149491520

Names of 149491520

• Cardinal: 149491520 can be written as One hundred forty-nine million, four hundred ninety-one thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.4949152 × 10⁸

Factors of 149491520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 306

Divisors of 149491520

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 32 40 58 64 80 89 116 145 160 178 181 232 290 320 356 362 445 464 580 712 724 890 905 928 1160 1424 1448 1780 1810 1856 2320 2581 2848 2896 3560 3620 4640 5162 5249 5696 5792 7120 7240 9280 10324 10498 11584 12905 14240 14480 16109 20648 20996 25810 26245 28480 28960 32218 41296 41992 51620 52490 57920 64436 80545 82592 83984 103240 104980 128872 161090 165184 167968 206480 209960 257744 322180 335936 412960 419920 467161 515488 644360 825920 839840 934322 1030976 1288720 1679680 1868644 2335805 2577440 3737288 4671610 5154880 7474576 9343220 14949152 18686440 29898304 37372880 74745760 149491520
• Sum of all divisors σ(n): 374446800
• Sum of proper divisors (its aliquot sum) s(n): 224955280
• 149491520 is an abundant number, because the sum of its proper divisors (224955280) is greater than itself. Its abundance is 75463760

Bases of 149491520

• Binary: 1000111010010000111101000000₂
• Hexadecimal: 0x8E90F40
• Base-36: 2H04E8

Squares and roots of 149491520

• 149491520 squared (149491520²) is 22347714551910400
• 149491520 cubed (149491520³) is 3340793816891204599808000
• The square root of 149491520 is 12226.6724827321
• The cube root of 149491520 is 530.7282264329

Scales and comparisons

• 149,491,520 seconds is equal to 4 years, 39 weeks, 1 day, 5 hours, 25 minutes, 20 seconds.
• To count from 1 to 149,491,520 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 149491520 cubic inches would be around 44.2 feet tall.

Recreational maths with 149491520

• 149491520 backwards is 025194941
• The number of decimal digits it has is: 9
• The sum of 149491520's digits is 35
• More coming soon!