18142221825

Names of 18142221825

• Cardinal: 18142221825 can be written as Eighteen billion, one hundred forty-two million, two hundred twenty-one thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 1.8142221825 × 10¹⁰

Factors of 18142221825

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 135

Divisors of 18142221825

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 35 39 45 49 63 65 75 91 105 107 117 147 169 175 195 225 245 273 315 321 325 343 441 455 507 525 535 585 637 735 749 819 845 963 975 1029 1183 1225 1365 1391 1521 1575 1605 1715 1911 2197 2205 2247 2275 2535 2675 2925 3087 3185 3549 3675 3745 4095 4173 4225 4459 4815 5145 5243 5733 5915 6591 6741 6825 6955 7605 8025 8281 8575 9555 9737 10647 10985 11025 11235 12519 12675 13377 15379 15435 15729 15925 17745 18083 18725 19773 20475 20865 22295 24075 24843 25725 26215 28665 29211 29575 32955 33705 34775 36701 38025 40131 41405 46137 47187 47775 48685 53235 54249 54925 56175 57967 62595 66885 68159 74529 76895 77175 78645 87633 88725 90415 98865 104325 107653 110103 111475 124215 126581 131075 138411 143325 146055 162747 164775 168525 173901 183505 200655 204477 207025 230685 235079 235935 243425 266175 271245 289835 312975 322959 330309 334425 340795 372645 379743 384475 393225 438165 452075 477113 494325 521703 538265 550515 613431 621075 632905 692055 705237 730275 753571 813735 869505 886067 917525 968877 1003275 1022385 1139229 1153425 1175395 1179675 1356225 1431339 1449175 1614795 1645553 1651545 1703975 1863225 1898715 2115711 2190825 2260713 2385565 2608515 2658201 2691325 2752575 3067155 3164525 3460275 3526185 3767855 4068675 4294017 4347525 4430335 4844385 4936659 5111925 5696145 5876975 6202469 6782139 7156695 7974603 8073975 8227765 8257725 9493575 10578555 11303565 11518871 11927825 13042575 13291005 14809977 15335775 17630925 18607407 18839275 21470085 22151675 24221925 24683295 28480725 31012345 33910695 34556613 35783475 39873015 41138825 52892775 55822221 56517825 57594355 66455025 74049885 80632097 93037035 103669839 107350425 123416475 155061725 169553475 172783065 199365075 241896291 279111105 287971775 370249425 403160485 465185175 518349195 725688873 863915325 1209481455 1395555525 2015802425 2591745975 3628444365 6047407275 18142221825
• Sum of all divisors σ(n): 41434848000
• Sum of proper divisors (its aliquot sum) s(n): 23292626175
• 18142221825 is an abundant number, because the sum of its proper divisors (23292626175) is greater than itself. Its abundance is 5150404350

Bases of 18142221825

• Binary: 10000111001010111000101011000000001₂
• Hexadecimal: 0x4395C5601
• Base-36: 8C1ERY9

Squares and roots of 18142221825

• 18142221825 squared (18142221825²) is 329140212747506330625
• 18142221825 cubed (18142221825³) is 5971334751192952565790540890625
• The square root of 18142221825 is 134693.0652446517
• The cube root of 18142221825 is 2627.6256395119

Scales and comparisons

• 18,142,221,825 seconds is equal to 576 years, 45 weeks, 10 hours, 3 minutes, 45 seconds.
• To count from 1 to 18,142,221,825 would take you about one thousand, one hundred fifty-three 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 18142221825 cubic inches would be around 219 feet tall.

Recreational maths with 18142221825

• 18142221825 backwards is 52812224181
• The number of decimal digits it has is: 11
• The sum of 18142221825's digits is 36
• More coming soon!