642399609028608

Names of 642399609028608

• Cardinal: 642399609028608 can be written as Six hundred forty-two trillion, three hundred ninety-nine billion, six hundred nine million, twenty-eight thousand, six hundred eight.

Scientific notation

• Scientific notation: 6.42399609028608 × 10¹⁴

Factors of 642399609028608

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 2922

Divisors of 642399609028608

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 2917 3072 4096 4608 5834 6144 8192 8751 9216 11668 12288 16384 17502 18432 23336 24576 26253 32768 35004 36864 46672 49152 52506 65536 70008 73728 93344 98304 105012 131072 140016 147456 186688 196608 210024 262144 280032 294912 373376 393216 420048 524288 560064 589824 746752 786432 840096 1048576 1120128 1179648 1493504 1572864 1680192 2097152 2240256 2359296 2987008 3145728 3360384 4194304 4480512 4718592 5974016 6291456 6720768 8388608 8508889 8961024 9437184 11948032 12582912 13441536 17017778 17922048 18874368 23896064 25165824 25526667 26883072 34035556 35844096 37748736 47792128 51053334 53766144 68071112 71688192 75497472 76580001 95584256 102106668 107532288 136142224 143376384 153160002 191168512 204213336 215064576 272284448 286752768 306320004 382337024 408426672 430129152 544568896 573505536 612640008 764674048 816853344 860258304 1089137792 1147011072 1225280016 1529348096 1633706688 1720516608 2178275584 2294022144 2450560032 3058696192 3267413376 3441033216 4356551168 4588044288 4901120064 6117392384 6534826752 6882066432 8713102336 9176088576 9802240128 12234784768 13069653504 13764132864 17426204672 18352177152 19604480256 24469569536 26139307008 27528265728 34852409344 36704354304 39208960512 52278614016 55056531456 69704818688 73408708608 78417921024 104557228032 110113062912 139409637376 156835842048 209114456064 220226125824 278819274752 313671684096 418228912128 557638549504 627343368192 836457824256 1115277099008 1254686736384 1672915648512 2230554198016 2509373472768 3345831297024 4461108396032 5018746945536 6691662594048 8922216792064 10037493891072 13383325188096 17844433584128 20074987782144 26766650376192 35688867168256 40149975564288 53533300752384 71377734336512 80299951128576 107066601504768 160599902257152 214133203009536 321199804514304 642399609028608
• Sum of all divisors σ(n): 1856457409007565
• Sum of proper divisors (its aliquot sum) s(n): 1214057799978957
• 642399609028608 is an abundant number, because the sum of its proper divisors (1214057799978957) is greater than itself. Its abundance is 571658190950349

Bases of 642399609028608

• Binary: 10010010000100001001010000100000000000000000000000₂
• Hexadecimal: 0x2484250800000
• Base-36: 6BPMB0Y680

Squares and roots of 642399609028608

• 642399609028608 squared (642399609028608²) is 412677257680108417029362417664
• 642399609028608 cubed (642399609028608³) is 265103708988699765164983900221024293420531712
• The square root of 642399609028608 is 25345603.3471016033
• The cube root of 642399609028608 is 86284.9574587837

Scales and comparisons

• 642,399,609,028,608 seconds is equal to 20,426,320 years, 25 weeks, 5 days, 1 hour, 16 minutes, 48 seconds.
• To count from 1 to 642,399,609,028,608 would take you about fifty-one million, sixty-five thousand, eight hundred one 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 642399609028608 cubic inches would be around 7190.4 feet tall.

Recreational maths with 642399609028608

• 642399609028608 backwards is 806820906993246
• 642399609028608 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 642399609028608's digits is 72
• More coming soon!