18513885012

Names of 18513885012

• Cardinal: 18513885012 can be written as Eighteen billion, five hundred thirteen million, eight hundred eighty-five thousand and twelve.

Scientific notation

• Scientific notation: 1.8513885012 × 10¹⁰

Factors of 18513885012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1332

Divisors of 18513885012

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 29 42 49 58 84 87 98 116 147 174 196 203 294 348 406 588 609 812 841 1218 1291 1421 1682 2436 2523 2582 2842 3364 3873 4263 5046 5164 5684 5887 7746 8526 9037 10092 11774 15492 17052 17661 18074 23548 24389 27111 35322 36148 37439 41209 48778 54222 63259 70644 73167 74878 82418 97556 108444 112317 123627 126518 146334 149756 164836 170723 189777 224634 247254 253036 262073 292668 341446 379554 449268 494508 512169 524146 682892 759108 786219 1024338 1048292 1085731 1195061 1572438 1834511 2048676 2171462 2390122 3144876 3257193 3585183 3669022 4342924 4780244 5503533 6514386 7170366 7338044 7600117 11007066 13028772 14340732 15200234 22014132 22800351 30400468 31486199 45600702 53200819 62972398 91201404 94458597 106401638 125944796 159602457 188917194 212803276 220403393 319204914 377834388 440806786 638409828 661210179 881613572 1322420358 1542823751 2644840716 3085647502 4628471253 6171295004 9256942506 18513885012
• Sum of all divisors σ(n): 52086928320
• Sum of proper divisors (its aliquot sum) s(n): 33573043308
• 18513885012 is an abundant number, because the sum of its proper divisors (33573043308) is greater than itself. Its abundance is 15059158296

Bases of 18513885012

• Binary: 10001001111100000110111011101010100₂
• Hexadecimal: 0x44F837754
• Base-36: 8I6OT3O

Squares and roots of 18513885012

• 18513885012 squared (18513885012²) is 342763938237558240144
• 18513885012 cubed (18513885012³) is 6345892138790423197679098321728
• The square root of 18513885012 is 136065.7378328579
• The cube root of 18513885012 is 2645.4477445473

Scales and comparisons

• 18,513,885,012 seconds is equal to 588 years, 35 weeks, 4 days, 1 hour, 50 minutes, 12 seconds.
• To count from 1 to 18,513,885,012 would take you about one thousand, one hundred seventy-seven 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 18513885012 cubic inches would be around 220.5 feet tall.

Recreational maths with 18513885012

• 18513885012 backwards is 21058831581
• 18513885012 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18513885012's digits is 42
• More coming soon!