1642013900

Names of 1642013900

• Cardinal: 1642013900 can be written as One billion, six hundred forty-two million, thirteen thousand, nine hundred.

Scientific notation

• Scientific notation: 1.6420139 × 10⁹

Factors of 1642013900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1364

Divisors of 1642013900

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 20 25 50 83 100 166 181 332 362 415 724 830 905 1093 1660 1810 2075 2186 3620 4150 4372 4525 5465 8300 9050 10930 15023 18100 21860 27325 30046 54650 60092 75115 90719 109300 150230 181438 197833 300460 362876 375575 395666 453595 751150 791332 907190 989165 1502300 1814380 1978330 2267975 3956660 4535950 4945825 9071900 9891650 16420139 19783300 32840278 65680556 82100695 164201390 328402780 410503475 821006950 1642013900
• Sum of all divisors σ(n): 3629340624
• Sum of proper divisors (its aliquot sum) s(n): 1987326724
• 1642013900 is an abundant number, because the sum of its proper divisors (1987326724) is greater than itself. Its abundance is 345312824

Bases of 1642013900

• Binary: 1100001110111110010010011001100₂
• Hexadecimal: 0x61DF24CC
• Base-36: R5M218

Squares and roots of 1642013900

• 1642013900 squared (1642013900²) is 2696209647793210000
• 1642013900 cubed (1642013900³) is 4427213718990555145619000000
• The square root of 1642013900 is 40521.7706918145
• The cube root of 1642013900 is 1179.7562217849

Scales and comparisons

• 1,642,013,900 seconds is equal to 52 years, 10 weeks, 6 days, 18 hours, 58 minutes, 20 seconds.
• To count from 1 to 1,642,013,900 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 1642013900 cubic inches would be around 98.3 feet tall.

Recreational maths with 1642013900

• 1642013900 backwards is 0093102461
• The number of decimal digits it has is: 10
• The sum of 1642013900's digits is 26
• More coming soon!