2139392013

Names of 2139392013

• Cardinal: 2139392013 can be written as Two billion, one hundred thirty-nine million, three hundred ninety-two thousand and thirteen.

Scientific notation

• Scientific notation: 2.139392013 × 10⁹

Factors of 2139392013

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2098

Divisors of 2139392013

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 17 33 41 47 51 123 141 187 451 517 561 697 799 1353 1551 1927 1979 2091 2397 5781 5937 7667 8789 21197 21769 23001 26367 32759 33643 63591 65307 81139 93013 98277 100929 243417 279039 360349 370073 892529 1023143 1081047 1110219 1379363 1581221 2677587 3069429 3813533 4138089 4743663 11440599 15172993 17393431 41948863 45518979 52180293 64830061 125846589 194490183 713130671 2139392013
• Sum of all divisors σ(n): 3448811520
• Sum of proper divisors (its aliquot sum) s(n): 1309419507
• 2139392013 is a deficient number, because the sum of its proper divisors (1309419507) is less than itself. Its deficiency is 829972506

Bases of 2139392013

• Binary: 1111111100001001000100000001101₂
• Hexadecimal: 0x7F84880D
• Base-36: ZDQLFX

Squares and roots of 2139392013

• 2139392013 squared (2139392013²) is 4576998185288192169
• 2139392013 cubed (2139392013³) is 9791993361121052429567746197
• The square root of 2139392013 is 46253.5621655241
• The cube root of 2139392013 is 1288.5366923907

Scales and comparisons

• 2,139,392,013 seconds is equal to 68 years, 1 week, 2 days, 11 hours, 33 minutes, 33 seconds.
• To count from 1 to 2,139,392,013 would take you about one hundred thirty-six 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 2139392013 cubic inches would be around 107.4 feet tall.

Recreational maths with 2139392013

• 2139392013 backwards is 3102939312
• 2139392013 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2139392013's digits is 33
• More coming soon!