31299171390

Names of 31299171390

• Cardinal: 31299171390 can be written as Thirty-one billion, two hundred ninety-nine million, one hundred seventy-one thousand, three hundred ninety.

Scientific notation

• Scientific notation: 3.129917139 × 10¹⁰

Factors of 31299171390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2186

Divisors of 31299171390

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 27 30 31 38 45 54 57 62 90 93 95 97 114 135 155 171 186 190 194 270 279 285 291 310 342 465 485 513 558 570 582 589 837 855 873 930 970 1026 1178 1395 1455 1674 1710 1746 1767 1843 2029 2565 2619 2790 2910 2945 3007 3534 3686 4058 4185 4365 5130 5238 5301 5529 5890 6014 6087 8370 8730 8835 9021 9215 10145 10602 11058 12174 13095 15035 15903 16587 17670 18042 18261 18430 20290 26190 26505 27063 27645 30070 30435 31806 33174 36522 38551 45105 49761 53010 54126 54783 55290 57133 60870 62899 77102 79515 81189 82935 90210 91305 99522 109566 114266 115653 125798 135315 159030 162378 165870 171399 182610 188697 192755 196813 231306 248805 270630 273915 285665 314495 342798 346959 377394 385510 393626 405945 497610 514197 547830 566091 571330 578265 590439 628990 693918 811890 856995 943485 984065 1028394 1040877 1132182 1156530 1180878 1195081 1542591 1698273 1713990 1734795 1771317 1886970 1968130 2081754 2390162 2570985 2830455 2952195 3085182 3396546 3469590 3542634 3585243 3739447 5141970 5204385 5313951 5660910 5904390 5975405 6101203 7170486 7478894 7712955 8491365 8856585 10408770 10627902 10755729 11218341 11950810 12202406 15425910 16982730 17713170 17926215 18303609 18697235 21511458 22436682 26569755 30506015 32267187 33655023 35852430 36607218 37394470 53139510 53778645 54910827 56091705 61012030 64534374 67310046 91518045 100965069 107557290 109821654 112183410 115922857 161335935 164732481 168275115 183036090 201930138 231845714 274554135 322671870 329464962 336550230 347768571 504825345 549108270 579614285 695537142 823662405 1009650690 1043305713 1159228570 1647324810 1738842855 2086611426 3129917139 3477685710 5216528565 6259834278 10433057130 15649585695 31299171390
• Sum of all divisors σ(n): 91671552000
• Sum of proper divisors (its aliquot sum) s(n): 60372380610
• 31299171390 is an abundant number, because the sum of its proper divisors (60372380610) is greater than itself. Its abundance is 29073209220

Bases of 31299171390

• Binary: 11101001001100100110111010000111110₂
• Hexadecimal: 0x74993743E
• Base-36: EDMPV7I

Squares and roots of 31299171390

• 31299171390 squared (31299171390²) is 979638129700594532100
• 31299171390 cubed (31299171390³) is 30661861721677957645094756619000
• The square root of 31299171390 is 176915.7183237261
• The cube root of 31299171390 is 3151.4538141811

Scales and comparisons

• 31,299,171,390 seconds is equal to 995 years, 11 weeks, 1 day, 22 hours, 16 minutes, 30 seconds.
• To count from 1 to 31,299,171,390 would take you about one thousand, nine hundred ninety 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 31299171390 cubic inches would be around 262.6 feet tall.

Recreational maths with 31299171390

• 31299171390 backwards is 09317199213
• 31299171390 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31299171390's digits is 45
• More coming soon!