195138720

Names of 195138720

• Cardinal: 195138720 can be written as One hundred ninety-five million, one hundred thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.9513872 × 10⁸

Factors of 195138720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 256

Divisors of 195138720

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 96 105 108 112 120 126 135 140 144 160 162 168 180 189 210 216 224 239 240 243 252 270 280 288 315 324 336 360 378 405 420 432 478 480 486 504 540 560 567 630 648 672 717 720 729 756 810 840 864 945 956 972 1008 1080 1120 1134 1195 1215 1260 1296 1434 1440 1458 1512 1620 1673 1680 1701 1890 1912 1944 2016 2151 2160 2268 2390 2430 2520 2592 2835 2868 2916 3024 3240 3346 3360 3402 3585 3645 3780 3824 3888 4302 4320 4536 4780 4860 5019 5040 5103 5670 5736 5832 6048 6453 6480 6692 6804 7170 7290 7560 7648 7776 8365 8505 8604 9072 9560 9720 10038 10080 10206 10755 11340 11472 11664 12906 12960 13384 13608 14340 14580 15057 15120 16730 17010 17208 18144 19120 19359 19440 20076 20412 21510 22680 22944 23328 25095 25515 25812 26768 27216 28680 29160 30114 30240 32265 33460 34020 34416 38240 38718 38880 40152 40824 43020 45171 45360 50190 51030 51624 53536 54432 57360 58077 58320 60228 64530 66920 68040 68832 75285 77436 80304 81648 86040 90342 90720 96795 100380 102060 103248 114720 116154 116640 120456 129060 133840 135513 136080 150570 154872 160608 163296 172080 174231 180684 193590 200760 204120 206496 225855 232308 240912 258120 267680 271026 272160 290385 301140 309744 344160 348462 361368 387180 401520 406539 408240 451710 464616 481824 516240 542052 580770 602280 619488 677565 696924 722736 774360 803040 813078 816480 871155 903420 929232 1032480 1084104 1161540 1204560 1219617 1355130 1393848 1445472 1548720 1626156 1742310 1806840 1858464 2032695 2168208 2323080 2409120 2439234 2710260 2787696 3097440 3252312 3484620 3613680 4065390 4336416 4646160 4878468 5420520 5575392 6098085 6504624 6969240 7227360 8130780 9292320 9756936 10841040 12196170 13009248 13938480 16261560 19513872 21682080 24392340 27876960 32523120 39027744 48784680 65046240 97569360 195138720
• Sum of all divisors σ(n): 793255680
• Sum of proper divisors (its aliquot sum) s(n): 598116960
• 195138720 is an abundant number, because the sum of its proper divisors (598116960) is greater than itself. Its abundance is 402978240

Bases of 195138720

• Binary: 1011101000011001010010100000₂
• Hexadecimal: 0xBA194A0
• Base-36: 386I00

Squares and roots of 195138720

• 195138720 squared (195138720²) is 38079120043238400
• 195138720 cubed (195138720³) is 7430710743963886030848000
• The square root of 195138720 is 13969.2061334921
• The cube root of 195138720 is 580.0264752085

Scales and comparisons

• 195,138,720 seconds is equal to 6 years, 10 weeks, 4 days, 13 hours, 12 minutes.
• To count from 1 to 195,138,720 would take you about nine 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 195138720 cubic inches would be around 48.3 feet tall.

Recreational maths with 195138720

• 195138720 backwards is 027831591
• 195138720 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 195138720's digits is 36
• More coming soon!