72137643211661897

Names of 72137643211661897

• Cardinal: 72137643211661897 can be written as Seventy-two quadrillion, one hundred thirty-seven trillion, six hundred forty-three billion, two hundred eleven million, six hundred sixty-one thousand, eight hundred ninety-seven.

Scientific notation

• Scientific notation: 7.2137643211661897 × 10¹⁶

Factors of 72137643211661897

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 139

Divisors of 72137643211661897

• Number of divisors d(n): 56
• Complete list of divisors:
  1 31 47 61 961 1457 1891 2867 3721 29791 45167 58621 88877 115351 174887 226981 1400177 1817251 2755187 3575881 5421497 7036411 10668107 13845841 85410797 110852311 168066407 218128741 330711317 429221071 650754527 844596301 5210058617 6761990971 10252050827 13305853201 20173390337 26182485331 39696026147 51520374361 317813575637 412481449231 625375100447 811657045261 1230576810557 1597131605191 2421457594967 19386628113857 25161368403091 38147881127267 49511079760921 75065185443977 1182584314945277 1534843472588551 2327020748763287 72137643211661897
• Sum of all divisors σ(n): 77396956371231744
• Sum of proper divisors (its aliquot sum) s(n): 5259313159569847
• 72137643211661897 is a deficient number, because the sum of its proper divisors (5259313159569847) is less than itself. Its deficiency is 66878330052092050

Bases of 72137643211661897

• Binary: 100000000010010001100110111100110100100001010001001001001₂
• Hexadecimal: 0x10048CDE690A249
• Base-36: JQANRSLGXFT

Squares and roots of 72137643211661897

• 72137643211661897 squared (72137643211661897²) is 5203839568133029769778300641638609
• 72137643211661897 cubed (72137643211661897³) is 375392722096709232715337070261945294304132169381273
• The square root of 72137643211661897 is 268584517.8182500841
• The cube root of 72137643211661897 is 416281.6971700789
• Being both a perfect square and a perfect cube, 72137643211661897 is also a perfect sixth number.

Scales and comparisons

• 72,137,643,211,661,897 seconds is equal to 2,293,753,917 years, 38 weeks, 6 days, 21 hours, 38 minutes, 17 seconds.
• To count from 1 to 72,137,643,211,661,897 would take you about six billion, eight hundred eighty-one million, two hundred sixty-one thousand, seven hundred fifty-three 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 72137643211661897 cubic inches would be around 34690.1 feet tall.

Recreational maths with 72137643211661897

• 72137643211661897 backwards is 79816611234673127
• The number of decimal digits it has is: 17
• The sum of 72137643211661897's digits is 74
• More coming soon!