690142068

Names of 690142068

• Cardinal: 690142068 can be written as Six hundred ninety million, one hundred forty-two thousand and sixty-eight.

Scientific notation

• Scientific notation: 6.90142068 × 10⁸

Factors of 690142068

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5104

Divisors of 690142068

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 49 63 66 77 84 98 99 126 132 147 154 196 198 231 252 294 308 343 396 441 462 539 588 686 693 882 924 1029 1078 1372 1386 1617 1764 2058 2156 2772 3087 3234 3773 4116 4851 5081 6174 6468 7546 9702 10162 11319 12348 15092 15243 19404 20324 22638 30486 33957 35567 45276 45729 55891 60972 67914 71134 91458 106701 111782 135828 142268 167673 182916 213402 223564 248969 320103 335346 391237 426804 497938 503019 640206 670692 746907 782474 995876 1006038 1173711 1280412 1493814 1564948 1742783 2012076 2240721 2347422 2738659 2987628 3485566 3521133 4481442 4694844 5228349 5477318 6971132 7042266 8215977 8962884 10456698 10954636 14084532 15685047 16431954 19170613 20913396 24647931 31370094 32863908 38341226 49295862 57511839 62740188 76682452 98591724 115023678 172535517 230047356 345071034 690142068
• Sum of all divisors σ(n): 2219817600
• Sum of proper divisors (its aliquot sum) s(n): 1529675532
• 690142068 is an abundant number, because the sum of its proper divisors (1529675532) is greater than itself. Its abundance is 839533464

Bases of 690142068

• Binary: 101001001000101011101101110100₂
• Hexadecimal: 0x2922BB74
• Base-36: BEW510

Squares and roots of 690142068

• 690142068 squared (690142068²) is 476296074023316624
• 690142068 cubed (690142068³) is 328711957506732815106138432
• The square root of 690142068 is 26270.5551521089
• The cube root of 690142068 is 883.7162350269

Scales and comparisons

• 690,142,068 seconds is equal to 21 years, 49 weeks, 18 hours, 7 minutes, 48 seconds.
• To count from 1 to 690,142,068 would take you about thirty-two 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 690142068 cubic inches would be around 73.6 feet tall.

Recreational maths with 690142068

• 690142068 backwards is 860241096
• 690142068 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 690142068's digits is 36
• More coming soon!