161831903897808504

Names of 161831903897808504

• Cardinal: 161831903897808504 can be written as One hundred sixty-one quadrillion, eight hundred thirty-one trillion, nine hundred three billion, eight hundred ninety-seven million, eight hundred eight thousand, five hundred four.

Scientific notation

• Scientific notation: 1.61831903897808504 × 10¹⁷

Factors of 161831903897808504

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14595984

Divisors of 161831903897808504

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 29 36 54 58 72 87 108 116 174 216 232 261 348 522 696 783 1044 1566 2088 3132 6264 2061067 4122134 6183201 8244268 12366402 12534883 16488536 18549603 24732804 25069766 37099206 37604649 49465608 50139532 55648809 59770943 74198412 75209298 100279064 111297618 112813947 119541886 148396824 150418596 179312829 222595236 225627894 239083772 300837192 338441841 358625658 363511607 445190472 451255788 478167544 537938487 676883682 717251316 727023214 902511576 1075876974 1090534821 1353767364 1434502632 1454046428 1613815461 2151753948 2181069642 2707534728 2908092856 3227630922 3271604463 4303507896 4362139284 6455261844 6543208926 8724278568 9814813389 12910523688 13086417852 19629626778 26172835704 39259253556 78518507112 25835233700161 51670467400322 77505701100483 103340934800644 155011402200966 206681869601288 232517103301449 310022804401932 465034206602898 620045608803864 697551309904347 749221777304669 930068413205796 1395102619808694 1498443554609338 1860136826411592 2247665331914007 2790205239617388 2996887109218676 4495330663828014 5580410479234776 5993774218437352 6742995995742021 8990661327656028 13485991991484042 17981322655312056 20228987987226063 26971983982968084 40457975974452126 53943967965936168 80915951948904252 161831903897808504
• Sum of all divisors σ(n): 465034469330016000
• Sum of proper divisors (its aliquot sum) s(n): 303202565432207496
• 161831903897808504 is an abundant number, because the sum of its proper divisors (303202565432207496) is greater than itself. Its abundance is 141370661534398992

Bases of 161831903897808504

• Binary: 1000111110111100010100001001011001001001110110111001111000₂
• Hexadecimal: 0x23EF14259276E78
• Base-36: 189GMEB8TGU0

Squares and roots of 161831903897808504

• 161831903897808504 squared (161831903897808504²) is 26189565119189527269866333854718016
• 161831903897808504 cubed (161831903897808504³) is 4238307185494077295822994533968239535733383286808064
• The square root of 161831903897808504 is 402283362.6907885237
• The cube root of 161831903897808504 is 544947.5626655845

Scales and comparisons

• 161,831,903,897,808,504 seconds is equal to 5,145,753,965 years, 1 day, 16 hours, 8 minutes, 24 seconds.
• To count from 1 to 161,831,903,897,808,504 would take you about fifteen billion, four hundred thirty-seven million, two hundred sixty-one thousand, eight hundred 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 161831903897808504 cubic inches would be around 45412.3 feet tall.

Recreational maths with 161831903897808504

• 161831903897808504 backwards is 405808798309138161
• The number of decimal digits it has is: 18
• The sum of 161831903897808504's digits is 81
• More coming soon!