155424940

Names of 155424940

• Cardinal: 155424940 can be written as One hundred fifty-five million, four hundred twenty-four thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.5542494 × 10⁸

Factors of 155424940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 140

Divisors of 155424940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 19 20 22 38 44 55 76 95 103 110 190 206 209 220 361 380 412 418 515 722 836 1030 1045 1133 1444 1805 1957 2060 2090 2266 3610 3914 3971 4180 4532 5665 6859 7220 7828 7942 9785 11330 13718 15884 19570 19855 21527 22660 27436 34295 37183 39140 39710 43054 68590 74366 75449 79420 86108 107635 137180 148732 150898 185915 215270 301796 371830 377245 409013 430540 706477 743660 754490 818026 1412954 1508980 1636052 2045065 2825908 3532385 4090130 7064770 7771247 8180260 14129540 15542494 31084988 38856235 77712470 155424940
• Sum of all divisors σ(n): 379491840
• Sum of proper divisors (its aliquot sum) s(n): 224066900
• 155424940 is an abundant number, because the sum of its proper divisors (224066900) is greater than itself. Its abundance is 68641960

Bases of 155424940

• Binary: 1001010000111001100010101100₂
• Hexadecimal: 0x94398AC
• Base-36: 2KJANG

Squares and roots of 155424940

• 155424940 squared (155424940²) is 24156911974003600
• 155424940 cubed (155424940³) is 3754586594144791089784000
• The square root of 155424940 is 12466.9539182591
• The cube root of 155424940 is 537.6589787533

Scales and comparisons

• 155,424,940 seconds is equal to 4 years, 48 weeks, 6 days, 21 hours, 35 minutes, 40 seconds.
• To count from 1 to 155,424,940 would take you about seven 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 155424940 cubic inches would be around 44.8 feet tall.

Recreational maths with 155424940

• 155424940 backwards is 049424551
• The number of decimal digits it has is: 9
• The sum of 155424940's digits is 34
• More coming soon!