1809400064

Names of 1809400064

• Cardinal: 1809400064 can be written as One billion, eight hundred nine million, four hundred thousand and sixty-four.

Scientific notation

• Scientific notation: 1.809400064 × 10⁹

Factors of 1809400064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 487

Divisors of 1809400064

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 16 23 31 32 46 62 64 92 124 128 184 248 256 368 431 496 529 713 736 862 992 1058 1426 1472 1724 1984 2116 2852 2944 3448 3968 4232 5704 5888 6896 7936 8464 9913 11408 13361 13792 16399 16928 19826 22816 26722 27584 32798 33856 39652 45632 53444 55168 65596 67712 79304 91264 106888 110336 131192 135424 158608 182528 213776 227999 262384 307303 317216 427552 455998 524768 614606 634432 855104 911996 1049536 1229212 1268864 1710208 1823992 2099072 2458424 2537728 3420416 3647984 4198144 4916848 7067969 7295968 9833696 14135938 14591936 19667392 28271876 29183872 39334784 56543752 58367744 78669568 113087504 226175008 452350016 904700032 1809400064
• Sum of all divisors σ(n): 3906427392
• Sum of proper divisors (its aliquot sum) s(n): 2097027328
• 1809400064 is an abundant number, because the sum of its proper divisors (2097027328) is greater than itself. Its abundance is 287627264

Bases of 1809400064

• Binary: 1101011110110010100000100000000₂
• Hexadecimal: 0x6BD94100
• Base-36: TX9Q0W

Squares and roots of 1809400064

• 1809400064 squared (1809400064²) is 3273928591603204096
• 1809400064 cubed (1809400064³) is 5923846603178267353907462144
• The square root of 1809400064 is 42537.0434327539
• The cube root of 1809400064 is 1218.5542454689

Scales and comparisons

• 1,809,400,064 seconds is equal to 57 years, 27 weeks, 5 days, 3 hours, 7 minutes, 44 seconds.
• To count from 1 to 1,809,400,064 would take you about one hundred fifteen 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 1809400064 cubic inches would be around 101.5 feet tall.

Recreational maths with 1809400064

• 1809400064 backwards is 4600049081
• 1809400064 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1809400064's digits is 32
• More coming soon!