16385436639200125

Names of 16385436639200125

• Cardinal: 16385436639200125 can be written as Sixteen quadrillion, three hundred eighty-five trillion, four hundred thirty-six billion, six hundred thirty-nine million, two hundred thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.6385436639200125 × 10¹⁶

Factors of 16385436639200125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 128938

Divisors of 16385436639200125

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 23 25 35 49 115 125 161 175 245 343 575 805 875 1127 1225 1715 2875 4025 5635 6125 7889 8575 20125 28175 39445 42875 128903 140875 197225 644515 902321 986125 2964769 3222575 4511605 6316247 14823845 16112875 20753383 22558025 31581235 44213729 74119225 103766915 112790125 145273681 157906175 221068645 370596125 518834575 726368405 789530875 1016915767 1105343225 2594172875 3631842025 5084578835 5526716125 16615983409 18159210125 25422894175 83079917045 116311883863 127114470875 382167618407 415399585225 581559419315 814183187041 1910838092035 2076997926125 2675173328849 2907797096575 4070915935205 5699282309287 9554190460175 13375866644245 14538985482875 18726213301943 20354579676025 28496411546435 47770952300875 66879333221225 93631066509715 101772898380125 131083493113601 142482057732175 334396666106125 468155332548575 655417465568005 712410288660875 2340776662742875 3277087327840025 16385436639200125
• Sum of all divisors σ(n): 24884289799948800
• Sum of proper divisors (its aliquot sum) s(n): 8498853160748675
• 16385436639200125 is a deficient number, because the sum of its proper divisors (8498853160748675) is less than itself. Its deficiency is 7886583478451450

Bases of 16385436639200125

• Binary: 111010001101100111011111000010010111101000001101111101₂
• Hexadecimal: 0x3A3677C25E837D
• Base-36: 4HC5HOBJJB1

Squares and roots of 16385436639200125

• 16385436639200125 squared (16385436639200125²) is 268482533857241887335799800015625
• 16385436639200125 cubed (16385436639200125³) is 4399203547249739283325704672247971582462501953125
• The square root of 16385436639200125 is 128005611.7488609365
• The cube root of 16385436639200125 is 253991.5916740413

Scales and comparisons

• 16,385,436,639,200,125 seconds is equal to 521,006,201 years, 33 weeks, 3 days, 3 hours, 35 minutes, 25 seconds.
• To count from 1 to 16,385,436,639,200,125 would take you about one billion, five hundred sixty-three million, eighteen thousand, six hundred four 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 16385436639200125 cubic inches would be around 21166 feet tall.

Recreational maths with 16385436639200125

• 16385436639200125 backwards is 52100293663458361
• The number of decimal digits it has is: 17
• The sum of 16385436639200125's digits is 64
• More coming soon!