18910829002

Names of 18910829002

• Cardinal: 18910829002 can be written as Eighteen billion, nine hundred ten million, eight hundred twenty-nine thousand and two.

Scientific notation

• Scientific notation: 1.8910829002 × 10¹⁰

Factors of 18910829002

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 274

Divisors of 18910829002

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 13 17 26 31 34 62 211 221 403 422 442 527 806 961 1054 1922 2743 3587 5486 6541 6851 7174 12493 13082 13702 16337 24986 32674 44521 46631 85033 89042 93262 111197 170066 202771 212381 222394 405542 424762 578773 756857 1157546 1380151 1445561 1513714 2636023 2760302 2891122 3447107 5272046 6894214 9839141 17941963 19678282 23462567 35883926 42784681 44812391 46925134 85569362 89624782 305013371 556200853 610026742 727339577 1112401706 1454679154 9455414501 18910829002
• Sum of all divisors σ(n): 33581420964
• Sum of proper divisors (its aliquot sum) s(n): 14670591962
• 18910829002 is a deficient number, because the sum of its proper divisors (14670591962) is less than itself. Its deficiency is 4240237040

Bases of 18910829002

• Binary: 10001100111001011000101100111001010₂
• Hexadecimal: 0x4672C59CA
• Base-36: 8OR0P1M

Squares and roots of 18910829002

• 18910829002 squared (18910829002²) is 357619453542884316004
• 18910829002 cubed (18910829002³) is 6762880333738168373819375948008
• The square root of 18910829002 is 137516.6499082929
• The cube root of 18910829002 is 2664.2206442979

Scales and comparisons

• 18,910,829,002 seconds is equal to 601 years, 15 weeks, 6 days, 8 hours, 3 minutes, 22 seconds.
• To count from 1 to 18,910,829,002 would take you about one thousand, two hundred 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 18910829002 cubic inches would be around 222 feet tall.

Recreational maths with 18910829002

• 18910829002 backwards is 20092801981
• The number of decimal digits it has is: 11
• The sum of 18910829002's digits is 40
• More coming soon!