640228608398800

Names of 640228608398800

• Cardinal: 640228608398800 can be written as Six hundred forty trillion, two hundred twenty-eight billion, six hundred eight million, three hundred ninety-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 6.402286083988 × 10¹⁴

Factors of 640228608398800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 516

Divisors of 640228608398800

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 31 34 40 50 62 68 80 85 100 124 136 155 170 200 248 272 310 340 400 425 461 496 527 620 680 775 850 922 961 1054 1240 1360 1550 1700 1844 1922 2108 2305 2480 2635 3100 3400 3688 3844 4216 4610 4805 5270 6200 6800 7376 7688 7837 8432 9220 9610 10540 11525 12400 13175 14291 15376 15674 16337 18440 19220 21080 23050 24025 26350 28582 31348 32674 36880 38440 39185 42160 46100 48050 52700 57164 62696 65348 71455 76880 78370 81685 92200 96100 105400 114328 125392 130696 142910 156740 163370 184400 192200 195925 210800 212521 228656 242947 261392 285820 313480 326740 357275 384400 391850 408425 425042 443021 485894 571640 626960 653480 714550 783700 816850 850084 886042 971788 1062605 1143280 1214735 1306960 1429100 1567400 1633700 1700168 1772084 1943576 2125210 2215105 2429470 2858200 3134800 3267400 3400336 3544168 3612857 3887152 4250420 4430210 4858940 5313025 5716400 6073675 6534800 6588151 7088336 7225714 7531357 8500840 8860420 9717880 10626050 11075525 12147350 13176302 14451428 15062714 17001680 17720840 18064285 19435760 21252100 22151050 24294700 26352604 28902856 30125428 32940755 35441680 36128570 37656785 42504200 44302100 48589400 52705208 57805712 60250856 65881510 72257140 75313570 85008400 88604200 90321425 97178800 97972181 105410416 111998567 120501712 131763020 144514280 150627140 164703775 177208400 180642850 188283925 195944362 204232681 223997134 263526040 289028560 301254280 329407550 361285700 376567850 391888724 408465362 447994268 489860905 527052080 559992835 602508560 658815100 722571400 753135700 783777448 816930724 895988536 979721810 1021163405 1119985670 1317630200 1445142800 1506271400 1567554896 1633861448 1665527077 1791977072 1959443620 2042326810 2239971340 2449304525 2635260400 2799964175 3012542800 3037137611 3267722896 3331054154 3471955577 3918887240 4084653620 4479942680 4898609050 5105817025 5599928350 6074275222 6662108308 6943911154 7837774480 8169307240 8327635385 8959885360 9797218100 10211634050 11199856700 12148550444 13324216616 13887822308 15185688055 16338614480 16655270770 17359777885 19594436200 20423268100 22399713400 24297100888 26648433232 27775644616 30371376110 33310541540 34719555770 39188872400 40846536200 41638176925 44799426800 48594201776 51631339387 55551289232 60742752220 66621083080 69439111540 75928440275 81693072400 83276353850 86798889425 94151265941 103262678774 121485504440 133242166160 138878223080 151856880550 166552707700 173597778850 188302531882 206525357548 242971008880 258156696935 277756446160 303713761100 333105415400 347195557700 376605063764 413050715096 470756329705 516313393870 607427522200 666210830800 694391115400 753210127528 826101430192 941512659410 1032626787740 1214855044400 1290783484675 1388782230800 1506420255056 1600571520997 1883025318820 2065253575480 2353781648525 2581566969350 3201143041994 3766050637640 4130507150960 4707563297050 5163133938700 6402286083988 7532101275280 8002857604985 9415126594100 10326267877400 12804572167976 16005715209970 18830253188200 20652535754800 25609144335952 32011430419940 37660506376400 40014288024925 64022860839880 80028576049850 128045721679760 160057152099700 320114304199400 640228608398800
• Sum of all divisors σ(n): 1686518118103896
• Sum of proper divisors (its aliquot sum) s(n): 1046289509705096
• 640228608398800 is an abundant number, because the sum of its proper divisors (1046289509705096) is greater than itself. Its abundance is 406060901306296

Bases of 640228608398800

• Binary: 10010001100100100011010110110001110101010111010000₂
• Hexadecimal: 0x24648D6C755D0
• Base-36: 6AXWYN879S

Squares and roots of 640228608398800

• 640228608398800 squared (640228608398800²) is 409892671012264001899841440000
• 640228608398800 cubed (640228608398800³) is 262425014355048930064535724509572286272000000
• The square root of 640228608398800 is 25302739.1481396733
• The cube root of 640228608398800 is 86187.6472519711

Scales and comparisons

• 640,228,608,398,800 seconds is equal to 20,357,289 years, 20 weeks, 1 day, 22 hours, 46 minutes, 40 seconds.
• To count from 1 to 640,228,608,398,800 would take you about fifty million, eight hundred ninety-three thousand, two 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 640228608398800 cubic inches would be around 7182.3 feet tall.

Recreational maths with 640228608398800

• 640228608398800 backwards is 008893806822046
• The number of decimal digits it has is: 15
• The sum of 640228608398800's digits is 64
• More coming soon!