18015200189471899188

Names of 18015200189471899188

• Cardinal: 18015200189471899188 can be written as Eighteen quintillion, fifteen quadrillion, two hundred trillion, one hundred eighty-nine billion, four hundred seventy-one million, eight hundred ninety-nine thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8015200189471899188 × 10¹⁹

Factors of 18015200189471899188

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15254159249

Divisors of 18015200189471899188

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 1303 1481 2606 2962 3909 4443 5212 5924 7818 8886 11727 13329 15636 17772 22151 23454 25177 26658 44302 46908 50354 53316 66453 75531 88604 100708 132906 151062 199359 226593 265812 302124 398718 453186 797436 906372 1929743 3859486 5789229 7718972 11578458 17367687 23156916 32805631 34735374 65611262 69470748 98416893 131222524 196833786 295250679 393667572 590501358 1181002716 15254156443 30508312886 45762469329 61016625772 91524938658 137287407987 183049877316 259320659531 274574815974 518641319062 549149631948 777961978593 1037282638124 1555923957186 2333885935779 3111847914372 4667771871558 9335543743116 19876165845229 22591405692083 39752331690458 45182811384166 59628497535687 67774217076249 79504663380916 90365622768332 119256995071374 135548434152498 178885492607061 203322651228747 238513990142748 271096868304996 337894819368893 357770985214122 384053896765411 406645302457494 675789638737786 715541970428244 768107793530822 813290604914988 1013684458106679 1152161690296233 1351579277475572 1536215587061644 2027368916213358 2304323380592466 3041053374320037 3456485070888699 4054737832426716 4608646761184932 6082106748640074 6912970141777398 12164213497280148 13825940283554796 29436601616784149 58873203233568298 88309804850352447 117746406467136596 176619609700704894 264929414551057341 353239219401409788 500422227485330533 529858829102114682 1000844454970661066 1059717658204229364 1501266682455991599 2001688909941322132 3002533364911983198 4503800047367974797 6005066729823966396 9007600094735949594 18015200189471899188
• Sum of all divisors σ(n): 48286740319944287616
• Sum of proper divisors (its aliquot sum) s(n): 30271540130472388428
• 18015200189471899188 is an abundant number, because the sum of its proper divisors (30271540130472388428) is greater than itself. Its abundance is 12256339941000489240

Bases of 18015200189471899188

• Binary: 1111101000000010110110010001111110101011000001011011111000110100₂
• Hexadecimal: 0xFA02D91FAB05BE34
• Base-36: 3SVCVHMLQLID0

Squares and roots of 18015200189471899188

• 18015200189471899188 squared (18015200189471899188²) is 324547437866748352402915781907635059344
• 18015200189471899188 cubed (18015200189471899188³) is 5846787064149664347421245998072783707951653091520765412672
• The square root of 18015200189471899188 is 4244431668.6067522541
• The cube root of 18015200189471899188 is 2621478.8860206799

Scales and comparisons

• 18,015,200,189,471,899,188 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,015,200,189,471,899,188 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 18015200189471899188 cubic inches would be around 218456.6 feet tall.

Recreational maths with 18015200189471899188

• 18015200189471899188 backwards is 88199817498100251081
• The number of decimal digits it has is: 20
• The sum of 18015200189471899188's digits is 90
• More coming soon!