147972420

Names of 147972420

• Cardinal: 147972420 can be written as One hundred forty-seven million, nine hundred seventy-two thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.4797242 × 10⁸

Factors of 147972420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 226

Divisors of 147972420

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 81 85 90 102 108 135 153 162 170 180 199 204 243 255 270 306 324 340 398 405 459 486 510 540 597 612 729 765 796 810 918 972 995 1020 1194 1215 1377 1458 1530 1620 1791 1836 1990 2187 2295 2388 2430 2754 2916 2985 3060 3383 3582 3645 3980 4131 4374 4590 4860 5373 5508 5970 6766 6885 7164 7290 8262 8748 8955 9180 10149 10746 10935 11940 12393 13532 13770 14580 16119 16524 16915 17910 20298 20655 21492 21870 24786 26865 27540 30447 32238 33830 35820 37179 40596 41310 43740 48357 49572 50745 53730 60894 61965 64476 67660 74358 80595 82620 91341 96714 101490 107460 121788 123930 145071 148716 152235 161190 182682 185895 193428 202980 241785 247860 274023 290142 304470 322380 365364 371790 435213 456705 483570 548046 580284 608940 725355 743580 822069 870426 913410 967140 1096092 1370115 1450710 1644138 1740852 1826820 2176065 2466207 2740230 2901420 3288276 4110345 4352130 4932414 5480460 7398621 8220690 8704260 9864828 12331035 14797242 16441380 24662070 29594484 36993105 49324140 73986210 147972420
• Sum of all divisors σ(n): 495936000
• Sum of proper divisors (its aliquot sum) s(n): 347963580
• 147972420 is an abundant number, because the sum of its proper divisors (347963580) is greater than itself. Its abundance is 199991160

Bases of 147972420

• Binary: 1000110100011110000101000100₂
• Hexadecimal: 0x8D1E144
• Base-36: 2G3K90

Squares and roots of 147972420

• 147972420 squared (147972420²) is 21895837080656400
• 147972420 cubed (147972420³) is 3239980000750462696488000
• The square root of 147972420 is 12164.3914767653
• The cube root of 147972420 is 528.9243879289

Scales and comparisons

• 147,972,420 seconds is equal to 4 years, 36 weeks, 4 days, 15 hours, 27 minutes.
• To count from 1 to 147,972,420 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 147972420 cubic inches would be around 44.1 feet tall.

Recreational maths with 147972420

• 147972420 backwards is 024279741
• 147972420 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 147972420's digits is 36
• More coming soon!