18904816242

Names of 18904816242

• Cardinal: 18904816242 can be written as Eighteen billion, nine hundred four million, eight hundred sixteen thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.8904816242 × 10¹⁰

Factors of 18904816242

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1009

Divisors of 18904816242

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 13 18 26 31 39 62 78 93 117 169 186 234 279 307 338 403 507 558 614 653 806 921 1014 1209 1306 1521 1842 1959 2418 2763 3042 3627 3918 3991 5239 5526 5877 7254 7982 8489 9517 10478 11754 11973 15717 16978 19034 20243 23946 25467 28551 31434 35919 40486 47151 50934 51883 57102 60729 71838 76401 85653 94302 103766 110357 121458 123721 152802 155649 171306 182187 200471 220714 247442 263159 311298 331071 364374 371163 400942 466947 526318 601413 662142 742326 789477 933894 993213 1113489 1202826 1578954 1608373 1804239 1986426 2226978 2368431 2606123 3216746 3421067 3608478 4736862 4825119 5212246 6214601 6842134 7818369 9650238 10263201 12429202 14475357 15636738 18643803 20526402 23455107 28950714 30789603 33879599 37287606 46910214 55931409 61579206 67759198 80789813 101638797 111862818 161579626 203277594 242369439 304916391 484738878 609832782 727108317 1050267569 1454216634 2100535138 3150802707 6301605414 9452408121 18904816242
• Sum of all divisors σ(n): 46003845888
• Sum of proper divisors (its aliquot sum) s(n): 27099029646
• 18904816242 is an abundant number, because the sum of its proper divisors (27099029646) is greater than itself. Its abundance is 8194213404

Bases of 18904816242

• Binary: 10001100110110100001001101001110010₂
• Hexadecimal: 0x466D09A72
• Base-36: 8ONFTKI

Squares and roots of 18904816242

• 18904816242 squared (18904816242²) is 357392077143787002564
• 18904816242 cubed (18904816242³) is 6756431544749981495460402844488
• The square root of 18904816242 is 137494.7862356969
• The cube root of 18904816242 is 2663.9382484739

Scales and comparisons

• 18,904,816,242 seconds is equal to 601 years, 5 weeks, 6 days, 17 hours, 50 minutes, 42 seconds.
• To count from 1 to 18,904,816,242 would take you about one thousand, two hundred two 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 18904816242 cubic inches would be around 222 feet tall.

Recreational maths with 18904816242

• 18904816242 backwards is 24261840981
• The number of decimal digits it has is: 11
• The sum of 18904816242's digits is 45
• More coming soon!