72133087728728

Names of 72133087728728

• Cardinal: 72133087728728 can be written as Seventy-two trillion, one hundred thirty-three billion, eighty-seven million, seven hundred twenty-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2133087728728 × 10¹³

Factors of 72133087728728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2823

Divisors of 72133087728728

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 19 26 38 52 76 104 152 169 247 338 361 494 676 722 988 1352 1444 1976 2789 2888 3211 4693 5578 6422 6859 9386 11156 12844 13718 18772 22312 25688 27436 36257 37544 52991 54872 61009 72514 89167 105982 122018 145028 178334 211964 244036 290056 356668 423928 471341 488072 688883 713336 942682 1006829 1159171 1377766 1885364 2013658 2318342 2755532 3770728 4027316 4636684 5511064 7778521 8054632 8955479 9273368 13088777 15557042 17910958 19129751 26177554 31114084 35821916 38259502 52355108 62228168 71643832 76519004 101120773 104710216 147791899 153038008 170154101 202241546 248686763 295583798 340308202 404483092 497373526 591167596 680616404 808966184 994747052 1182335192 1314570049 1361232808 1921294687 1989494104 2629140098 2808046081 3232927919 3842589374 5258280196 5616092162 6465855838 7685178748 10516560392 11232184324 12931711676 15370357496 22464368648 24976830931 25863423352 36504599053 49953661862 53352875539 73009198106 99907323724 106705751078 146018396212 199814647448 213411502156 292036792424 426823004312 474559787689 693587382007 949119575378 1387174764014 1898239150756 2774349528028 3796478301512 5548699056056 9016635966091 18033271932182 36066543864364 72133087728728
• Sum of all divisors σ(n): 154644218551800
• Sum of proper divisors (its aliquot sum) s(n): 82511130823072
• 72133087728728 is an abundant number, because the sum of its proper divisors (82511130823072) is greater than itself. Its abundance is 10378043094344

Bases of 72133087728728

• Binary: 10000011001101011001011000100100001010001011000₂
• Hexadecimal: 0x419ACB121458
• Base-36: PKHHE0G9K

Squares and roots of 72133087728728

• 72133087728728 squared (72133087728728²) is 5203182345280369977716497984
• 72133087728728 cubed (72133087728728³) is 375321608580677631106285663536584750884352
• The square root of 72133087728728 is 8493120.0232145549
• The cube root of 72133087728728 is 41627.2934273655

Scales and comparisons

• 72,133,087,728,728 seconds is equal to 2,293,609 years, 3 weeks, 3 days, 13 hours, 32 minutes, 8 seconds.
• To count from 1 to 72,133,087,728,728 would take you about five million, seven hundred thirty-four thousand and twenty-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 72133087728728 cubic inches would be around 3468.9 feet tall.

Recreational maths with 72133087728728

• 72133087728728 backwards is 82782778033127
• The number of decimal digits it has is: 14
• The sum of 72133087728728's digits is 65
• More coming soon!