28690713142

Names of 28690713142

• Cardinal: 28690713142 can be written as Twenty-eight billion, six hundred ninety million, seven hundred thirteen thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.8690713142 × 10¹⁰

Factors of 28690713142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 410

Divisors of 28690713142

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 13 14 26 49 91 98 107 182 214 281 343 562 637 686 749 1274 1391 1498 1967 2782 3653 3934 4459 5243 7306 8918 9737 10486 11449 13769 19474 22898 25571 27538 30067 36701 51142 60134 68159 73402 80143 96383 136318 148837 160286 178997 192766 210469 297674 357994 390871 420938 477113 561001 781742 954226 1041859 1122002 1252979 1473283 2083718 2505958 2736097 2946566 3217169 3927007 5472194 6434338 7293013 7854014 10312981 14586026 19152679 20625962 22520183 38305358 41823197 45040366 51051091 83646394 102102182 134068753 157641281 268137506 292762379 315282562 585524758 1103488967 2049336653 2206977934 4098673306 14345356571 28690713142
• Sum of all divisors σ(n): 54752443200
• Sum of proper divisors (its aliquot sum) s(n): 26061730058
• 28690713142 is a deficient number, because the sum of its proper divisors (26061730058) is less than itself. Its deficiency is 2628983084

Bases of 28690713142

• Binary: 11010101110000110011000101000110110₂
• Hexadecimal: 0x6AE198A36
• Base-36: D6HPJXY

Squares and roots of 28690713142

• 28690713142 squared (28690713142²) is 823157020596531512164
• 28690713142 cubed (28690713142³) is 23616961948758471335660807659288
• The square root of 28690713142 is 169383.3319485717
• The cube root of 28690713142 is 3061.3556135649

Scales and comparisons

• 28,690,713,142 seconds is equal to 912 years, 14 weeks, 2 days, 10 hours, 32 minutes, 22 seconds.
• To count from 1 to 28,690,713,142 would take you about one thousand, eight hundred twenty-four 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 28690713142 cubic inches would be around 255.1 feet tall.

Recreational maths with 28690713142

• 28690713142 backwards is 24131709682
• The number of decimal digits it has is: 11
• The sum of 28690713142's digits is 43
• More coming soon!