161997083379

Names of 161997083379

• Cardinal: 161997083379 can be written as One hundred sixty-one billion, nine hundred ninety-seven million, eighty-three thousand, three hundred seventy-nine.

Scientific notation

• Scientific notation: 1.61997083379 × 10¹¹

Factors of 161997083379

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 458

Divisors of 161997083379

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 27 53 159 191 211 477 573 633 1431 1719 1899 2809 5157 5697 8427 10123 11183 25281 30369 33549 40301 75843 91107 100647 120903 148877 273321 301941 362709 446631 536519 592699 1088127 1339893 1609557 1778097 2135953 4019679 4828671 5334291 6407859 14486013 16002873 19223577 28435507 31413047 57670731 85306521 94239141 113205509 255919563 282717423 339616527 767758689 848152269 1018849581 3056548743 5999891977 17999675931 53999027793 161997083379
• Sum of all divisors σ(n): 247056998400
• Sum of proper divisors (its aliquot sum) s(n): 85059915021
• 161997083379 is a deficient number, because the sum of its proper divisors (85059915021) is less than itself. Its deficiency is 76937168358

Bases of 161997083379

• Binary: 10010110110111110001110101001011110011₂
• Hexadecimal: 0x25B7C752F3
• Base-36: 22F4VPIR

Squares and roots of 161997083379

• 161997083379 squared (161997083379²) is 26243055023302678057641
• 161997083379 cubed (161997083379³) is 4251298372729648725257662845048939
• The square root of 161997083379 is 402488.6127320871
• The cube root of 161997083379 is 5451.3290631637

Scales and comparisons

• 161,997,083,379 seconds is equal to 5,151 years, 2 days, 5 hours, 49 minutes, 39 seconds.
• To count from 1 to 161,997,083,379 would take you about ten thousand, three hundred two 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 161997083379 cubic inches would be around 454.3 feet tall.

Recreational maths with 161997083379

• 161997083379 backwards is 973380799161
• The number of decimal digits it has is: 12
• The sum of 161997083379's digits is 63
• More coming soon!