161429871967

Names of 161429871967

• Cardinal: 161429871967 can be written as One hundred sixty-one billion, four hundred twenty-nine million, eight hundred seventy-one thousand, nine hundred sixty-seven.

Scientific notation

• Scientific notation: 1.61429871967 × 10¹¹

Factors of 161429871967

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 874

Divisors of 161429871967

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 13 43 49 91 169 301 559 637 811 1183 1849 2107 2197 3913 5677 7267 8281 10543 12943 15379 24037 27391 34873 39739 50869 73801 90601 94471 107653 137059 168259 244111 312481 356083 453349 516607 661297 959413 1177813 1499539 1708777 1781767 2187367 3173443 4062253 4629079 5893537 6715891 10496773 12472369 15311569 19494007 22214101 28435771 41254759 73477411 76615981 87306583 136458049 199050397 253422091 288783313 536311867 955206343 1773954637 3294487183 3754183069 12417682459 23061410281 161429871967
• Sum of all divisors σ(n): 208525156560
• Sum of proper divisors (its aliquot sum) s(n): 47095284593
• 161429871967 is a deficient number, because the sum of its proper divisors (47095284593) is less than itself. Its deficiency is 114334587374

Bases of 161429871967

• Binary: 10010110010101111110000101110101011111₂
• Hexadecimal: 0x2595F85D5F
• Base-36: 225R6EE7

Squares and roots of 161429871967

• 161429871967 squared (161429871967²) is 26059603563282012449089
• 161429871967 cubed (161429871967³) is 4206798466731392251970537375788063
• The square root of 161429871967 is 401783.3644726969
• The cube root of 161429871967 is 5444.9592532147

Scales and comparisons

• 161,429,871,967 seconds is equal to 5,132 years, 50 weeks, 3 days, 7 hours, 6 minutes, 7 seconds.
• To count from 1 to 161,429,871,967 would take you about ten thousand, two hundred sixty-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 161429871967 cubic inches would be around 453.7 feet tall.

Recreational maths with 161429871967

• 161429871967 backwards is 769178924161
• The number of decimal digits it has is: 12
• The sum of 161429871967's digits is 61
• More coming soon!