3894465812640

Names of 3894465812640

• Cardinal: 3894465812640 can be written as Three trillion, eight hundred ninety-four billion, four hundred sixty-five million, eight hundred twelve thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.89446581264 × 10¹²

Factors of 3894465812640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 491136

Divisors of 3894465812640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 32 39 40 41 48 52 60 62 65 78 80 82 93 96 104 120 123 124 130 155 156 160 164 186 195 205 208 240 246 248 260 310 312 328 372 390 403 410 416 465 480 492 496 520 533 615 620 624 656 744 780 806 820 930 984 992 1040 1066 1209 1230 1240 1248 1271 1312 1488 1560 1599 1612 1640 1860 1968 2015 2080 2132 2418 2460 2480 2542 2665 2976 3120 3198 3224 3280 3720 3813 3936 4030 4264 4836 4920 4960 5084 5330 6045 6240 6355 6396 6448 6560 7440 7626 7995 8060 8528 9672 9840 10168 10660 12090 12710 12792 12896 14880 15252 15990 16120 16523 17056 19065 19344 19680 20336 21320 24180 25420 25584 30504 31980 32240 33046 38130 38688 40672 42640 48360 49569 50840 51168 61008 63960 64480 66092 76260 82615 85280 96720 99138 101680 122016 127920 132184 152520 165230 193440 198276 203360 247845 255840 264368 305040 330460 396552 491041 495690 528736 610080 660920 793104 982082 991380 1321840 1473123 1586208 1964164 1982760 2455205 2643680 2946246 3928328 3965520 4910410 5892492 6383533 7365615 7856656 7931040 9820820 11784984 12767066 14731230 15222271 15713312 19150599 19641640 20132681 23569968 25534132 29462460 30444542 31917665 38301198 39283280 40265362 45666813 47139936 51068264 58924920 60398043 60889084 63835330 76111355 76602396 78566560 80530724 91333626 95752995 100663405 102136528 117849840 120796086 121778168 127670660 152222710 153204792 161061448 182667252 191505990 197889523 201326810 204273056 228334065 235699680 241592172 243556336 255341320 261724853 301990215 304445420 306409584 322122896 365334504 383011980 395779046 402653620 456668130 483184344 487112672 510682640 523449706 593668569 603980430 608890840 612819168 624113111 644245792 730669008 766023960 785174559 791558092 805307240 913336260 966368688 989447615 1021365280 1046899412 1187337138 1207960860 1217781680 1248226222 1308624265 1461338016 1532047920 1570349118 1583116184 1610614480 1826672520 1872339333 1932737376 1978895230 2093798824 2374674276 2415921720 2435563360 2496452444 2617248530 2968342845 3064095840 3120565555 3140698236 3166232368 3221228960 3653345040 3744678666 3925872795 3957790460 4187597648 4749348552 4831843440 4992904888 5234497060 5936685690 6241131110 6281396472 6332464736 7306690080 7489357332 7851745590 7915580920 8113470443 8375195296 9361696665 9498697104 9663686880 9985809776 10468994120 11873371380 12482262220 12562792944 14978714664 15703491180 15831161840 16226940886 18723393330 18997394208 19971619552 20937988240 23746742760 24340411329 24964524440 25125585888 29957429328 31406982360 31662323680 32453881772 37446786660 40567352215 41875976480 47493485520 48680822658 49929048880 59914858656 62813964720 64907763544 74893573320 81134704430 94986971040 97361645316 99858097760 121702056645 125627929440 129815527088 149787146640 162269408860 194723290632 243404113290 259631054176 299574293280 324538817720 389446581264 486808226580 649077635440 778893162528 973616453160 1298155270880 1947232906320 3894465812640
• Sum of all divisors σ(n): 13970042763264
• Sum of proper divisors (its aliquot sum) s(n): 10075576950624
• 3894465812640 is an abundant number, because the sum of its proper divisors (10075576950624) is greater than itself. Its abundance is 6181111137984

Bases of 3894465812640

• Binary: 111000101011000000010000000101100010100000₂
• Hexadecimal: 0x38AC04058A0
• Base-36: 1DP3CE4YO

Squares and roots of 3894465812640

• 3894465812640 squared (3894465812640²) is 15166863965821735583769600
• 3894465812640 cubed (3894465812640³) is 59066833199854278655620480058527744000
• The square root of 3894465812640 is 1973440.0960353471
• The cube root of 3894465812640 is 15733.1602161279

Scales and comparisons

• 3,894,465,812,640 seconds is equal to 123,831 years, 50 weeks, 1 day, 19 hours, 4 minutes.
• To count from 1 to 3,894,465,812,640 would take you about three hundred nine thousand, five hundred seventy-nine 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 3894465812640 cubic inches would be around 1311.1 feet tall.

Recreational maths with 3894465812640

• 3894465812640 backwards is 0462185644983
• 3894465812640 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3894465812640's digits is 60
• More coming soon!