17997977907

Names of 17997977907

• Cardinal: 17997977907 can be written as Seventeen billion, nine hundred ninety-seven million, nine hundred seventy-seven thousand, nine hundred seven.

Scientific notation

• Scientific notation: 1.7997977907 × 10¹⁰

Factors of 17997977907

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 189

Divisors of 17997977907

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 21 39 59 63 91 107 117 177 273 321 413 531 749 767 819 963 1239 1391 2247 2301 3481 3717 4173 5369 6313 6741 6903 9737 10443 12519 16107 18939 24367 29211 31329 44191 45253 48321 56817 73101 82069 87633 132573 135759 205379 219303 246207 316771 372467 397719 407277 574483 616137 738621 950313 1117401 1437653 1723449 1848411 2607269 2669927 2850939 3352203 4312959 4842071 5170347 7821807 8009781 12938877 14526213 18689489 21975553 23465421 24029343 33894497 43578639 56068467 65926659 101683491 153828871 168205401 197779977 285682189 305050473 461486613 857046567 1384459839 1999775323 2571139701 5999325969 17997977907
• Sum of all divisors σ(n): 32852252160
• Sum of proper divisors (its aliquot sum) s(n): 14854274253
• 17997977907 is a deficient number, because the sum of its proper divisors (14854274253) is less than itself. Its deficiency is 3143703654

Bases of 17997977907

• Binary: 10000110000110000110101100100110011₂
• Hexadecimal: 0x430C35933
• Base-36: 89NJ4MR

Squares and roots of 17997977907

• 17997977907 squared (17997977907²) is 323927208740860100649
• 17997977907 cubed (17997977907³) is 5830034746394177379658498361643
• The square root of 17997977907 is 134156.5425426579
• The cube root of 17997977907 is 2620.6432538149

Scales and comparisons

• 17,997,977,907 seconds is equal to 572 years, 14 weeks, 3 days, 22 hours, 18 minutes, 27 seconds.
• To count from 1 to 17,997,977,907 would take you about one thousand, one hundred forty-four 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 17997977907 cubic inches would be around 218.4 feet tall.

Recreational maths with 17997977907

• 17997977907 backwards is 70977979971
• The number of decimal digits it has is: 11
• The sum of 17997977907's digits is 72
• More coming soon!