123451998813

Names of 123451998813

• Cardinal: 123451998813 can be written as One hundred twenty-three billion, four hundred fifty-one million, nine hundred ninety-eight thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 1.23451998813 × 10¹¹

Factors of 123451998813

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2980

Divisors of 123451998813

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 9 11 13 33 39 99 117 121 143 363 429 1089 1287 1573 2953 4719 8859 14157 26577 32483 38389 97449 115167 292347 345501 357313 422279 1071939 1266837 3215817 3800511 4645069 8720209 13935207 26160627 41805621 78481881 95922299 113362717 287766897 340088151 863300691 1020264453 1055145289 1246989887 3165435867 3740969661 9496307601 11222908983 13716888757 41150666271 123451998813
• Sum of all divisors σ(n): 211152883578
• Sum of proper divisors (its aliquot sum) s(n): 87700884765
• 123451998813 is a deficient number, because the sum of its proper divisors (87700884765) is less than itself. Its deficiency is 35751114048

Bases of 123451998813

• Binary: 1110010111110010100000000001001011101₂
• Hexadecimal: 0x1CBE50025D
• Base-36: 1KPO4RX9

Squares and roots of 123451998813

• 123451998813 squared (123451998813²) is 15240396010924953408969
• 123451998813 cubed (123451998813³) is 1881457350250357283276121291553797
• The square root of 123451998813 is 351357.3662426901
• The cube root of 123451998813 is 4979.2741910483

Scales and comparisons

• 123,451,998,813 seconds is equal to 3,925 years, 20 weeks, 2 days, 13 hours, 53 minutes, 33 seconds.
• To count from 1 to 123,451,998,813 would take you about seven thousand, eight hundred fifty 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 123451998813 cubic inches would be around 414.9 feet tall.

Recreational maths with 123451998813

• 123451998813 backwards is 318899154321
• The number of decimal digits it has is: 12
• The sum of 123451998813's digits is 54
• More coming soon!