1638152982

Names of 1638152982

• Cardinal: 1638152982 can be written as One billion, six hundred thirty-eight million, one hundred fifty-two thousand, nine hundred eighty-two.

Scientific notation

• Scientific notation: 1.638152982 × 10⁹

Factors of 1638152982

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8246

Divisors of 1638152982

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 19 38 57 114 171 342 631 1262 1893 3786 5679 7591 11358 11989 15182 22773 23978 35967 45546 68319 71934 107901 136638 144229 215802 288458 432687 865374 1298061 2596122 4789921 9579842 14369763 28739526 43109289 86218578 91008499 182016998 273025497 546050994 819076491 1638152982
• Sum of all divisors σ(n): 3742552320
• Sum of proper divisors (its aliquot sum) s(n): 2104399338
• 1638152982 is an abundant number, because the sum of its proper divisors (2104399338) is greater than itself. Its abundance is 466246356

Bases of 1638152982

• Binary: 1100001101001000011101100010110₂
• Hexadecimal: 0x61A43B16
• Base-36: R3BAXI

Squares and roots of 1638152982

• 1638152982 squared (1638152982²) is 2683545192435492324
• 1638152982 cubed (1638152982³) is 4396057559319965593198710168
• The square root of 1638152982 is 40474.1026089523
• The cube root of 1638152982 is 1178.8308303573

Scales and comparisons

• 1,638,152,982 seconds is equal to 52 years, 4 weeks, 4 days, 2 hours, 29 minutes, 42 seconds.
• To count from 1 to 1,638,152,982 would take you about one hundred 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 1638152982 cubic inches would be around 98.2 feet tall.

Recreational maths with 1638152982

• 1638152982 backwards is 2892518361
• The number of decimal digits it has is: 10
• The sum of 1638152982's digits is 45
• More coming soon!