20990743703572640

Names of 20990743703572640

• Cardinal: 20990743703572640 can be written as Twenty quadrillion, nine hundred ninety trillion, seven hundred forty-three billion, seven hundred three million, five hundred seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.099074370357264 × 10¹⁶

Factors of 20990743703572640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8641864799

Divisors of 20990743703572640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 32 34 38 40 47 68 76 80 85 94 95 136 152 160 170 188 190 235 272 304 323 340 376 380 470 544 608 646 680 752 760 799 893 940 1292 1360 1504 1520 1598 1615 1786 1880 2584 2720 3040 3196 3230 3572 3760 3995 4465 5168 6392 6460 7144 7520 7990 8930 10336 12784 12920 14288 15181 15980 17860 25568 25840 28576 30362 31960 35720 51680 60724 63920 71440 75905 121448 127840 142880 151810 242896 303620 485792 607240 1214480 2428960 8641864709 17283729418 34567458836 43209323545 69134917672 86418647090 138269835344 146911700053 164195429471 172837294180 276539670688 293823400106 328390858942 345674588360 406167641323 587646800212 656781717884 691349176720 734558500265 812335282646 820977147355 1175293600424 1313563435768 1382698353440 1469117000530 1624670565292 1641954294710 2030838206615 2350587200848 2627126871536 2791322301007 2938234001060 3249341130584 3283908589420 4061676413230 4701174401696 5254253743072 5582644602014 5876468002120 6498682261168 6567817178840 6904849902491 7717185185137 8123352826460 11165289204028 11752936004240 12997364522336 13135634357680 13809699804982 13956611505035 15434370370274 16246705652920 22330578408056 23505872008480 26271268715360 27619399609964 27913223010070 30868740740548 32493411305840 34524249512455 38585925925685 44661156816112 55238799219928 55826446020140 61737481481096 64986822611680 69048499024910 77171851851370 89322313632224 110477598439856 111652892040280 123474962962192 131192148147329 138096998049820 154343703702740 220955196879712 223305784080560 246949925924384 262384296294658 276193996099640 308687407405480 446611568161120 524768592589316 552387992199280 617374814810960 655960740736645 1049537185178632 1104775984398560 1234749629621920 1311921481473290 2099074370357264 2623842962946580 4198148740714528 5247685925893160 10495371851786320 20990743703572640
• Sum of all divisors σ(n): 56447277587366400
• Sum of proper divisors (its aliquot sum) s(n): 35456533883793760
• 20990743703572640 is an abundant number, because the sum of its proper divisors (35456533883793760) is greater than itself. Its abundance is 14465790180221120

Bases of 20990743703572640

• Binary: 1001010100100101111100001011110000001011101000010100000₂
• Hexadecimal: 0x4A92F85E05D0A0
• Base-36: 5QOLIJ85Y8W

Squares and roots of 20990743703572640

• 20990743703572640 squared (20990743703572640²) is 440611321229074431157499756569600
• 20990743703572640 cubed (20990743703572640³) is 9248759316812016003326212198695394741830815744000
• The square root of 20990743703572640 is 144881826.6849663929
• The cube root of 20990743703572640 is 275851.8760936511

Scales and comparisons

• 20,990,743,703,572,640 seconds is equal to 667,440,721 years, 7 weeks, 2 days, 1 hour, 17 minutes, 20 seconds.
• To count from 1 to 20,990,743,703,572,640 would take you about two billion, two million, three hundred twenty-two thousand, one hundred sixty-three 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 20990743703572640 cubic inches would be around 22987.7 feet tall.

Recreational maths with 20990743703572640

• 20990743703572640 backwards is 04627530734709902
• 20990743703572640 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20990743703572640's digits is 68
• More coming soon!