20131740

Names of 20131740

• Cardinal: 20131740 can be written as Twenty million, one hundred thirty-one thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.013174 × 10⁷

Factors of 20131740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 70

Divisors of 20131740

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 43 45 51 54 60 68 81 85 86 90 102 108 129 135 153 162 170 172 180 204 215 255 258 270 289 306 324 340 387 405 430 459 510 516 540 578 612 645 731 765 774 810 860 867 918 1020 1156 1161 1290 1377 1445 1462 1530 1548 1620 1734 1836 1935 2193 2295 2322 2580 2601 2754 2890 2924 3060 3468 3483 3655 3870 4335 4386 4590 4644 5202 5508 5780 5805 6579 6885 6966 7310 7740 7803 8670 8772 9180 10404 10965 11610 12427 13005 13158 13770 13932 14620 15606 17340 17415 19737 21930 23220 23409 24854 26010 26316 27540 31212 32895 34830 37281 39015 39474 43860 46818 49708 52020 59211 62135 65790 69660 74562 78030 78948 93636 98685 111843 117045 118422 124270 131580 149124 156060 186405 197370 223686 234090 236844 248540 296055 335529 372810 394740 447372 468180 559215 592110 671058 745620 1006587 1118430 1184220 1342116 1677645 2013174 2236860 3355290 4026348 5032935 6710580 10065870 20131740
• Sum of all divisors σ(n): 68647656
• Sum of proper divisors (its aliquot sum) s(n): 48515916
• 20131740 is an abundant number, because the sum of its proper divisors (48515916) is greater than itself. Its abundance is 28384176

Bases of 20131740

• Binary: 1001100110010111110011100₂
• Hexadecimal: 0x1332F9C
• Base-36: BZHR0

Squares and roots of 20131740

• 20131740 squared (20131740²) is 405286955427600
• 20131740 cubed (20131740³) is 8159131612060032024000
• The square root of 20131740 is 4486.8407593763
• The cube root of 20131740 is 272.0364534477

Scales and comparisons

• 20,131,740 seconds is equal to 33 weeks, 2 days, 9 minutes.
• To count from 1 to 20,131,740 would take you about forty-nine weeks!

  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 20131740 cubic inches would be around 22.7 feet tall.

Recreational maths with 20131740

• 20131740 backwards is 04713102
• 20131740 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20131740's digits is 18
• More coming soon!