149499980

Names of 149499980

• Cardinal: 149499980 can be written as One hundred forty-nine million, four hundred ninety-nine thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.4949998 × 10⁸

Factors of 149499980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 101

Divisors of 149499980

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 31 35 37 38 49 62 70 74 76 95 98 124 133 140 148 155 185 190 196 217 245 259 266 310 343 370 380 434 490 518 532 589 620 665 686 703 740 868 931 980 1036 1085 1147 1178 1295 1330 1372 1406 1519 1715 1813 1862 2170 2294 2356 2590 2660 2812 2945 3038 3430 3515 3626 3724 4123 4340 4588 4655 4921 5180 5735 5890 6076 6517 6860 7030 7252 7595 8029 8246 9065 9310 9842 10633 11470 11780 12691 13034 14060 15190 16058 16492 18130 18620 19684 20615 21266 21793 22940 24605 25382 26068 28861 30380 32116 32585 34447 36260 40145 41230 42532 43586 49210 50764 53165 56203 57722 63455 65170 68894 80290 82460 87172 98420 106330 108965 112406 115444 126910 130340 137788 144305 152551 160580 172235 202027 212660 217930 224812 241129 253820 281015 288610 305102 344470 393421 404054 435860 482258 562030 577220 610204 688940 762755 786842 808108 964516 1010135 1067857 1124060 1205645 1525510 1573684 1967105 2020270 2135714 2411290 3051020 3934210 4040540 4271428 4822580 5339285 7474999 7868420 10678570 14949998 21357140 29899996 37374995 74749990 149499980
• Sum of all divisors σ(n): 408576000
• Sum of proper divisors (its aliquot sum) s(n): 259076020
• 149499980 is an abundant number, because the sum of its proper divisors (259076020) is greater than itself. Its abundance is 109576040

Bases of 149499980

• Binary: 1000111010010011000001001100₂
• Hexadecimal: 0x8E9304C
• Base-36: 2H0AX8

Squares and roots of 149499980

• 149499980 squared (149499980²) is 22350244020000400
• 149499980 cubed (149499980³) is 3341361033985179399992000
• The square root of 149499980 is 12227.0184427767
• The cube root of 149499980 is 530.7382378729

Scales and comparisons

• 149,499,980 seconds is equal to 4 years, 39 weeks, 1 day, 7 hours, 46 minutes, 20 seconds.
• To count from 1 to 149,499,980 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 149499980 cubic inches would be around 44.2 feet tall.

Recreational maths with 149499980

• 149499980 backwards is 089994941
• The number of decimal digits it has is: 9
• The sum of 149499980's digits is 53
• More coming soon!