18133393712

Names of 18133393712

• Cardinal: 18133393712 can be written as Eighteen billion, one hundred thirty-three million, three hundred ninety-three thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8133393712 × 10¹⁰

Factors of 18133393712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8304

Divisors of 18133393712

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 53 56 106 112 212 371 389 424 742 778 848 1484 1556 2723 2968 3112 5446 5936 6224 7853 10892 15706 20617 21784 31412 41234 43568 54971 62824 82468 109942 125648 144319 164936 219884 288638 329872 416209 439768 577276 832418 879536 1154552 1664836 2309104 2913463 3054817 3329672 5826926 6109634 6659344 11653852 12219268 21383719 23307704 24438536 42767438 46615408 48877072 85534876 161905301 171069752 323810602 342139504 647621204 1133337107 1295242408 2266674214 2590484816 4533348428 9066696856 18133393712
• Sum of all divisors σ(n): 41020499520
• Sum of proper divisors (its aliquot sum) s(n): 22887105808
• 18133393712 is an abundant number, because the sum of its proper divisors (22887105808) is greater than itself. Its abundance is 4753712096

Bases of 18133393712

• Binary: 10000111000110101011010000100110000₂
• Hexadecimal: 0x438D5A130
• Base-36: 8BW5K4W

Squares and roots of 18133393712

• 18133393712 squared (18133393712²) is 328819967514401138944
• 18133393712 cubed (18133393712³) is 5962621931305685882372767920128
• The square root of 18133393712 is 134660.2900338477
• The cube root of 18133393712 is 2627.1993642757

Scales and comparisons

• 18,133,393,712 seconds is equal to 576 years, 30 weeks, 3 days, 5 hours, 48 minutes, 32 seconds.
• To count from 1 to 18,133,393,712 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 18133393712 cubic inches would be around 218.9 feet tall.

Recreational maths with 18133393712

• 18133393712 backwards is 21739333181
• The number of decimal digits it has is: 11
• The sum of 18133393712's digits is 41
• More coming soon!