149993220

Names of 149993220

• Cardinal: 149993220 can be written as One hundred forty-nine million, nine hundred ninety-three thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.4999322 × 10⁸

Factors of 149993220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 420

Divisors of 149993220

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 19 20 26 29 30 38 39 52 57 58 60 65 76 78 87 95 114 116 130 145 156 174 190 195 228 247 260 285 290 348 349 377 380 390 435 494 551 570 580 698 741 754 780 870 988 1047 1102 1131 1140 1235 1396 1482 1508 1653 1740 1745 1885 2094 2204 2262 2470 2755 2964 3306 3490 3705 3770 4188 4524 4537 4940 5235 5510 5655 6612 6631 6980 7163 7410 7540 8265 9074 10121 10470 11020 11310 13262 13611 14326 14820 16530 18148 19893 20242 20940 21489 22620 22685 26524 27222 28652 30363 33060 33155 35815 39786 40484 42978 45370 50605 54444 60726 66310 68055 71630 79572 85956 86203 90740 99465 101210 107445 121452 131573 132620 136110 143260 151815 172406 192299 198930 202420 214890 258609 263146 272220 303630 344812 384598 394719 397860 429780 431015 517218 526292 576897 607260 657865 769196 789438 862030 961495 1034436 1153794 1293045 1315730 1578876 1724060 1922990 1973595 2307588 2499887 2586090 2631460 2884485 3845980 3947190 4999774 5172180 5768970 7499661 7894380 9999548 11537940 12499435 14999322 24998870 29998644 37498305 49997740 74996610 149993220
• Sum of all divisors σ(n): 493920000
• Sum of proper divisors (its aliquot sum) s(n): 343926780
• 149993220 is an abundant number, because the sum of its proper divisors (343926780) is greater than itself. Its abundance is 193933560

Bases of 149993220

• Binary: 1000111100001011011100000100₂
• Hexadecimal: 0x8F0B704
• Base-36: 2HAVIC

Squares and roots of 149993220

• 149993220 squared (149993220²) is 22497966045968400
• 149993220 cubed (149993220³) is 3374542370685468334248000
• The square root of 149993220 is 12247.1719184471
• The cube root of 149993220 is 531.3212791095

Scales and comparisons

• 149,993,220 seconds is equal to 4 years, 40 weeks, 47 minutes.
• To count from 1 to 149,993,220 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 149993220 cubic inches would be around 44.3 feet tall.

Recreational maths with 149993220

• 149993220 backwards is 022399941
• 149993220 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 149993220's digits is 39
• More coming soon!