64400126208

Names of 64400126208

• Cardinal: 64400126208 can be written as Sixty-four billion, four hundred million, one hundred twenty-six thousand, two hundred eight.

Scientific notation

• Scientific notation: 6.4400126208 × 10¹⁰

Factors of 64400126208

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 267

Divisors of 64400126208

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 121 128 132 176 192 242 251 256 264 352 363 384 484 502 528 704 726 753 768 968 1004 1056 1331 1408 1452 1506 1936 2008 2112 2662 2761 2816 2904 3012 3872 3993 4016 4224 5324 5522 5808 6024 7744 7986 8032 8283 8448 10648 11044 11616 12048 15488 15972 16064 16566 21296 22088 23232 24096 30371 30976 31944 32128 33132 42592 44176 46464 48192 60742 63001 63888 64256 66264 85184 88352 91113 92928 96384 121484 126002 127776 132528 170368 176704 182226 189003 192768 242968 252004 255552 265056 334081 340736 353408 364452 378006 485936 504008 511104 530112 668162 693011 706816 728904 756012 971872 1002243 1008016 1022208 1060224 1336324 1386022 1457808 1512024 1943744 2004486 2016032 2079033 2120448 2672648 2772044 2915616 3024048 3887488 4008972 4032064 4158066 5345296 5544088 5831232 6048096 7623121 7774976 8017944 8064128 8316132 10690592 11088176 11662464 12096192 15246242 16035888 16128256 16632264 21381184 22176352 22869363 23324928 24192384 30492484 32071776 33264528 42762368 44352704 45738726 48384768 60984968 64143552 66529056 83854331 85524736 88705408 91477452 121969936 128287104 133058112 167708662 177410816 182954904 243939872 251562993 256574208 266116224 335417324 365909808 487879744 503125986 532232448 670834648 731819616 975759488 1006251972 1341669296 1463639232 1951518976 2012503944 2683338592 2927278464 4025007888 5366677184 5854556928 8050015776 10733354368 16100031552 21466708736 32200063104 64400126208
• Sum of all divisors σ(n): 189279289248
• Sum of proper divisors (its aliquot sum) s(n): 124879163040
• 64400126208 is an abundant number, because the sum of its proper divisors (124879163040) is greater than itself. Its abundance is 60479036832

Bases of 64400126208

• Binary: 111011111110100010111111000100000000₂
• Hexadecimal: 0xEFE8BF100
• Base-36: TL267EO

Squares and roots of 64400126208

• 64400126208 squared (64400126208²) is 4147376255606328459264
• 64400126208 cubed (64400126208³) is 267091554293110020340103786790912
• The square root of 64400126208 is 253771.7994734639
• The cube root of 64400126208 is 4008.3186506867

Scales and comparisons

• 64,400,126,208 seconds is equal to 2,047 years, 37 weeks, 4 days, 19 hours, 56 minutes, 48 seconds.
• To count from 1 to 64,400,126,208 would take you about four thousand and ninety-five 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 64400126208 cubic inches would be around 334 feet tall.

Recreational maths with 64400126208

• 64400126208 backwards is 80262100446
• 64400126208 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64400126208's digits is 33
• More coming soon!