161988907495173

Names of 161988907495173

• Cardinal: 161988907495173 can be written as One hundred sixty-one trillion, nine hundred eighty-eight billion, nine hundred seven million, four hundred ninety-five thousand, one hundred seventy-three.

Scientific notation

• Scientific notation: 1.61988907495173 × 10¹⁴

Factors of 161988907495173

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1277

Divisors of 161988907495173

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 11 23 33 53 69 121 159 253 363 529 583 759 1187 1219 1331 1587 1749 2783 2809 3561 3657 3993 5819 6413 8349 8427 12167 13057 13409 17457 19239 27301 28037 30613 30899 36501 39171 40227 62911 64009 64607 70543 81903 84111 91839 92697 133837 143627 147499 188733 192027 193821 211629 300311 308407 339889 401511 430881 442497 627923 644851 692021 704099 710677 900933 925221 1019667 1446953 1472207 1485961 1579897 1622489 1883769 1934553 2076063 2112297 2132031 3303421 3334283 3392477 3738779 4340859 4416621 4457883 4739691 4867467 6907153 7093361 7612231 7817447 9910263 10002849 10177431 11216337 14442229 15916483 16194277 16345571 20721459 21280083 22836693 23452341 33279919 34177103 36337631 36677113 37317247 43326687 47749449 48582831 49036713 75978683 76688509 78026971 83734541 85991917 99839757 102531309 109012893 110031339 111951741 158864519 175081313 179801281 227936049 230065527 234080913 251203623 257975751 366079109 375948133 403448243 476593557 525243939 539403843 765438137 835765513 843573599 858296681 1098237327 1127844399 1210344729 1747509709 1763835707 1925894443 1977814091 2296314411 2507296539 2530720797 2574890043 4026870199 4135429463 4437930673 5242529127 5291507121 5777683329 5933442273 8419819507 9279309589 12080610597 12406288389 13313792019 19222606799 19402192777 25259458521 27837928767 40568221261 44295572189 45489724093 57667820397 58206578331 92618014577 102072405479 121704663783 132886716567 136469172279 213424120547 277854043731 306217216437 446250433871 640272361641 1018798160347 1338751301613 2347665326017 3056394481041 4908754772581 7042995978051 14726264317743 53996302498391 161988907495173
• Sum of all divisors σ(n): 253352951470080
• Sum of proper divisors (its aliquot sum) s(n): 91364043974907
• 161988907495173 is a deficient number, because the sum of its proper divisors (91364043974907) is less than itself. Its deficiency is 70624863520266

Bases of 161988907495173

• Binary: 100100110101001111111011010010011110111100000101₂
• Hexadecimal: 0x9353FB49EF05
• Base-36: 1LF4OD3CHX

Squares and roots of 161988907495173

• 161988907495173 squared (161988907495173²) is 26240406151479715337018299929
• 161988907495173 cubed (161988907495173³) is 4250654724707816155361396127074250233742717
• The square root of 161988907495173 is 12727486.2991547943
• The cube root of 161988907495173 is 54512.3735331731

Scales and comparisons

• 161,988,907,495,173 seconds is equal to 5,150,746 years, 10 weeks, 12 hours, 39 minutes, 33 seconds.
• To count from 1 to 161,988,907,495,173 would take you about twelve million, eight hundred seventy-six thousand, eight hundred sixty-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 161988907495173 cubic inches would be around 4542.7 feet tall.

Recreational maths with 161988907495173

• 161988907495173 backwards is 371594709889161
• The number of decimal digits it has is: 15
• The sum of 161988907495173's digits is 78
• More coming soon!