149499020

Names of 149499020

• Cardinal: 149499020 can be written as One hundred forty-nine million, four hundred ninety-nine thousand and twenty.

Scientific notation

• Scientific notation: 1.4949902 × 10⁸

Factors of 149499020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 669

Divisors of 149499020

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 17 20 22 34 44 55 68 71 85 110 142 170 187 220 284 340 355 374 563 710 748 781 935 1126 1207 1420 1562 1870 2252 2414 2815 3124 3740 3905 4828 5630 6035 6193 7810 9571 11260 12070 12386 13277 15620 19142 24140 24772 26554 30965 38284 39973 47855 53108 61930 66385 79946 95710 105281 123860 132770 159892 191420 199865 210562 265540 399730 421124 439703 526405 679541 799460 879406 1052810 1359082 1758812 2105620 2198515 2718164 3397705 4397030 6795410 7474951 8794060 13590820 14949902 29899804 37374755 74749510 149499020
• Sum of all divisors σ(n): 368395776
• Sum of proper divisors (its aliquot sum) s(n): 218896756
• 149499020 is an abundant number, because the sum of its proper divisors (218896756) is greater than itself. Its abundance is 69397736

Bases of 149499020

• Binary: 1000111010010010110010001100₂
• Hexadecimal: 0x8E92C8C
• Base-36: 2H0A6K

Squares and roots of 149499020

• 149499020 squared (149499020²) is 22349956980960400
• 149499020 cubed (149499020³) is 3341296665695738458808000
• The square root of 149499020 is 12226.9791853917
• The cube root of 149499020 is 530.7371018419

Scales and comparisons

• 149,499,020 seconds is equal to 4 years, 39 weeks, 1 day, 7 hours, 30 minutes, 20 seconds.
• To count from 1 to 149,499,020 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 149499020 cubic inches would be around 44.2 feet tall.

Recreational maths with 149499020

• 149499020 backwards is 020994941
• The number of decimal digits it has is: 9
• The sum of 149499020's digits is 38
• More coming soon!