142257780

Names of 142257780

• Cardinal: 142257780 can be written as One hundred forty-two million, two hundred fifty-seven thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 1.4225778 × 10⁸

Factors of 142257780

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 144

Divisors of 142257780

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 127 140 147 180 196 210 245 252 254 294 315 381 420 441 490 508 588 630 635 735 762 882 889 980 1143 1260 1270 1470 1524 1764 1778 1905 2205 2286 2540 2667 2940 3556 3810 4410 4445 4572 5334 5715 6223 7620 8001 8820 8890 10668 11430 12446 13335 16002 16129 17780 18669 22860 24892 26670 31115 32004 32258 37338 40005 48387 53340 56007 62230 64516 74676 80010 80645 93345 96774 112014 112903 124460 145161 160020 161290 186690 193548 224028 225806 241935 280035 290322 322580 338709 373380 451612 483870 560070 564515 580644 677418 725805 790321 967740 1016127 1120140 1129030 1354836 1451610 1580642 1693545 2032254 2258060 2370963 2903220 3161284 3387090 3951605 4064508 4741926 5080635 6774180 7112889 7903210 9483852 10161270 11854815 14225778 15806420 20322540 23709630 28451556 35564445 47419260 71128890 142257780
• Sum of all divisors σ(n): 505950354
• Sum of proper divisors (its aliquot sum) s(n): 363692574
• 142257780 is an abundant number, because the sum of its proper divisors (363692574) is greater than itself. Its abundance is 221434794

Bases of 142257780

• Binary: 1000011110101010111001110100₂
• Hexadecimal: 0x87AAE74
• Base-36: 2CP2T0

Squares and roots of 142257780

• 142257780 squared (142257780²) is 20237275970528400
• 142257780 cubed (142257780³) is 2878909952814715610952000
• The square root of 142257780 is 11927.1865919839
• The cube root of 142257780 is 522.0258497791

Scales and comparisons

• 142,257,780 seconds is equal to 4 years, 27 weeks, 1 day, 12 hours, 3 minutes.
• To count from 1 to 142,257,780 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 142257780 cubic inches would be around 43.5 feet tall.

Recreational maths with 142257780

• 142257780 backwards is 087752241
• 142257780 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142257780's digits is 36
• More coming soon!