998454451813

Names of 998454451813

• Cardinal: 998454451813 can be written as Nine hundred ninety-eight billion, four hundred fifty-four million, four hundred fifty-one thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 9.98454451813 × 10¹¹

Factors of 998454451813

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5322

Divisors of 998454451813

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 31 79 91 217 403 553 1027 1093 2449 2821 4099 7189 7651 14209 17143 28693 31837 33883 53287 86347 99463 127069 222859 237181 323821 373009 440479 604429 889483 1122511 1651897 2266747 2676757 3083353 4209673 4480207 7857577 10038451 11563279 18737299 29467711 31361449 34797841 58242691 70269157 130499863 138886417 243584887 353936353 407698837 913499041 972204919 1805523421 2477554471 4601172589 10972026943 12638663947 32208208123 76804188601 142636350259 998454451813
• Sum of all divisors σ(n): 1286053888000
• Sum of proper divisors (its aliquot sum) s(n): 287599436187
• 998454451813 is a deficient number, because the sum of its proper divisors (287599436187) is less than itself. Its deficiency is 710855015626

Bases of 998454451813

• Binary: 1110100001111000100001011101111001100101₂
• Hexadecimal: 0xE87885DE65
• Base-36: CQOM01NP

Squares and roots of 998454451813

• 998454451813 squared (998454451813²) is 996911292345198338986969
• 998454451813 cubed (998454451813³) is 995370517904714390715992278645424797
• The square root of 998454451813 is 999226.9270856345
• The cube root of 998454451813 is 9994.8455162963

Scales and comparisons

• 998,454,451,813 seconds is equal to 31,747 years, 39 weeks, 4 days, 18 hours, 50 minutes, 13 seconds.
• To count from 1 to 998,454,451,813 would take you about sixty-three thousand, four hundred ninety-five 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 998454451813 cubic inches would be around 832.9 feet tall.

Recreational maths with 998454451813

• 998454451813 backwards is 318154454899
• The number of decimal digits it has is: 12
• The sum of 998454451813's digits is 61
• More coming soon!