12731676 13305645 14192688 15914595 16975568 17740860 18036541 19097514 21219460 21289032 23654480 25463352 26611290 31829190 35481720 36073082 38195028 42438920 42578064 47743785 50926704 53222580 54109623 63658380 70963440 72146164 76390056 84877840 90182705 95487570 106445160 108219246 127316760 144292328 152780112 162328869 180365410 190975140 212890320 216438492 254633520 270548115 288584656 324657738 360730820 381950280 432876984 541096230 649315476 721461640 763900560 811644345 865753968 1082192460 1298630952 1442923280 1623288690 2164384920 2597261904 3246577380 4328769840 6493154760 12986309520
• Sum of all divisors σ(n): 46937500272
• Sum of proper divisors (its aliquot sum) s(n): 33951190752
• 12986309520 is an abundant number, because the sum of its proper divisors (33951190752) is greater than itself. Its abundance is 20964881232

Bases of 12986309520

• Binary: 1100000110000010110101101110010000₂
• Hexadecimal: 0x3060B5B90
• Base-36: 5YRPOK0

Squares and roots of 12986309520

• 12986309520 squared (12986309520²) is 168644234949242630400
• 12986309520 cubed (12986309520³) is 2190066233814466287953361408000
• The square root of 12986309520 is 113957.4899688475
• The cube root of 12986309520 is 2350.5089900961

Scales and comparisons

• 12,986,309,520 seconds is equal to 412 years, 48 weeks, 12 hours, 12 minutes.
• To count from 1 to 12,986,309,520 would take you about eight hundred twenty-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 12986309520 cubic inches would be around 195.9 feet tall.

Recreational maths with 12986309520

• 12986309520 backwards is 02590368921
• 12986309520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12986309520's digits is 45
• More coming soon!