72973491129

Names of 72973491129

• Cardinal: 72973491129 can be written as Seventy-two billion, nine hundred seventy-three million, four hundred ninety-one thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 7.2973491129 × 10¹⁰

Factors of 72973491129

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 299

Divisors of 72973491129

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 11 21 33 37 49 63 77 99 111 147 231 241 259 333 343 407 441 539 693 723 777 1029 1221 1617 1687 1813 2169 2331 2651 2849 3087 3663 3773 4851 5061 5439 7953 8547 8917 11319 11809 12691 15183 16317 18557 19943 23859 25641 26751 33957 35427 38073 55671 58081 59829 62419 80253 82663 98087 106281 114219 129899 139601 167013 174243 179487 187257 247989 294261 389697 406567 418803 436933 522729 561771 638891 686609 743967 882783 909293 1169091 1219701 1256409 1310799 1916673 2059827 2148997 2727879 2845969 3058531 3659103 3932397 4472237 4806263 5750019 6179481 6446991 8183637 8537907 9175593 13416711 14418789 15042979 19340973 19921783 23638967 25613721 27526779 31305659 33643841 40250133 43256367 45128937 59765349 70916901 93916977 100931523 105300853 135386811 165472769 179296047 212750703 219139613 281750931 302794569 315902559 496418307 657418839 737105971 947707677 1158309383 1489254921 1972256517 2211317913 3474928149 6633953739 8108165681 10424784447 24324497043 72973491129
• Sum of all divisors σ(n): 138295497600
• Sum of proper divisors (its aliquot sum) s(n): 65322006471
• 72973491129 is a deficient number, because the sum of its proper divisors (65322006471) is less than itself. Its deficiency is 7651484658

Bases of 72973491129

• Binary: 1000011111101100011110001101110111001₂
• Hexadecimal: 0x10FD8F1BB9
• Base-36: XIUJ649

Squares and roots of 72973491129

• 72973491129 squared (72973491129²) is 5325130407554241694641
• 72973491129 cubed (72973491129³) is 388593356556427610890206940339689
• The square root of 72973491129 is 270136.0604010505
• The cube root of 72973491129 is 4178.8332467153

Scales and comparisons

• 72,973,491,129 seconds is equal to 2,320 years, 17 weeks, 1 day, 14 hours, 12 minutes, 9 seconds.
• To count from 1 to 72,973,491,129 would take you about four thousand, six hundred forty 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 72973491129 cubic inches would be around 348.2 feet tall.

Recreational maths with 72973491129

• 72973491129 backwards is 92119437927
• The number of decimal digits it has is: 11
• The sum of 72973491129's digits is 54
• More coming soon!