31290072100

Names of 31290072100

• Cardinal: 31290072100 can be written as Thirty-one billion, two hundred ninety million, seventy-two thousand, one hundred.

Scientific notation

• Scientific notation: 3.12900721 × 10¹⁰

Factors of 31290072100

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 33

Divisors of 31290072100

• Number of divisors d(n): 225
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 25 28 35 38 49 50 70 76 95 98 100 133 140 175 190 196 245 266 343 350 361 380 475 490 532 665 686 700 722 931 950 980 1225 1330 1372 1444 1715 1805 1862 1900 2401 2450 2527 2660 3325 3430 3610 3724 4655 4802 4900 5054 6517 6650 6859 6860 7220 8575 9025 9310 9604 10108 12005 12635 13034 13300 13718 17150 17689 18050 18620 23275 24010 25270 26068 27436 32585 34295 34300 35378 36100 45619 46550 48013 48020 50540 60025 63175 65170 68590 70756 88445 91238 93100 96026 120050 123823 126350 130321 130340 137180 162925 171475 176890 182476 192052 228095 240065 240100 247646 252700 260642 325850 336091 342950 353780 442225 456190 480130 495292 521284 619115 651605 651700 672182 685900 866761 884450 912247 912380 960260 1140475 1200325 1238230 1303210 1344364 1680455 1733522 1768900 1824494 2280950 2352637 2400650 2476460 2606420 3095575 3258025 3360910 3467044 3648988 4333805 4561235 4561900 4705274 4801300 6191150 6385729 6516050 6721820 8402275 8667610 9122470 9410548 11763185 12382300 12771458 13032100 16468459 16804550 17335220 18244940 21669025 22806175 23526370 25542916 31928645 32936918 33609100 43338050 44700103 45612350 47052740 58815925 63857290 65873836 82342295 86676100 89400206 91224700 117631850 127714580 159643225 164684590 178800412 223500515 235263700 312900721 319286450 329369180 411711475 447001030 625801442 638572900 823422950 894002060 1117502575 1251602884 1564503605 1646845900 2235005150 3129007210 4470010300 6258014420 7822518025 15645036050 31290072100
• Sum of all divisors σ(n): 83611914337
• Sum of proper divisors (its aliquot sum) s(n): 52321842237
• 31290072100 is an abundant number, because the sum of its proper divisors (52321842237) is greater than itself. Its abundance is 21031770137

Bases of 31290072100

• Binary: 11101001001000010001001110000100100₂
• Hexadecimal: 0x749089C24
• Base-36: EDHAU5G

Squares and roots of 31290072100

• 31290072100 squared (31290072100²) is 979068612023198410000
• 31290072100 cubed (31290072100³) is 30635127461052805121505361000000
• 31290072100 is a perfect square number. Its square root is 176890
• The cube root of 31290072100 is 3151.1483878685

Scales and comparisons

• 31,290,072,100 seconds is equal to 994 years, 48 weeks, 1 day, 14 hours, 41 minutes, 40 seconds.
• To count from 1 to 31,290,072,100 would take you about one thousand, nine hundred eighty-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 31290072100 cubic inches would be around 262.6 feet tall.

Recreational maths with 31290072100

• 31290072100 backwards is 00127009213
• 31290072100 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31290072100's digits is 25
• More coming soon!