997745931

Names of 997745931

• Cardinal: 997745931 can be written as Nine hundred ninety-seven million, seven hundred forty-five thousand, nine hundred thirty-one.

Scientific notation

• Scientific notation: 9.97745931 × 10⁸

Factors of 997745931

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 853

Divisors of 997745931

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 13 21 27 39 63 81 91 117 189 223 273 351 567 607 669 819 1053 1561 1821 2007 2457 2899 4249 4683 5463 6021 7371 7891 8697 12747 14049 16389 18063 20293 23673 26091 38241 42147 49167 55237 60879 71019 78273 114723 126441 135361 165711 182637 213057 234819 344169 406083 497133 547911 639171 947527 1218249 1491399 1643733 1759693 2842581 3654747 4474197 5279079 8527743 10964241 12317851 15837237 25583229 36953553 47511711 76749687 110860659 142535133 332581977 997745931
• Sum of all divisors σ(n): 1845673984
• Sum of proper divisors (its aliquot sum) s(n): 847928053
• 997745931 is a deficient number, because the sum of its proper divisors (847928053) is less than itself. Its deficiency is 149817878

Bases of 997745931

• Binary: 111011011110000110010100001011₂
• Hexadecimal: 0x3B78650B
• Base-36: GI15OR

Squares and roots of 997745931

• 997745931 squared (997745931²) is 995496942827056761
• 997745931 cubed (997745931³) is 993253024028635519993789491
• The square root of 997745931 is 31587.1165350685
• The cube root of 997745931 is 999.2480784223

Scales and comparisons

• 997,745,931 seconds is equal to 31 years, 37 weeks, 4 days, 23 hours, 38 minutes, 51 seconds.
• To count from 1 to 997,745,931 would take you about forty-seven 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 997745931 cubic inches would be around 83.3 feet tall.

Recreational maths with 997745931

• 997745931 backwards is 139547799
• The number of decimal digits it has is: 9
• The sum of 997745931's digits is 54
• More coming soon!