155489613312

Names of 155489613312

• Cardinal: 155489613312 can be written as One hundred fifty-five billion, four hundred eighty-nine million, six hundred thirteen thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.55489613312 × 10¹¹

Factors of 155489613312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 9202763

Divisors of 155489613312

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1056 1408 1536 2112 2816 4224 5632 8448 16896 9202747 18405494 27608241 36810988 55216482 73621976 101230217 110432964 147243952 202460434 220865928 294487904 303690651 404920868 441731856 588975808 607381302 809841736 883463712 1177951616 1214762604 1619683472 1766927424 2355903232 2429525208 3239366944 3533854848 4711806464 4859050416 6478733888 7067709696 9718100832 12957467776 14135419392 19436201664 25914935552 38872403328 51829871104 77744806656 155489613312
• Sum of all divisors σ(n): 451891737792
• Sum of proper divisors (its aliquot sum) s(n): 296402124480
• 155489613312 is an abundant number, because the sum of its proper divisors (296402124480) is greater than itself. Its abundance is 140912511168

Bases of 155489613312

• Binary: 10010000110011111001110011011000000000₂
• Hexadecimal: 0x2433E73600
• Base-36: 1ZFII1HC

Squares and roots of 155489613312

• 155489613312 squared (155489613312²) is 24177019847915287609344
• 155489613312 cubed (155489613312³) is 3759275467188897119710163477987328
• The square root of 155489613312 is 394321.7129603695
• The cube root of 155489613312 is 5377.3354285903

Scales and comparisons

• 155,489,613,312 seconds is equal to 4,944 years, 4 weeks, 4 days, 7 hours, 15 minutes, 12 seconds.
• To count from 1 to 155,489,613,312 would take you about nine thousand, eight hundred eighty-eight 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 155489613312 cubic inches would be around 448.1 feet tall.

Recreational maths with 155489613312

• 155489613312 backwards is 213316984551
• 155489613312 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155489613312's digits is 48
• More coming soon!