149184990

Names of 149184990

• Cardinal: 149184990 can be written as One hundred forty-nine million, one hundred eighty-four thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.4918499 × 10⁸

Factors of 149184990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 112

Divisors of 149184990

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 73 81 87 90 135 145 146 162 174 219 243 261 270 290 365 405 435 438 486 522 657 730 783 810 841 870 1095 1215 1305 1314 1566 1682 1971 2117 2190 2349 2430 2523 2610 3285 3915 3942 4205 4234 4698 5046 5913 6351 6570 7047 7569 7830 8410 9855 10585 11745 11826 12615 12702 14094 15138 17739 19053 19710 21170 22707 23490 25230 29565 31755 35235 35478 37845 38106 45414 57159 59130 61393 63510 68121 70470 75690 88695 95265 113535 114318 122786 136242 171477 177390 184179 190530 204363 227070 285795 306965 340605 342954 368358 408726 514431 552537 571590 613930 681210 857385 920895 1021815 1028862 1105074 1657611 1714770 1841790 2043630 2572155 2762685 3315222 4972833 5144310 5525370 8288055 9945666 14918499 16576110 24864165 29836998 49728330 74592495 149184990
• Sum of all divisors σ(n): 422302608
• Sum of proper divisors (its aliquot sum) s(n): 273117618
• 149184990 is an abundant number, because the sum of its proper divisors (273117618) is greater than itself. Its abundance is 123932628

Bases of 149184990

• Binary: 1000111001000110000111011110₂
• Hexadecimal: 0x8E461DE
• Base-36: 2GTJVI

Squares and roots of 149184990

• 149184990 squared (149184990²) is 22256161241300100
• 149184990 cubed (149184990³) is 3320285192221743005499000
• The square root of 149184990 is 12214.1307508967
• The cube root of 149184990 is 530.3652282645

Scales and comparisons

• 149,184,990 seconds is equal to 4 years, 38 weeks, 4 days, 16 hours, 16 minutes, 30 seconds.
• To count from 1 to 149,184,990 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 149184990 cubic inches would be around 44.2 feet tall.

Recreational maths with 149184990

• 149184990 backwards is 099481941
• 149184990 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 149184990's digits is 45
• More coming soon!