6390918256640

Names of 6390918256640

• Cardinal: 6390918256640 can be written as Six trillion, three hundred ninety billion, nine hundred eighteen million, two hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.39091825664 × 10¹²

Factors of 6390918256640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 491120

Divisors of 6390918256640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 41 62 64 80 82 124 128 155 160 164 205 248 256 310 320 328 410 496 512 620 640 656 820 992 1024 1240 1271 1280 1312 1640 1984 2048 2480 2542 2560 2624 3280 3968 4960 5084 5120 5248 6355 6560 7936 9920 10168 10240 10496 12710 13120 15872 19840 20336 20992 25420 26240 31744 39680 40672 41984 50840 52480 63488 79360 81344 83968 101680 104960 158720 162688 203360 209920 317440 325376 406720 419840 491041 650752 813440 982082 1301504 1626880 1964164 2455205 2603008 3253760 3928328 4910410 6507520 7856656 9820820 13015040 15222271 15713312 19641640 20132681 30444542 31426624 39283280 40265362 60889084 62853248 76111355 78566560 80530724 100663405 121778168 125706496 152222710 157133120 161061448 201326810 243556336 251412992 304445420 314266240 322122896 402653620 487112672 502825984 608890840 624113111 628532480 644245792 805307240 974225344 1005651968 1217781680 1248226222 1257064960 1288491584 1610614480 1948450688 2435563360 2496452444 2514129920 2576983168 3120565555 3221228960 3896901376 4871126720 4992904888 5028259840 5153966336 6241131110 6442457920 7793802752 9742253440 9985809776 10307932672 12482262220 12884915840 15587605504 19484506880 19971619552 20615865344 24964524440 25769831680 31175211008 38969013760 39943239104 41231730688 49929048880 51539663360 77938027520 79886478208 99858097760 103079326720 155876055040 159772956416 199716195520 206158653440 319545912832 399432391040 639091825664 798864782080 1278183651328 1597729564160 3195459128320 6390918256640
• Sum of all divisors σ(n): 16215228207360
• Sum of proper divisors (its aliquot sum) s(n): 9824309950720
• 6390918256640 is an abundant number, because the sum of its proper divisors (9824309950720) is greater than itself. Its abundance is 3433391694080

Bases of 6390918256640

• Binary: 1011101000000000000011010011001100000000000₂
• Hexadecimal: 0x5D000699800
• Base-36: 29JY3PYWW

Squares and roots of 6390918256640

• 6390918256640 squared (6390918256640²) is 40843836163054456904089600
• 6390918256640 cubed (6390918256640³) is 261029618205677776494866318118354944000
• The square root of 6390918256640 is 2528026.5537845919
• The cube root of 6390918256640 is 18557.5691525081

Scales and comparisons

• 6,390,918,256,640 seconds is equal to 203,211 years, 22 weeks, 3 days, 7 hours, 17 minutes, 20 seconds.
• To count from 1 to 6,390,918,256,640 would take you about five hundred eight thousand and twenty-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 6390918256640 cubic inches would be around 1546.5 feet tall.

Recreational maths with 6390918256640

• 6390918256640 backwards is 0466528190936
• The number of decimal digits it has is: 13
• The sum of 6390918256640's digits is 59
• More coming soon!