6445389367872

Names of 6445389367872

• Cardinal: 6445389367872 can be written as Six trillion, four hundred forty-five billion, three hundred eighty-nine million, three hundred sixty-seven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 6.445389367872 × 10¹²

Factors of 6445389367872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5855552

Divisors of 6445389367872

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 49 52 54 56 63 64 72 78 84 91 96 98 104 108 112 117 126 144 147 156 168 182 189 192 196 208 216 224 234 252 273 288 294 312 336 351 364 378 392 416 432 441 448 468 504 546 576 588 624 637 672 702 728 756 784 819 832 864 882 936 1008 1092 1176 1248 1274 1323 1344 1404 1456 1512 1568 1638 1728 1764 1872 1911 2016 2184 2352 2457 2496 2548 2646 2808 2912 3024 3136 3276 3528 3744 3822 4032 4368 4704 4914 5096 5292 5616 5733 5824 6048 6552 7056 7488 7644 8736 9408 9828 10192 10584 11232 11466 12096 13104 14112 15288 17199 17472 19656 20384 21168 22464 22932 26208 28224 30576 34398 39312 40768 42336 45864 52416 61152 68796 78624 84672 91728 122304 137592 157248 183456 275184 366912 550368 1100736 5855527 11711054 17566581 23422108 35133162 40988689 46844216 52699743 70266324 76121851 81977378 93688432 105399486 122966067 140532648 152243702 158099229 163954756 187376864 210798972 228365553 245932134 281065296 286920823 304487404 316198458 327909512 368898201 374753728 421597944 456731106 491864268 532852957 562130592 573841646 608974808 632396916 655819024 685096659 737796402 843195888 860762469 913462212 983728536 1065705914 1106694603 1124261184 1147683292 1217949616 1264793832 1311638048 1370193318 1475592804 1598558871 1686391776 1721524938 1826924424 1967457072 2055289977 2131411828 2213389206 2295366584 2435899232 2529587664 2582287407 2623276096 2740386636 2951185608 3197117742 3372783552 3443049876 3653848848 3729970699 3934914144 4110579954 4262823656 4426778412 4590733168 4795676613 4871798464 5059175328 5164574814 5480773272 5902371216 6394235484 6886099752 7307697696 7459941398 7746862221 7869828288 8221159908 8525647312 8853556824 9181466336 9591353226 10118350656 10329149628 10961546544 11189912097 11804742432 12788470968 13772199504 14387029839 14615395392 14919882796 15493724442 16442319816 17051294624 17707113648 18362932672 19182706452 20658299256 21923093088 22379824194 23609484864 25576941936 27544399008 28774059678 29839765592 30987448884 32884639632 33569736291 34102589248 35414227296 38365412904 41316598512 43846186176 44759648388 51153883872 55088798016 57548119356 59679531184 61974897768 65769279264 67139472582 70828454592 76730825808 82633197024 89519296776 100709208873 102307767744 115096238712 119359062368 123949795536 131538558528 134278945164 153461651616 165266394048 179038593552 201418417746 230192477424 238718124736 247899591072 268557890328 306923303232 358077187104 402836835492 460384954848 495799182144 537115780656 716154374208 805673670984 920769909696 1074231561312 1611347341968 2148463122624 3222694683936 6445389367872
• Sum of all divisors σ(n): 23737373627520
• Sum of proper divisors (its aliquot sum) s(n): 17291984259648
• 6445389367872 is an abundant number, because the sum of its proper divisors (17291984259648) is greater than itself. Its abundance is 10846594891776

Bases of 6445389367872

• Binary: 1011101110010101111001001001100101001000000₂
• Hexadecimal: 0x5DCAF24CA40
• Base-36: 2A8YYEXC0

Squares and roots of 6445389367872

• 6445389367872 squared (6445389367872²) is 41543044103477419745808384
• 6445389367872 cubed (6445389367872³) is 267761094773590943412461511071397838848
• The square root of 6445389367872 is 2538777.1402531573
• The cube root of 6445389367872 is 18610.1433938929

Scales and comparisons

• 6,445,389,367,872 seconds is equal to 204,943 years, 23 weeks, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 6,445,389,367,872 would take you about five hundred twelve thousand, three hundred fifty-eight 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 6445389367872 cubic inches would be around 1550.8 feet tall.

Recreational maths with 6445389367872

• 6445389367872 backwards is 2787639835446
• 6445389367872 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 6445389367872's digits is 72
• More coming soon!