20918052006400

Names of 20918052006400

• Cardinal: 20918052006400 can be written as Twenty trillion, nine hundred eighteen billion, fifty-two million, six thousand, four hundred.

Scientific notation

• Scientific notation: 2.09180520064 × 10¹³

Factors of 20918052006400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2760

Divisors of 20918052006400

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 32 38 40 41 50 64 76 80 82 95 100 128 152 160 164 190 200 205 256 304 320 328 361 380 400 410 475 512 608 640 656 722 760 779 800 820 950 1025 1216 1280 1312 1444 1520 1558 1600 1640 1681 1805 1900 2050 2432 2560 2624 2693 2888 3040 3116 3200 3280 3362 3610 3800 3895 4100 4864 5248 5386 5776 6080 6232 6400 6560 6724 7220 7600 7790 8200 8405 9025 9728 10496 10772 11552 12160 12464 12800 13120 13448 13465 14440 14801 15200 15580 16400 16810 18050 19475 20992 21544 23104 24320 24928 26240 26896 26930 28880 29602 30400 31160 31939 32800 33620 36100 38950 42025 43088 46208 48640 49856 51167 52480 53792 53860 57760 59204 60800 62320 63878 65600 67240 67325 72200 74005 77900 84050 86176 92416 99712 102334 104960 107584 107720 110413 115520 118408 121600 124640 127756 131200 134480 134650 144400 148010 155800 159695 168100 172352 184832 199424 204668 215168 215440 220826 231040 236816 243200 249280 255512 255835 262400 268960 269300 288800 296020 311600 319390 336200 344704 370025 398848 409336 430336 430880 441652 462080 473632 498560 511024 511670 524800 537920 538600 552065 577600 592040 606841 623200 638780 672400 689408 740050 798475 818672 860672 861760 883304 924160 947264 972173 997120 1022048 1023340 1075840 1077200 1104130 1155200 1184080 1213682 1246400 1277560 1279175 1344800 1378816 1480100 1596950 1637344 1723520 1766608 1894528 1944346 1994240 2044096 2046680 2097847 2151680 2154400 2208260 2310400 2368160 2427364 2492800 2555120 2558350 2689600 2760325 2960200 3034205 3193900 3274688 3447040 3533216 3789056 3888692 4088192 4093360 4195694 4303360 4308800 4416520 4526933 4620800 4736320 4854728 4860865 4985600 5110240 5116700 5379200 5520650 5920400 6068410 6387800 6549376 6894080 7066432 7578112 7777384 8176384 8186720 8391388 8617600 8833040 9053866 9472640 9709456 9721730 9971200 10220480 10233400 10489235 10758400 11041300 11840800 12136820 12775600 13098752 14132864 15171025 15554768 16352768 16373440 16782776 17235200 17666080 18107732 18945280 19418912 19443460 20440960 20466800 20978470 21516800 22082600 22634665 23681600 24273640 24304325 25551200 26197504 28265728 30342050 31109536 32746880 33565552 34470400 35332160 36215464 37890560 38837824 38886920 39859093 40881920 40933600 41956940 44165200 45269330 47363200 48547280 48608650 51102400 52446175 56531456 60684100 62219072 65493760 67131104 70664320 72430928 77675648 77773840 79718186 81763840 81867200 83913880 86011727 88330400 90538660 94726400 97094560 97217300 102204800 104892350 113173325 121368200 124438144 130987520 134262208 141328640 144861856 155351296 155547680 159436372 163734400 167827760 172023454 176660800 181077320 189452800 194189120 194434600 199295465 204409600 209784700 226346650 242736400 248876288 268524416 282657280 289723712 310702592 311095360 318872744 327468800 335655520 344046908 353321600 362154640 388378240 388869200 398590930 408819200 419569400 430058635 452693300 485472800 497752576 537048832 579447424 622190720 637745488 654937600 671311040 688093816 706643200 724309280 776756480 777738400 797181860 839138800 860117270 905386600 970945600 996477325 1074097664 1158894848 1244381440 1275490976 1342622080 1376187632 1413286400 1448618560 1553512960 1555476800 1594363720 1634222813 1678277600 1720234540 1810773200 1941891200 1992954650 2150293175 2317789696 2488762880 2550981952 2685244160 2752375264 2897237120 3110953600 3188727440 3268445626 3356555200 3440469080 3621546400 3883782400 3985909300 4300586350 5101963904 5370488320 5504750528 5794474240 6221907200 6377454880 6536891252 6713110400 6880938160 7243092800 7767564800 7971818600 8171114065 8601172700 10203927808 11009501056 11588948480 12443814400 12754909760 13073782504 13426220800 13761876320 14486185600 15943637200 16342228130 17202345400 20407855616 22019002112 25509819520 26147565008 26852441600 27523752640 28972371200 31887274400 32684456260 34404690800 40855570325 44038004224 51019639040 52295130016 55047505280 57944742400 63774548800 65368912520 68809381600 81711140650 102039278080 104590260032 110095010560 127549097600 130737825040 137618763200 163422281300 209180520064 220190021120 255098195200 261475650080 275237526400 326844562600 418361040128 510196390400 522951300160 550475052800 653689125200 836722080256 1045902600320 1100950105600 1307378250400 2091805200640 2614756500800 4183610401280 5229513001600 10459026003200 20918052006400
• Sum of all divisors σ(n): 56084799554586
• Sum of proper divisors (its aliquot sum) s(n): 35166747548186
• 20918052006400 is an abundant number, because the sum of its proper divisors (35166747548186) is greater than itself. Its abundance is 14248695541786

Bases of 20918052006400

• Binary: 100110000011001011101000011110010101000000000₂
• Hexadecimal: 0x13065D0F2A00
• Base-36: 7EXMC2R5S

Squares and roots of 20918052006400

• 20918052006400 squared (20918052006400²) is 437564899742455065640960000
• 20918052006400 cubed (20918052006400³) is 9153005328987877029092727030022144000000
• The square root of 20918052006400 is 4573625.6959222187
• The cube root of 20918052006400 is 27553.3079500017

Scales and comparisons

• 20,918,052,006,400 seconds is equal to 665,129 years, 18 weeks, 1 day, 9 hours, 46 minutes, 40 seconds.
• To count from 1 to 20,918,052,006,400 would take you about one million, six hundred sixty-two thousand, eight hundred twenty-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 20918052006400 cubic inches would be around 2296.1 feet tall.

Recreational maths with 20918052006400

• 20918052006400 backwards is 00460025081902
• The number of decimal digits it has is: 14
• The sum of 20918052006400's digits is 37
• More coming soon!