16491680390025

Names of 16491680390025

• Cardinal: 16491680390025 can be written as Sixteen trillion, four hundred ninety-one billion, six hundred eighty million, three hundred ninety thousand and twenty-five.

Scientific notation

• Scientific notation: 1.6491680390025 × 10¹³

Factors of 16491680390025

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 259

Divisors of 16491680390025

• Number of divisors d(n): 243
• Complete list of divisors:
  1 3 5 9 15 23 25 45 69 75 79 115 149 207 225 237 345 395 447 529 575 711 745 1035 1185 1341 1587 1725 1817 1975 2235 2645 3427 3555 3725 4761 5175 5451 5925 6241 6705 7935 9085 10281 11175 11771 13225 16353 17135 17775 18723 22201 23805 27255 30843 31205 33525 35313 39675 41791 45425 51405 56169 58855 66603 78821 81765 85675 93615 105939 111005 119025 125373 136275 143543 154215 156025 176565 199809 208955 236463 257025 270733 280845 294275 333015 376119 394105 408825 430629 468075 510623 529695 555025 626865 709389 717715 771075 812199 882825 929909 999045 1044775 1182315 1291887 1353665 1404225 1531869 1665075 1753879 1880595 1970525 2153145 2436597 2553115 2648475 2789727 3134325 3301489 3546945 3588575 4060995 4595607 4649545 4995225 5261637 5911575 6226859 6459435 6768325 7659345 8369181 8769395 9402975 9904467 10765725 11744329 12182985 12765575 13948635 15784911 16507445 17734725 18680577 20304975 21387907 22978035 23247725 26308185 29713401 31134295 32297175 35232987 38296725 40339217 41845905 43846975 49522335 56041731 58721645 60914925 64163721 69743175 78924555 82537225 93402885 105698961 106939535 114890175 121017651 131540925 138556441 148567005 155671475 176164935 192491163 201696085 209229525 247611675 280208655 293608225 320818605 363052953 394622775 415669323 467014425 491921861 528494805 534697675 605088255 692782205 742835025 880824675 927801991 962455815 1008480425 1247007969 1401043275 1475765583 1604093025 1815264765 2078346615 2459609305 2642474025 2783405973 3025441275 3186798143 3463911025 4427296749 4639009955 4812279075 6235039845 7378827915 8350217919 9076323825 9560394429 10391733075 12298046525 13917029865 15933990715 22136483745 23195049775 28681183287 31175199225 36894139575 41751089595 47801972145 69585149325 73296357289 79669953575 110682418725 143405916435 208755447975 219889071867 239009860725 366481786445 659667215601 717029582175 1099445359335 1832408932225 3298336078005 5497226796675 16491680390025
• Sum of all divisors σ(n): 31485669058389
• Sum of proper divisors (its aliquot sum) s(n): 14993988668364
• 16491680390025 is a deficient number, because the sum of its proper divisors (14993988668364) is less than itself. Its deficiency is 1497691721661

Bases of 16491680390025

• Binary: 11101111111111000100110000000101101110001001₂
• Hexadecimal: 0xEFFC4C05B89
• Base-36: 5UG68P9C9

Squares and roots of 16491680390025

• 16491680390025 squared (16491680390025²) is 271975522086735136119500625
• 16491680390025 cubed (16491680390025³) is 4485333384164621111518117532308231265625
• 16491680390025 is a perfect square number. Its square root is 4060995
• The cube root of 16491680390025 is 25453.9372918717

Scales and comparisons

• 16,491,680,390,025 seconds is equal to 524,384 years, 22 weeks, 10 hours, 33 minutes, 45 seconds.
• To count from 1 to 16,491,680,390,025 would take you about one million, three hundred ten thousand, nine hundred sixty-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 16491680390025 cubic inches would be around 2121.2 feet tall.

Recreational maths with 16491680390025

• 16491680390025 backwards is 52009308619461
• The number of decimal digits it has is: 14
• The sum of 16491680390025's digits is 54
• More coming soon!