20396453840

Names of 20396453840

• Cardinal: 20396453840 can be written as Twenty billion, three hundred ninety-six million, four hundred fifty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.039645384 × 10¹⁰

Factors of 20396453840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 190

Divisors of 20396453840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 79 80 97 98 112 140 158 194 196 245 280 316 343 388 392 395 485 490 553 560 632 679 686 776 784 790 970 980 1106 1264 1358 1372 1552 1580 1715 1940 1960 2212 2716 2744 2765 3160 3395 3430 3871 3880 3920 4424 4753 5432 5488 5530 6320 6790 6860 7663 7742 7760 8848 9409 9506 10864 11060 13580 13720 15326 15484 18818 19012 19355 22120 23765 27097 27160 27440 30652 30968 33271 37636 38024 38315 38710 44240 47045 47530 53641 54194 54320 61304 61936 65863 66542 75272 76048 76630 77420 94090 95060 107282 108388 122608 131726 133084 135485 150544 153260 154840 166355 188180 190120 214564 216776 263452 266168 268205 270970 306520 309680 329315 332710 375487 376360 380240 429128 433552 461041 526904 532336 536410 541940 613040 658630 665420 743311 750974 752720 858256 922082 1053808 1072820 1083880 1317260 1330840 1486622 1501948 1844164 1877435 2145640 2167760 2305205 2628409 2634520 2661680 2973244 3003896 3227287 3688328 3716555 3754870 4291280 4610410 5203177 5256818 5269040 5946488 6007792 6454574 7376656 7433110 7509740 9220820 10406354 10513636 11892976 12909148 13142045 14866220 15019480 16136435 18441640 20812708 21027272 25818296 26015885 26284090 29732440 30038960 32272870 36422239 36883280 41625416 42054544 51636592 52031770 52568180 59464880 64545740 72844478 83250832 104063540 105136360 129091480 145688956 182111195 208127080 210272720 254955673 258182960 291377912 364222390 416254160 509911346 582755824 728444780 1019822692 1274778365 1456889560 2039645384 2549556730 2913779120 4079290768 5099113460 10198226920 20396453840
• Sum of all divisors σ(n): 56585664000
• Sum of proper divisors (its aliquot sum) s(n): 36189210160
• 20396453840 is an abundant number, because the sum of its proper divisors (36189210160) is greater than itself. Its abundance is 15792756320

Bases of 20396453840

• Binary: 10010111111101110010010111111010000₂
• Hexadecimal: 0x4BFB92FD0
• Base-36: 9DBISI8

Squares and roots of 20396453840

• 20396453840 squared (20396453840²) is 416015329247250745600
• 20396453840 cubed (20396453840³) is 8485237459723951779535983104000
• The square root of 20396453840 is 142816.1539882657
• The cube root of 20396453840 is 2732.2360816291

Scales and comparisons

• 20,396,453,840 seconds is equal to 648 years, 28 weeks, 2 days, 1 hour, 37 minutes, 20 seconds.
• To count from 1 to 20,396,453,840 would take you about one thousand, two hundred ninety-seven 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 20396453840 cubic inches would be around 227.7 feet tall.

Recreational maths with 20396453840

• 20396453840 backwards is 04835469302
• The number of decimal digits it has is: 11
• The sum of 20396453840's digits is 44
• More coming soon!