18040445874

Names of 18040445874

• Cardinal: 18040445874 can be written as Eighteen billion, forty million, four hundred forty-five thousand, eight hundred seventy-four.

Scientific notation

• Scientific notation: 1.8040445874 × 10¹⁰

Factors of 18040445874

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 183

Divisors of 18040445874

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 121 162 167 198 242 243 297 334 363 486 501 594 726 891 1002 1089 1331 1503 1782 1837 2178 2662 2673 3006 3267 3674 3993 4509 5346 5511 6534 7986 9018 9801 11022 11979 13527 16533 19602 20207 23958 27054 27889 29403 33066 35937 40414 40581 49599 55778 58806 60621 71874 81162 83667 99198 107811 121242 148797 167334 181863 215622 222277 251001 297594 306779 323433 363726 444554 446391 502002 545589 613558 646866 666831 753003 892782 920337 1091178 1333662 1506006 1636767 1840674 2000493 2259009 2761011 3273534 3374569 4000986 4518018 4910301 5522022 6001479 6749138 6777027 8283033 9820602 10123707 12002958 13554054 16566066 18004437 20247414 24849099 30371121 36008874 37120259 49698198 54013311 60742242 74240518 74547297 91113363 108026622 111360777 149094594 182226726 222721554 273340089 334082331 546680178 668164662 820020267 1002246993 1640040534 2004493986 3006740979 6013481958 9020222937 18040445874
• Sum of all divisors σ(n): 44854389216
• Sum of proper divisors (its aliquot sum) s(n): 26813943342
• 18040445874 is an abundant number, because the sum of its proper divisors (26813943342) is greater than itself. Its abundance is 8773497468

Bases of 18040445874

• Binary: 10000110011010010110101101110110010₂
• Hexadecimal: 0x4334B5BB2
• Base-36: 8ACTD4I

Squares and roots of 18040445874

• 18040445874 squared (18040445874²) is 325457687332723623876
• 18040445874 cubed (18040445874³) is 5871401792603215965536112087624
• The square root of 18040445874 is 134314.7269438463
• The cube root of 18040445874 is 2622.7028550013

Scales and comparisons

• 18,040,445,874 seconds is equal to 573 years, 32 weeks, 5 days, 10 hours, 57 minutes, 54 seconds.
• To count from 1 to 18,040,445,874 would take you about one thousand, one hundred forty-seven 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 18040445874 cubic inches would be around 218.6 feet tall.

Recreational maths with 18040445874

• 18040445874 backwards is 47854404081
• The number of decimal digits it has is: 11
• The sum of 18040445874's digits is 45
• More coming soon!