142191000

Names of 142191000

• Cardinal: 142191000 can be written as One hundred forty-two million, one hundred ninety-one thousand.

Scientific notation

• Scientific notation: 1.42191 × 10⁸

Factors of 142191000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 115

Divisors of 142191000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 28 30 35 36 37 40 42 45 50 56 60 61 63 70 72 74 75 84 90 100 105 111 120 122 125 126 140 148 150 168 175 180 183 185 200 210 222 225 244 250 252 259 280 296 300 305 315 333 350 360 366 370 375 420 427 444 450 488 500 504 518 525 549 555 600 610 630 666 700 732 740 750 777 840 854 875 888 900 915 925 1000 1036 1050 1098 1110 1125 1220 1260 1281 1295 1332 1400 1464 1480 1500 1525 1554 1575 1665 1708 1750 1800 1830 1850 2072 2100 2135 2196 2220 2250 2257 2331 2440 2520 2562 2590 2625 2664 2745 2775 3000 3050 3108 3150 3330 3416 3500 3660 3700 3843 3885 4200 4270 4392 4440 4500 4514 4575 4625 4662 5124 5180 5250 5490 5550 6100 6216 6300 6405 6475 6660 6771 7000 7320 7400 7625 7686 7770 7875 8325 8540 9000 9028 9150 9250 9324 10248 10360 10500 10675 10980 11100 11285 11655 12200 12600 12810 12950 13320 13542 13725 13875 15250 15372 15540 15750 15799 16650 17080 18056 18300 18500 18648 19215 19425 20313 21000 21350 21960 22200 22570 22875 23310 25620 25900 27084 27450 27750 30500 30744 31080 31500 31598 32025 32375 33300 33855 36600 37000 38430 38850 40626 41625 42700 45140 45750 46620 47397 51240 51800 53375 54168 54900 55500 56425 58275 61000 63000 63196 64050 64750 66600 67710 68625 76860 77700 78995 81252 83250 85400 90280 91500 93240 94794 96075 97125 101565 106750 109800 111000 112850 116550 126392 128100 129500 135420 137250 142191 153720 155400 157990 160125 162504 166500 169275 183000 189588 192150 194250 203130 213500 225700 233100 236985 256200 259000 270840 274500 282125 284382 291375 315980 320250 333000 338550 379176 384300 388500 394975 406260 427000 451400 466200 473970 480375 507825 549000 564250 568764 582750 631960 640500 677100 710955 768600 777000 789950 812520 846375 947940 960750 1015650 1128500 1137528 1165500 1184925 1281000 1354200 1421910 1579900 1692750 1895880 1921500 1974875 2031300 2257000 2331000 2369850 2539125 2843820 3159800 3385500 3554775 3843000 3949750 4062600 4739700 5078250 5687640 5924625 6771000 7109550 7899500 9479400 10156500 11849250 14219100 15799000 17773875 20313000 23698500 28438200 35547750 47397000 71095500 142191000
• Sum of all divisors σ(n): 573356160
• Sum of proper divisors (its aliquot sum) s(n): 431165160
• 142191000 is an abundant number, because the sum of its proper divisors (431165160) is greater than itself. Its abundance is 288974160

Bases of 142191000

• Binary: 1000011110011010100110011000₂
• Hexadecimal: 0x879A998
• Base-36: 2CNNA0

Squares and roots of 142191000

• 142191000 squared (142191000²) is 20218280481000000
• 142191000 cubed (142191000³) is 2874857519873871000000000
• The square root of 142191000 is 11924.3867766861
• The cube root of 142191000 is 521.9441522143

Scales and comparisons

• 142,191,000 seconds is equal to 4 years, 27 weeks, 17 hours, 30 minutes.
• To count from 1 to 142,191,000 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 142191000 cubic inches would be around 43.5 feet tall.

Recreational maths with 142191000

• 142191000 backwards is 000191241
• 142191000 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142191000's digits is 18
• More coming soon!