72018163044

Names of 72018163044

• Cardinal: 72018163044 can be written as Seventy-two billion, eighteen million, one hundred sixty-three thousand and forty-four.

Scientific notation

• Scientific notation: 7.2018163044 × 10¹⁰

Factors of 72018163044

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 899

Divisors of 72018163044

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 81 102 108 153 162 204 289 306 324 459 578 612 867 877 918 1156 1377 1734 1754 1836 2601 2631 2754 3468 3508 5202 5262 5508 7803 7893 10404 10524 14909 15606 15786 23409 23679 29818 31212 31572 44727 46818 47358 59636 71037 89454 93636 94716 134181 142074 178908 253453 268362 284148 402543 506906 536724 760359 769129 805086 1013812 1207629 1520718 1538258 1610172 2281077 2307387 2415258 3041436 3076516 4562154 4614774 4830516 6843231 6922161 9124308 9229548 13075193 13686462 13844322 20529693 20766483 26150386 27372924 27688644 39225579 41059386 41532966 52300772 62299449 78451158 82118772 83065932 117676737 124598898 156902316 222278281 235353474 249197796 353030211 444556562 470706948 666834843 706060422 889113124 1059090633 1333669686 1412120844 2000504529 2118181266 2667339372 4001009058 4236362532 6001513587 8002018116 12003027174 18004540761 24006054348 36009081522 72018163044
• Sum of all divisors σ(n): 200224150203
• Sum of proper divisors (its aliquot sum) s(n): 128205987159
• 72018163044 is an abundant number, because the sum of its proper divisors (128205987159) is greater than itself. Its abundance is 56187824115

Bases of 72018163044

• Binary: 1000011000100100111011111010101100100₂
• Hexadecimal: 0x10C49DF564
• Base-36: X31R690

Squares and roots of 72018163044

• 72018163044 squared (72018163044²) is 5186615808232167345936
• 72018163044 cubed (72018163044³) is 373530542923852065325111598789184
• 72018163044 is a perfect square number. Its square root is 268362
• The cube root of 72018163044 is 4160.5174375625

Scales and comparisons

• 72,018,163,044 seconds is equal to 2,289 years, 49 weeks, 4 days, 13 hours, 17 minutes, 24 seconds.
• To count from 1 to 72,018,163,044 would take you about four thousand, five hundred seventy-nine 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 72018163044 cubic inches would be around 346.7 feet tall.

Recreational maths with 72018163044

• 72018163044 backwards is 44036181027
• 72018163044 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72018163044's digits is 36
• More coming soon!