161477042013

Names of 161477042013

• Cardinal: 161477042013 can be written as One hundred sixty-one billion, four hundred seventy-seven million, forty-two thousand and thirteen.

Scientific notation

• Scientific notation: 1.61477042013 × 10¹¹

Factors of 161477042013

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 16652

Divisors of 161477042013

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 7 9 21 49 63 147 149 441 447 1043 1341 3129 7301 9387 16493 21903 22201 49479 65709 66603 115451 148437 155407 199809 346353 466221 808157 1039059 1087849 1398663 2424471 2457457 3263547 7273413 7372371 9790641 17202199 22117113 51606597 120415393 154819791 361246179 366161093 1083738537 1098483279 2563127651 3295449837 7689382953 17941893557 23068148859 53825680671 161477042013
• Sum of all divisors σ(n): 273175128954
• Sum of proper divisors (its aliquot sum) s(n): 111698086941
• 161477042013 is a deficient number, because the sum of its proper divisors (111698086941) is less than itself. Its deficiency is 49778955072

Bases of 161477042013

• Binary: 10010110011000110010000001111101011101₂
• Hexadecimal: 0x2598C81F5D
• Base-36: 226J9F19

Squares and roots of 161477042013

• 161477042013 squared (161477042013²) is 26074835097268167092169
• 161477042013 cubed (161477042013³) is 4210487242483618759069677656296197
• The square root of 161477042013 is 401842.0610302015
• The cube root of 161477042013 is 5445.4895432681

Scales and comparisons

• 161,477,042,013 seconds is equal to 5,134 years, 24 weeks, 3 days, 5 hours, 53 minutes, 33 seconds.
• To count from 1 to 161,477,042,013 would take you about ten thousand, two hundred sixty-eight 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 161477042013 cubic inches would be around 453.8 feet tall.

Recreational maths with 161477042013

• 161477042013 backwards is 310240774161
• The number of decimal digits it has is: 12
• The sum of 161477042013's digits is 36
• More coming soon!