389946099321800128

Names of 389946099321800128

• Cardinal: 389946099321800128 can be written as Three hundred eighty-nine quadrillion, nine hundred forty-six trillion, ninety-nine billion, three hundred twenty-one million, eight hundred thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.89946099321800128 × 10¹⁷

Factors of 389946099321800128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 763728

Divisors of 389946099321800128

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 124 248 496 992 1984 15439 17419 30878 34838 61756 69676 123512 139352 247024 278704 478609 494048 539989 557408 730837 957218 988096 1079978 1114816 1461674 1914436 2159956 2923348 3828872 4319912 5846696 7657744 8639824 11693392 15315488 17279648 22655947 23386784 30630976 34559296 45311894 46773568 90623788 181247576 268931941 362495152 537863882 724990304 1075727764 1449980608 2151455528 4302911056 8336890171 8605822112 11283392443 12730449703 16673780342 17211644224 22566784886 25460899406 33347560684 45133569772 50921798812 66695121368 90267139544 101843597624 133390242736 180534279088 203687195248 266780485472 349785165733 361068558176 394643940793 407374390496 533560970944 699570331466 722137116352 789287881586 814748780992 1399140662932 1578575763172 2798281325864 3157151526344 5596562651728 6314303052688 11193125303456 12628606105376 22386250606912 25257212210752 196545412964617 393090825929234 786181651858468 1572363303716936 3144726607433872 6092907801903127 6289453214867744 12185815603806254 12578906429735488 24371631207612508 48743262415225016 97486524830450032 194973049660900064 389946099321800128
• Sum of all divisors σ(n): 798859246585753600
• Sum of proper divisors (its aliquot sum) s(n): 408913147263953472
• 389946099321800128 is an abundant number, because the sum of its proper divisors (408913147263953472) is greater than itself. Its abundance is 18967047942153344

Bases of 389946099321800128

• Binary: 10101101001010111011110100101001011101000000000010111000000₂
• Hexadecimal: 0x5695DE94BA005C0
• Base-36: 2YNKCSZM9UPS

Squares and roots of 389946099321800128

• 389946099321800128 squared (389946099321800128²) is 152057960376287210246156666380816384
• 389946099321800128 cubed (389946099321800128³) is 59294408519562040851589774220019924125486025115697152
• The square root of 389946099321800128 is 624456643.2682097169
• The cube root of 389946099321800128 is 730580.6972150585

Scales and comparisons

• 389,946,099,321,800,128 seconds is equal to 12,399,079,775 years, 49 weeks, 3 days, 18 hours, 15 minutes, 28 seconds.
• To count from 1 to 389,946,099,321,800,128 would take you about thirty-seven billion, one hundred ninety-seven million, two hundred thirty-nine thousand, three hundred twenty-seven 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 389946099321800128 cubic inches would be around 60881.7 feet tall.

Recreational maths with 389946099321800128

• 389946099321800128 backwards is 821008123990649983
• The number of decimal digits it has is: 18
• The sum of 389946099321800128's digits is 82
• More coming soon!