142245180

Names of 142245180

• Cardinal: 142245180 can be written as One hundred forty-two million, two hundred forty-five thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.4224518 × 10⁸

Factors of 142245180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 339

Divisors of 142245180

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 54 55 60 63 66 70 77 84 90 99 105 108 110 121 126 132 135 140 154 165 180 189 198 210 220 231 242 252 270 297 308 311 315 330 363 378 385 396 420 462 484 495 540 594 605 622 630 660 693 726 756 770 847 924 933 945 990 1089 1155 1188 1210 1244 1260 1386 1452 1485 1540 1555 1694 1815 1866 1890 1980 2079 2177 2178 2310 2420 2541 2772 2799 2970 3110 3267 3388 3421 3465 3630 3732 3780 4158 4235 4354 4356 4620 4665 5082 5445 5598 5940 6220 6531 6534 6842 6930 7260 7623 8316 8397 8470 8708 9330 10164 10263 10395 10885 10890 11196 12705 13062 13068 13684 13860 13995 15246 16335 16794 16940 17105 18660 19593 20526 20790 21770 21780 22869 23947 25410 26124 27990 30492 30789 32655 32670 33588 34210 37631 38115 39186 41052 41580 41985 43540 45738 47894 50820 51315 55980 58779 61578 65310 65340 68420 71841 75262 76230 78372 83970 91476 92367 95788 97965 102630 112893 114345 117558 119735 123156 130620 143682 150524 152460 153945 167940 184734 188155 195930 205260 215523 225786 228690 235116 239470 263417 287364 293895 307890 338679 359205 369468 376310 391860 431046 451572 457380 461835 478940 526834 564465 587790 615780 646569 677358 718410 752620 790251 862092 923670 1016037 1053668 1077615 1128930 1175580 1293138 1317085 1354716 1436820 1580502 1693395 1847340 2032074 2155230 2257860 2370753 2586276 2634170 3161004 3232845 3386790 3951255 4064148 4310460 4741506 5080185 5268340 6465690 6773580 7112259 7902510 9483012 10160370 11853765 12931380 14224518 15805020 20320740 23707530 28449036 35561295 47415060 71122590 142245180
• Sum of all divisors σ(n): 557706240
• Sum of proper divisors (its aliquot sum) s(n): 415461060
• 142245180 is an abundant number, because the sum of its proper divisors (415461060) is greater than itself. Its abundance is 273215880

Bases of 142245180

• Binary: 1000011110100111110100111100₂
• Hexadecimal: 0x87A7D3C
• Base-36: 2COT30

Squares and roots of 142245180

• 142245180 squared (142245180²) is 20233691233232400
• 142245180 cubed (142245180³) is 2878145051535564719832000
• The square root of 142245180 is 11926.6583752533
• The cube root of 142245180 is 522.0104371011

Scales and comparisons

• 142,245,180 seconds is equal to 4 years, 27 weeks, 1 day, 8 hours, 33 minutes.
• To count from 1 to 142,245,180 would take you about six 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 142245180 cubic inches would be around 43.5 feet tall.

Recreational maths with 142245180

• 142245180 backwards is 081542241
• 142245180 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142245180's digits is 27
• More coming soon!