7138898112

Names of 7138898112

• Cardinal: 7138898112 can be written as Seven billion, one hundred thirty-eight million, eight hundred ninety-eight thousand, one hundred twelve.

Scientific notation

• Scientific notation: 7.138898112 × 10⁹

Factors of 7138898112

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 18967

Divisors of 7138898112

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 192 2221 4442 6663 8884 13326 16741 17768 26652 33482 35536 50223 53304 66964 71072 100446 106608 133928 142144 200892 213216 267856 401784 426432 535712 803568 1071424 1607136 3214272 37181761 74363522 111545283 148727044 223090566 297454088 446181132 594908176 892362264 1189816352 1784724528 2379632704 3569449056 7138898112
• Sum of all divisors σ(n): 18897967792
• Sum of proper divisors (its aliquot sum) s(n): 11759069680
• 7138898112 is an abundant number, because the sum of its proper divisors (11759069680) is greater than itself. Its abundance is 4620171568

Bases of 7138898112

• Binary: 110101001100000101111000011000000₂
• Hexadecimal: 0x1A982F0C0
• Base-36: 3A2BD1C

Squares and roots of 7138898112

• 7138898112 squared (7138898112²) is 50963866253517164544
• 7138898112 cubed (7138898112³) is 363825848577454199322754940928
• The square root of 7138898112 is 84492.0002840505
• The cube root of 7138898112 is 1925.5009085623

Scales and comparisons

• 7,138,898,112 seconds is equal to 226 years, 51 weeks, 5 days, 3 hours, 15 minutes, 12 seconds.
• To count from 1 to 7,138,898,112 would take you about four hundred fifty-three 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 7138898112 cubic inches would be around 160.5 feet tall.

Recreational maths with 7138898112

• 7138898112 backwards is 2118988317
• 7138898112 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7138898112's digits is 48
• More coming soon!