155844344385

Names of 155844344385

• Cardinal: 155844344385 can be written as One hundred fifty-five billion, eight hundred forty-four million, three hundred forty-four thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 1.55844344385 × 10¹¹

Factors of 155844344385

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10019

Divisors of 155844344385

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 15 19 27 45 57 95 135 171 285 331 361 513 855 993 1083 1655 1805 2565 2979 3249 4965 5415 6289 8937 9661 9747 14895 16245 18867 28983 31445 44685 48305 48735 56601 86949 94335 119491 144915 169803 183559 260847 283005 358473 434745 550677 597455 849015 917795 1075419 1304235 1652031 1792365 2753385 3197791 3226257 3487621 4956093 5377095 8260155 9593373 10462863 15988955 16131285 17438105 24780465 28780119 31388589 47966865 52314315 60758029 86340357 94165767 143900595 156942945 182274087 303790145 431701785 470828835 546822261 911370435 1154402551 1640466783 2734111305 3463207653 5772012755 8202333915 10389622959 17316038265 31168868877 51948114795 155844344385
• Sum of all divisors σ(n): 293319768960
• Sum of proper divisors (its aliquot sum) s(n): 137475424575
• 155844344385 is a deficient number, because the sum of its proper divisors (137475424575) is less than itself. Its deficiency is 18368919810

Bases of 155844344385

• Binary: 10010001001001000010111111101001000001₂
• Hexadecimal: 0x24490BFA41
• Base-36: 1ZLDP5Q9

Squares and roots of 155844344385

• 155844344385 squared (155844344385²) is 24287459676790481028225
• 155844344385 cubed (155844344385³) is 3785063230106536516852505805266625
• The square root of 155844344385 is 394771.2557735175
• The cube root of 155844344385 is 5381.4215733759

Scales and comparisons

• 155,844,344,385 seconds is equal to 4,955 years, 19 weeks, 23 hours, 39 minutes, 45 seconds.
• To count from 1 to 155,844,344,385 would take you about nine thousand, nine hundred ten 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 155844344385 cubic inches would be around 448.5 feet tall.

Recreational maths with 155844344385

• 155844344385 backwards is 583443448551
• The number of decimal digits it has is: 12
• The sum of 155844344385's digits is 54
• More coming soon!