18428511456

Names of 18428511456

• Cardinal: 18428511456 can be written as Eighteen billion, four hundred twenty-eight million, five hundred eleven thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8428511456 × 10¹⁰

Factors of 18428511456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 791

Divisors of 18428511456

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 167 288 334 501 619 668 1002 1238 1336 1503 1857 2004 2476 2672 3006 3714 4008 4952 5344 5571 6012 7428 8016 9904 11142 12024 14856 16032 19808 22284 24048 29712 44568 48096 59424 89136 103373 178272 206746 310119 383161 413492 620238 766322 826984 930357 1149483 1240476 1532644 1653968 1860714 2298966 2480952 3065288 3307936 3448449 3721428 4597932 4961904 6130576 6896898 7442856 9195864 9923808 12261152 13793796 14885712 18391728 27587592 29771424 36783456 55175184 63987887 110350368 127975774 191963661 255951548 383927322 511903096 575890983 767854644 1023806192 1151781966 1535709288 2047612384 2303563932 3071418576 4607127864 6142837152 9214255728 18428511456
• Sum of all divisors σ(n): 52805195352
• Sum of proper divisors (its aliquot sum) s(n): 34376683896
• 18428511456 is an abundant number, because the sum of its proper divisors (34376683896) is greater than itself. Its abundance is 15948172440

Bases of 18428511456

• Binary: 10001001010011011001100010011100000₂
• Hexadecimal: 0x44A6CC4E0
• Base-36: 8GRUYG0

Squares and roots of 18428511456

• 18428511456 squared (18428511456²) is 339610034483923239936
• 18428511456 cubed (18428511456³) is 6258507411059534474985212706816
• The square root of 18428511456 is 135751.6536031883
• The cube root of 18428511456 is 2641.3751375811

Scales and comparisons

• 18,428,511,456 seconds is equal to 585 years, 50 weeks, 2 days, 22 hours, 57 minutes, 36 seconds.
• To count from 1 to 18,428,511,456 would take you about one thousand, one hundred seventy-one 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 18428511456 cubic inches would be around 220.1 feet tall.

Recreational maths with 18428511456

• 18428511456 backwards is 65411582481
• The number of decimal digits it has is: 11
• The sum of 18428511456's digits is 45
• More coming soon!