18084312972

Names of 18084312972

• Cardinal: 18084312972 can be written as Eighteen billion, eighty-four million, three hundred twelve thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.8084312972 × 10¹⁰

Factors of 18084312972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 182

Divisors of 18084312972

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 9 11 12 17 18 22 33 34 36 44 51 66 68 99 102 121 132 149 153 187 198 204 242 298 306 363 374 396 447 484 561 596 612 726 748 894 1089 1122 1331 1341 1452 1639 1683 1788 2057 2178 2244 2533 2662 2682 3278 3366 3993 4114 4356 4917 5066 5324 5364 6171 6556 6732 7599 7986 8228 9834 10132 11979 12342 14751 15198 15972 18029 18513 19668 22201 22627 22797 23958 24684 27863 29502 30396 36058 37026 44402 45254 45594 47916 54087 55726 59004 66603 67881 72116 74052 83589 88804 90508 91188 108174 111452 133206 135762 162261 167178 198319 199809 203643 216348 244211 250767 266412 271524 306493 324522 334356 377417 396638 399618 407286 488422 501534 594957 612986 649044 732633 754834 793276 799236 814572 919479 976844 1003068 1132251 1189914 1225972 1465266 1509668 1784871 1838958 2197899 2264502 2379828 2686321 2758437 2930532 3371423 3396753 3569742 3677916 4151587 4395798 4529004 5372642 5516874 6742846 6793506 7139484 8058963 8303174 8791596 10114269 10745284 11033748 12454761 13485692 13587012 16117926 16606348 20228538 24176889 24909522 29549531 30342807 32235852 37364283 40457076 45667457 48353778 49819044 59099062 60685614 74728566 88648593 91334914 96707556 118198124 121371228 137002371 149457132 177297186 182669828 265945779 274004742 354594372 411007113 502342027 531891558 548009484 822014226 1004684054 1063783116 1507026081 1644028452 2009368108 3014052162 4521078243 6028104324 9042156486 18084312972
• Sum of all divisors σ(n): 53598413232
• Sum of proper divisors (its aliquot sum) s(n): 35514100260
• 18084312972 is an abundant number, because the sum of its proper divisors (35514100260) is greater than itself. Its abundance is 17429787288

Bases of 18084312972

• Binary: 10000110101111010001011011110001100₂
• Hexadecimal: 0x435E8B78C
• Base-36: 8B2XL70

Squares and roots of 18084312972

• 18084312972 squared (18084312972²) is 327042375669247472784
• 18084312972 cubed (18084312972³) is 5914336676709069253545908154048
• The square root of 18084312972 is 134477.9274527979
• The cube root of 18084312972 is 2624.8269199623

Scales and comparisons

• 18,084,312,972 seconds is equal to 575 years, 1 week, 2 days, 4 hours, 16 minutes, 12 seconds.
• To count from 1 to 18,084,312,972 would take you about one thousand, one hundred fifty 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 18084312972 cubic inches would be around 218.7 feet tall.

Recreational maths with 18084312972

• 18084312972 backwards is 27921348081
• The number of decimal digits it has is: 11
• The sum of 18084312972's digits is 45
• More coming soon!