1428398161218

Names of 1428398161218

• Cardinal: 1428398161218 can be written as One trillion, four hundred twenty-eight billion, three hundred ninety-eight million, one hundred sixty-one thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 1.428398161218 × 10¹²

Factors of 1428398161218

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5761

Divisors of 1428398161218

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 343 441 686 882 1029 2058 2401 3087 4802 5749 6174 7203 11498 14406 17247 21609 34494 40243 43218 51741 80486 103482 120729 241458 281701 362187 563402 724374 845103 1690206 1971907 2535309 3943814 5070618 5915721 11831442 13803349 17747163 27606698 33051001 35494326 41410047 66102002 82820094 99153003 124230141 198306006 231357007 248460282 297459009 462714014 594918018 694071021 1388142042 1619499049 2082213063 3238998098 4164426126 4858497147 9716994294 11336493343 14575491441 22672986686 29150982882 34009480029 68018960058 79355453401 102028440087 158710906802 204056880174 238066360203 476132720406 714199080609 1428398161218
• Sum of all divisors σ(n): 3611086422489
• Sum of proper divisors (its aliquot sum) s(n): 2182688261271
• 1428398161218 is an abundant number, because the sum of its proper divisors (2182688261271) is greater than itself. Its abundance is 754290100053

Bases of 1428398161218

• Binary: 10100110010010011001010100011110101000010₂
• Hexadecimal: 0x14C932A3D42
• Base-36: I873DV0I

Squares and roots of 1428398161218

• 1428398161218 squared (1428398161218²) is 2040321306970963519243524
• 1428398161218 cubed (1428398161218³) is 2914391203171230816205207839954452232
• The square root of 1428398161218 is 1195156.1242021897
• The cube root of 1428398161218 is 11262.0234547173

Scales and comparisons

• 1,428,398,161,218 seconds is equal to 45,418 years, 33 weeks, 3 days, 3 hours, 18 seconds.
• To count from 1 to 1,428,398,161,218 would take you about one hundred thirteen thousand, five hundred forty-six 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 1428398161218 cubic inches would be around 938.5 feet tall.

Recreational maths with 1428398161218

• 1428398161218 backwards is 8121618938241
• The number of decimal digits it has is: 13
• The sum of 1428398161218's digits is 54
• More coming soon!