18497989189479969

Names of 18497989189479969

• Cardinal: 18497989189479969 can be written as Eighteen quadrillion, four hundred ninety-seven trillion, nine hundred eighty-nine billion, one hundred eighty-nine million, four hundred seventy-nine thousand, nine hundred sixty-nine.

Scientific notation

• Scientific notation: 1.8497989189479969 × 10¹⁶

Factors of 18497989189479969

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1060

Divisors of 18497989189479969

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 9 13 39 117 169 457 507 587 1371 1521 1761 2197 4113 5283 5941 6591 7631 17823 19773 22893 28561 53469 68679 77233 85683 99203 208849 231699 257049 268259 297609 344569 626547 695097 804777 892827 1004029 1033707 1289639 1879641 2414331 2715037 3012087 3101121 3487367 3868917 4479397 8145111 9036261 10462101 11606751 13052377 13438191 16765307 24435333 31386303 35295481 39157131 40314573 45335771 50295921 58232161 105886443 117471393 122594363 136007313 150887763 157468033 174696483 317659329 367783089 408021939 458841253 472404099 524089449 589365023 757018093 1103349267 1376523759 1417212297 1593726719 1768095069 2047084429 2271054279 4129571277 4781180157 5304285207 5964936289 6141253287 6813162837 7661745299 9841235209 14343540471 17894808867 18423759861 20718447347 22985235897 26612097577 29523705627 53684426601 62155342041 68955707691 71962891081 79836292731 88571116881 186466026123 215888673243 239508878193 269339815511 345957268501 647666019729 808019446533 935517584053 1037871805503 2424058339599 2806552752159 3113615416509 3501417601643 4497444490513 8419658256477 10504252804929 12161728592689 13492333471539 31512758414787 36485185778067 40477000414617 109455557334201 158102471704957 474307415114871 1422922245344613 2055332132164441 6165996396493323 18497989189479969
• Sum of all divisors σ(n): 29058830831852367
• Sum of proper divisors (its aliquot sum) s(n): 10560841642372398
• 18497989189479969 is a deficient number, because the sum of its proper divisors (10560841642372398) is less than itself. Its deficiency is 7937147547107571

Bases of 18497989189479969

• Binary: 1000001101101111101001010111010101100101010111000100001₂
• Hexadecimal: 0x41B7D2BAB2AE21
• Base-36: 524ZMX3HLI9

Squares and roots of 18497989189479969

• 18497989189479969 squared (18497989189479969²) is 342175604054117800467340652240961
• 18497989189479969 cubed (18497989189479969³) is 6329560624696849326479577399306014226486070810209
• 18497989189479969 is a perfect square number. Its square root is 136007313
• The cube root of 18497989189479969 is 264469.0410100611

Scales and comparisons

• 18,497,989,189,479,969 seconds is equal to 588,178,838 years, 9 weeks, 5 days, 11 hours, 6 minutes, 9 seconds.
• To count from 1 to 18,497,989,189,479,969 would take you about one billion, seven hundred sixty-four million, five hundred thirty-six thousand, five hundred fourteen 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 18497989189479969 cubic inches would be around 22039.1 feet tall.

Recreational maths with 18497989189479969

• 18497989189479969 backwards is 96997498198979481
• 18497989189479969 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18497989189479969's digits is 117
• More coming soon!