16455408794640

Names of 16455408794640

• Cardinal: 16455408794640 can be written as Sixteen trillion, four hundred fifty-five billion, four hundred eight million, seven hundred ninety-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.645540879464 × 10¹³

Factors of 16455408794640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 219153

Divisors of 16455408794640

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 233 240 360 449 466 699 720 898 932 1165 1347 1398 1796 1864 2097 2245 2330 2694 2796 3495 3592 3728 4041 4194 4490 4660 5388 5592 6735 6990 7184 8082 8388 8980 9320 10485 10776 11184 13470 13980 16164 16776 17960 18640 20205 20970 21552 26940 27960 32328 33552 35920 40410 41940 53880 55920 64656 80820 83880 104617 107760 161640 167760 209234 218461 313851 323280 418468 436922 523085 627702 655383 836936 873844 941553 1046170 1092305 1255404 1310766 1569255 1673872 1747688 1883106 1966149 2092340 2184610 2510808 2621532 3138510 3276915 3495376 3766212 3932298 4184680 4369220 4707765 5021616 5243064 6277020 6553830 7532424 7864596 8369360 8738440 9415530 9830745 10486128 12554040 13107660 15064848 15729192 17476880 18831060 19661490 25108080 26215320 31458384 37662120 39322980 50901413 52430640 75324240 78645960 98088989 101802826 152704239 157291920 196177978 203605652 254507065 294266967 305408478 392355956 407211304 458112717 490444945 509014130 588533934 610816956 763521195 784711912 814422608 882800901 916225434 980889890 1018028260 1177067868 1221633912 1471334835 1527042390 1569423824 1765601802 1832450868 1961779780 2036056520 2290563585 2354135736 2443267824 2942669670 3054084780 3531203604 3664901736 3923559560 4072113040 4414004505 4581127170 4708271472 5885339340 6108169560 7062407208 7329803472 7847119120 8828009010 9162254340 11770678680 12216339120 14124814416 17656018020 18324508680 22854734437 23541357360 35312036040 36649017360 45709468874 68564203311 70624072080 91418937748 114273672185 137128406622 182837875496 205692609933 228547344370 274256813244 342821016555 365675750992 411385219866 457094688740 548513626488 685642033110 822770439732 914189377480 1028463049665 1097027252976 1371284066220 1645540879464 1828378754960 2056926099330 2742568132440 3291081758928 4113852198660 5485136264880 8227704397320 16455408794640
• Sum of all divisors σ(n): 55623789514800
• Sum of proper divisors (its aliquot sum) s(n): 39168380720160
• 16455408794640 is an abundant number, because the sum of its proper divisors (39168380720160) is greater than itself. Its abundance is 22712971925520

Bases of 16455408794640

• Binary: 11101111011101010010110010111011110000010000₂
• Hexadecimal: 0xEF752CBBC10
• Base-36: 5TZIDJ380

Squares and roots of 16455408794640

• 16455408794640 squared (16455408794640²) is 270780478598715457692729600
• 16455408794640 cubed (16455408794640³) is 4455803468950130645923855502627449344000
• The square root of 16455408794640 is 4056526.6909808447
• The cube root of 16455408794640 is 25435.2625705191

Scales and comparisons

• 16,455,408,794,640 seconds is equal to 523,231 years, 5 weeks, 1 day, 7 hours, 24 minutes.
• To count from 1 to 16,455,408,794,640 would take you about one million, three hundred eight thousand and seventy-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 16455408794640 cubic inches would be around 2119.6 feet tall.

Recreational maths with 16455408794640

• 16455408794640 backwards is 04649780455461
• The number of decimal digits it has is: 14
• The sum of 16455408794640's digits is 63
• More coming soon!