6420455655840

Names of 6420455655840

• Cardinal: 6420455655840 can be written as Six trillion, four hundred twenty billion, four hundred fifty-five million, six hundred fifty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.42045565584 × 10¹²

Factors of 6420455655840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2997

Divisors of 6420455655840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 281 288 324 360 405 432 480 540 562 648 720 810 843 864 1080 1093 1124 1296 1405 1440 1613 1620 1686 2160 2186 2248 2529 2592 2810 3226 3240 3279 3372 4215 4320 4372 4496 4839 5058 5465 5620 6452 6480 6558 6744 7587 8065 8430 8744 8992 9678 9837 10116 10930 11240 12645 12904 12960 13116 13488 14517 15174 16130 16395 16860 17488 19356 19674 20232 21860 22480 22761 24195 25290 25808 26232 26976 29034 29511 30348 32260 32790 33720 34976 37935 38712 39348 40464 43551 43720 44960 45522 48390 49185 50580 51616 52464 58068 59022 60696 64520 65580 67440 72585 75870 77424 78696 80928 87102 87440 88533 91044 96780 98370 101160 104928 113805 116136 118044 121392 129040 130653 131160 134880 145170 147555 151740 154848 157392 174204 174880 177066 182088 193560 196740 202320 217755 227610 232272 236088 242784 258080 261306 262320 290340 295110 303480 307133 314784 348408 354132 364176 387120 393480 404640 435510 442665 453253 455220 464544 472176 522612 524640 580680 590220 606960 614266 653265 696816 708264 728352 774240 786960 871020 885330 906506 910440 921399 944352 1045224 1161360 1180440 1213920 1228532 1306530 1359759 1393632 1416528 1535665 1573920 1742040 1763009 1770660 1813012 1820880 1842798 2090448 2266265 2322720 2360880 2457064 2613060 2719518 2764197 2833056 3071330 3484080 3526018 3541320 3626024 3641760 3685596 4079277 4180896 4532530 4606995 4721760 4914128 5226120 5289027 5439036 5528394 6142660 6798795 6968160 7052036 7082640 7252048 7371192 8158554 8292591 8815045 9065060 9213990 9828256 10452240 10578054 10878072 11056788 12237831 12285320 13597590 13820985 14104072 14165280 14504096 14742384 15867081 16317108 16585182 17630090 18130120 18427980 20396385 20904480 21156108 21756144 22113576 24475662 24570640 24877773 26445135 27195180 27641970 28208144 29484768 31734162 32634216 33170364 35260180 36260240 36713493 36855960 40792770 41462955 42312216 43512288 44227152 47601243 48951324 49141280 49755546 52890270 54390360 55283940 56416288 61189155 63468324 65268432 66340728 70520360 72520480 73426986 73711920 79335405 81585540 82925910 84624432 88454304 95202486 97902648 99511092 105780540 108780720 110567880 122378310 124388865 126936648 130536864 132681456 141040720 142803729 146853972 147423840 158670810 163171080 165851820 169248864 183567465 190404972 195805296 199022184 211561080 217561440 221135760 238006215 244756620 248777730 253873296 265362912 282081440 285607458 293707944 317341620 326342160 331703640 367134930 380809944 391610592 398044368 423122160 442271520 476012430 489513240 495405529 497555460 507746592 571214916 587415888 634683240 652684320 663407280 714018645 734269860 761619888 796088736 846244320 952024860 979026480 990811058 995110920 1142429832 1174831776 1269366480 1326814560 1428037290 1468539720 1486216587 1523239776 1904049720 1958052960 1981622116 1990221840 2284859664 2477027645 2538732960 2856074580 2937079440 2972433174 3808099440 3963244232 3980443680 4458649761 4569719328 4954055290 5712149160 5874158880 5944866348 7431082935 7616198880 7926488464 8917299522 9908110580 11424298320 11889732696 13375949283 14862165870 15852976928 17834599044 19816221160 22293248805 22848596640 23779465392 26751898566 29724331740 35669198088 39632442320 40127847849 44586497610 47558930784 53503797132 59448663480 66879746415 71338396176 79264884640 80255695698 89172995220 107007594264 118897326960 133759492830 142676792352 160511391396 178345990440 200639239245 214015188528 237794653920 267518985660 321022782792 356691980880 401278478490 428030377056 535037971320 642045565584 713383961760 802556956980 1070075942640 1284091131168 1605113913960 2140151885280 3210227827920 6420455655840
• Sum of all divisors σ(n): 22774409791056
• Sum of proper divisors (its aliquot sum) s(n): 16353954135216
• 6420455655840 is an abundant number, because the sum of its proper divisors (16353954135216) is greater than itself. Its abundance is 9933498479376

Bases of 6420455655840

• Binary: 1011101011011100000111110101000100110100000₂
• Hexadecimal: 0x5D6E0FA89A0
• Base-36: 29XILIY00

Squares and roots of 6420455655840

• 6420455655840 squared (6420455655840²) is 41222250828607844526105600
• 6420455655840 cubed (6420455655840³) is 264665633478990361861026084049096704000
• The square root of 6420455655840 is 2533861.8067763679
• The cube root of 6420455655840 is 18586.1148692069

Scales and comparisons

• 6,420,455,655,840 seconds is equal to 204,150 years, 32 weeks, 5 days, 8 hours, 24 minutes.
• To count from 1 to 6,420,455,655,840 would take you about five hundred ten thousand, three hundred seventy-six 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 6420455655840 cubic inches would be around 1548.8 feet tall.

Recreational maths with 6420455655840

• 6420455655840 backwards is 0485565540246
• 6420455655840 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 6420455655840's digits is 54
• More coming soon!