20789812706406400

Names of 20789812706406400

• Cardinal: 20789812706406400 can be written as Twenty quadrillion, seven hundred eighty-nine trillion, eight hundred twelve billion, seven hundred six million, four hundred six thousand, four hundred.

Scientific notation

• Scientific notation: 2.07898127064064 × 10¹⁶

Factors of 20789812706406400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 379

Divisors of 20789812706406400

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 101 128 160 200 202 256 271 320 400 404 505 512 542 640 800 808 1010 1024 1084 1280 1355 1600 1616 2020 2048 2168 2525 2560 2710 3200 3232 4040 4096 4336 5050 5120 5420 6400 6464 6775 8080 8672 10100 10201 10240 10840 12800 12928 13550 16160 17344 20200 20402 20480 21680 25600 25856 27100 27371 32320 34688 40400 40804 43360 51005 51200 51712 54200 54742 64640 69376 73441 80800 81608 86720 102010 102400 103424 108400 109484 129280 136855 138752 146882 161600 163216 173440 204020 206848 216800 218968 255025 258560 273710 277504 293764 323200 326432 346880 367205 408040 413696 433600 437936 510050 517120 547420 555008 587528 646400 652864 684275 693760 734410 816080 867200 875872 1020100 1034240 1094840 1110016 1175056 1292800 1305728 1368550 1387520 1468820 1632160 1734400 1751744 1836025 2040200 2068480 2189680 2350112 2585600 2611456 2737100 2764471 2775040 2937640 3264320 3468800 3503488 3672050 4080400 4379360 4700224 5171200 5222912 5474200 5528942 5550080 5875280 6528640 6937600 7006976 7344100 7417541 8160800 8758720 9400448 10342400 10445824 10948400 11057884 11750560 13057280 13822355 13875200 14013952 14688200 14835082 16321600 17517440 18800896 19902511 20891648 21896800 22115768 23501120 26114560 27644710 27750400 28027904 29376400 29670164 32643200 35034880 37087705 37601792 39805022 41783296 43793600 44231536 47002240 52229120 55289420 56055808 58752800 59340328 65286400 69111775 70069760 74175410 75203584 79610044 87587200 88463072 94004480 99512555 104458240 110578840 112111616 117505600 118680656 130572800 138223550 140139520 148350820 150407168 159220088 175174400 176926144 185438525 188008960 199025110 208916480 221157680 235011200 237361312 261145600 276447100 280279040 296701640 300814336 318440176 350348800 353852288 370877050 376017920 398050220 442315360 470022400 474722624 497562775 522291200 552894200 560558080 593403280 636880352 700697600 707704576 741754100 749171641 752035840 796100440 884630720 940044800 949445248 995125550 1044582400 1105788400 1186806560 1273760704 1401395200 1415409152 1483508200 1498343282 1504071680 1592200880 1769261440 1880089600 1898890496 1990251100 2010153611 2211576800 2373613120 2547521408 2802790400 2830818304 2967016400 2996686564 3184401760 3538522880 3745858205 3760179200 3797780992 3980502200 4020307222 4423153600 4747226240 5095042816 5661636608 5934032800 5993373128 6368803520 7077045760 7491716410 7520358400 7595561984 7961004400 8040614444 8846307200 9494452480 10050768055 10190085632 11323273216 11868065600 11986746256 12737607040 14154091520 14983432820 15191123968 15922008800 16081228888 17692614400 18729291025 18988904960 20101536110 20380171264 23736131200 23973492512 25475214080 28308183040 29966865640 30382247936 31844017600 32162457776 35385228800 37458582050 37977809920 40203072220 40760342528 47472262400 47946985024 50253840275 50950428160 56616366080 59933731280 63688035200 64324915552 70770457600 74917164100 75955619840 80406144440 81520685056 94944524800 95893970048 100507680550 101900856320 119867462560 127376070400 128649831104 141540915200 149834328200 151911239680 160812288880 189889049600 191787940096 201015361100 203025514711 203801712640 239734925120 254752140800 257299662208 283081830400 299668656400 321624577760 379778099200 383575880192 402030722200 406051029422 407603425280 479469850240 509504281600 514599324416 599337312800 643249155520 759556198400 767151760384 804061444400 812102058844 958939700480 1015127573555 1019008563200 1029198648832 1198674625600 1286498311040 1534303520768 1608122888800 1624204117688 1917879400960 2030255147110 2038017126400 2058397297664 2397349251200 2572996622080 3068607041536 3216245777600 3248408235376 3835758801920 4060510294220 4116794595328 4794698502400 5075637867775 5145993244160 6432491555200 6496816470752 7671517603840 8121020588440 8233589190656 9589397004800 10151275735550 10291986488320 12864983110400 12993632941504 15343035207680 16242041176880 19178794009600 20302551471100 20583972976640 25729966220800 25987265883008 32484082353760 38357588019200 40605102942200 41167945953280 51459932441600 51974531766016 64968164707520 76715176038400 81210205884400 102919864883200 103949063532032 129936329415040 162420411768800 205839729766400 207898127064064 259872658830080 324840823537600 415796254128128 519745317660160 649681647075200 831592508256256 1039490635320320 1299363294150400 2078981270640640 2598726588300800 4157962541281280 5197453176601600 10394906353203200 20789812706406400
• Sum of all divisors σ(n): 52260759723654112
• Sum of proper divisors (its aliquot sum) s(n): 31470947017247712
• 20789812706406400 is an abundant number, because the sum of its proper divisors (31470947017247712) is greater than itself. Its abundance is 10681134310841312

Bases of 20789812706406400

• Binary: 1001001110111000011100101111001010011111111000000000000₂
• Hexadecimal: 0x49DC39794FF000
• Base-36: 5OPDG3WC4XS

Squares and roots of 20789812706406400

• 20789812706406400 squared (20789812706406400²) is 432216312367457002203601960960000
• 20789812706406400 cubed (20789812706406400³) is 8985696182773075234667248572628267794694144000000
• The square root of 20789812706406400 is 144186728.6070614753
• The cube root of 20789812706406400 is 274968.8679089399

Scales and comparisons

• 20,789,812,706,406,400 seconds is equal to 661,051,736 years, 49 weeks, 3 days, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 20,789,812,706,406,400 would take you about one billion, nine hundred eighty-three million, one hundred fifty-five thousand, two hundred ten 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 20789812706406400 cubic inches would be around 22914.1 feet tall.

Recreational maths with 20789812706406400

• 20789812706406400 backwards is 00460460721898702
• 20789812706406400 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20789812706406400's digits is 64
• More coming soon!