12385491272

Names of 12385491272

• Cardinal: 12385491272 can be written as Twelve billion, three hundred eighty-five million, four hundred ninety-one thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.2385491272 × 10¹⁰

Factors of 12385491272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 93

Divisors of 12385491272

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 44 49 56 73 77 88 98 121 146 154 196 242 292 308 343 392 484 511 539 584 616 686 803 847 968 1022 1078 1372 1606 1694 2044 2156 2401 2744 3212 3388 3577 3773 4088 4312 4802 5329 5621 5929 6424 6776 7154 7546 8833 9604 10658 11242 11858 14308 15092 17666 19208 21316 22484 23716 25039 26411 28616 30184 35332 37303 39347 41503 42632 44968 47432 50078 52822 58619 61831 70664 74606 78694 83006 100156 105644 117238 123662 149212 157388 166012 175273 200312 211288 234476 247324 261121 275429 290521 298424 314776 332024 350546 410333 432817 468952 494648 522242 550858 581042 644809 701092 820666 865634 1044484 1101716 1162084 1289618 1402184 1641332 1731268 1827847 1928003 2088968 2203432 2324168 2579236 2872331 3029719 3282664 3462536 3655694 3856006 4513663 5158472 5744662 6059438 7311388 7712012 9027326 11489324 12118876 12794929 14622776 15424024 18054652 20106317 21208033 22978648 24237752 25589858 31595641 36109304 40212634 42416066 51179716 63191282 80425268 84832132 102359432 126382564 140744219 160850536 169664264 221169487 252765128 281488438 442338974 562976876 884677948 1125953752 1548186409 1769355896 3096372818 6192745636 12385491272
• Sum of all divisors σ(n): 30191936985
• Sum of proper divisors (its aliquot sum) s(n): 17806445713
• 12385491272 is an abundant number, because the sum of its proper divisors (17806445713) is greater than itself. Its abundance is 5420954441

Bases of 12385491272

• Binary: 1011100010001110111001100101001000₂
• Hexadecimal: 0x2E23B9948
• Base-36: 5OU0288

Squares and roots of 12385491272

• 12385491272 squared (12385491272²) is 153400394048788177984
• 12385491272 cubed (12385491272³) is 1899939241612626720597614555648
• The square root of 12385491272 is 111290.1220773883
• The cube root of 12385491272 is 2313.6859671849

Scales and comparisons

• 12,385,491,272 seconds is equal to 393 years, 42 weeks, 4 days, 14 hours, 14 minutes, 32 seconds.
• To count from 1 to 12,385,491,272 would take you about seven hundred eighty-seven 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 12385491272 cubic inches would be around 192.8 feet tall.

Recreational maths with 12385491272

• 12385491272 backwards is 27219458321
• 12385491272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12385491272's digits is 44
• More coming soon!