18120010725

Names of 18120010725

• Cardinal: 18120010725 can be written as Eighteen billion, one hundred twenty million, ten thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 1.8120010725 × 10¹⁰

Factors of 18120010725

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2004

Divisors of 18120010725

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 15 19 25 31 45 57 73 75 93 95 155 171 219 225 279 285 365 465 475 589 657 775 855 1095 1387 1395 1425 1767 1825 1873 2263 2325 2945 3285 4161 4275 5301 5475 5619 6789 6935 6975 8835 9365 11315 12483 14725 16425 16857 20367 20805 26505 28095 33945 34675 35587 42997 44175 46825 56575 58063 62415 84285 101835 104025 106761 128991 132525 136729 140475 169725 174189 177935 214985 290315 312075 320283 386973 410187 421425 509175 522567 533805 644955 683645 870945 889675 1074925 1103197 1230561 1451575 1601415 1934865 2050935 2597851 2612835 2669025 3224775 3309591 3418225 4238599 4354725 5515985 6152805 7793553 8007075 9674325 9928773 10254675 12715797 12989255 13064175 16547955 21192995 23380659 27579925 30764025 38147391 38967765 49643865 63578985 64946275 80533381 82739775 105964975 116903295 190736955 194838825 241600143 248219325 317894925 402666905 584516475 724800429 953684775 1208000715 2013334525 3624002145 6040003575 18120010725
• Sum of all divisors σ(n): 35767313920
• Sum of proper divisors (its aliquot sum) s(n): 17647303195
• 18120010725 is a deficient number, because the sum of its proper divisors (17647303195) is less than itself. Its deficiency is 472707530

Bases of 18120010725

• Binary: 10000111000000010010110101111100101₂
• Hexadecimal: 0x438096BE5
• Base-36: 8BO6PR9

Squares and roots of 18120010725

• 18120010725 squared (18120010725²) is 328334788674115025625
• 18120010725 cubed (18120010725³) is 5949429892165572794208649828125
• The square root of 18120010725 is 134610.5892008501
• The cube root of 18120010725 is 2626.5528879697

Scales and comparisons

• 18,120,010,725 seconds is equal to 576 years, 8 weeks, 2 days, 8 hours, 18 minutes, 45 seconds.
• To count from 1 to 18,120,010,725 would take you about one thousand, one hundred fifty-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 18120010725 cubic inches would be around 218.9 feet tall.

Recreational maths with 18120010725

• 18120010725 backwards is 52701002181
• The number of decimal digits it has is: 11
• The sum of 18120010725's digits is 27
• More coming soon!