165416397318700902990

Names of 165416397318700902990

• Cardinal: 165416397318700902990 can be written as One hundred sixty-five quintillion, four hundred sixteen quadrillion, three hundred ninety-seven trillion, three hundred eighteen billion, seven hundred million, nine hundred two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.6541639731870090299 × 10²⁰

Factors of 165416397318700902990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2652178889188755

Divisors of 165416397318700902990

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 81 90 99 105 110 126 135 154 162 165 189 198 210 231 270 297 315 330 378 385 405 462 495 567 594 630 693 770 810 891 945 990 1134 1155 1386 1485 1782 1890 2079 2310 2835 2970 3465 4158 4455 5670 6237 6930 8910 10395 12474 20790 31185 62370 2652178889188727 5304357778377454 7956536667566181 13260894445943635 15913073335132362 18565252224321089 23869610002698543 26521788891887270 29173967781075997 37130504448642178 39782683337830905 47739220005397086 55695756672963267 58347935562151994 71608830008095629 79565366675661810 87521903343227991 92826261121605445 111391513345926534 119348050013492715 143217660016191258 145869838905379985 167087270018889801 175043806686455982 185652522243210890 204217774467531979 214826490024286887 238696100026985430 262565710029683973 278478783364816335 291739677810759970 334174540037779602 358044150040478145 408435548935063958 429652980048573774 437609516716139955 501261810056669403 525131420059367946 556957566729632670 612653323402595937 716088300080956290 787697130089051919 835436350094449005 875219033432279910 1002523620113338806 1021088872337659895 1074132450121434435 1225306646805191874 1312828550148419865 1503785430170008209 1575394260178103838 1670872700188898010 1837959970207787811 2042177744675319790 2148264900242868870 2363091390267155757 2506309050283347015 2625657100296839730 3007570860340016418 3063266617012979685 3675919940415575622 3938485650445259595 4726182780534311514 5012618100566694030 5513879910623363433 6126533234025959370 7518927150850041045 7876971300890519190 9189799851038939055 11027759821246726866 11815456951335778785 15037854301700082090 16541639731870090299 18379599702077878110 23630913902671557570 27569399553116817165 33083279463740180598 55138799106233634330 82708198659350451495 165416397318700902990
• Sum of all divisors σ(n): 554538779582692760064
• Sum of proper divisors (its aliquot sum) s(n): 389122382263991857074
• 165416397318700902990 is an abundant number, because the sum of its proper divisors (389122382263991857074) is greater than itself. Its abundance is 223705984945290954084

Bases of 165416397318700902990

• Binary: 10001111011110011101000110001111001010011110000010111010101001001110₂
• Hexadecimal: 0x8F79D18F29E0BAA4E
• Base-36: YWR830X1WCEVI

Squares and roots of 165416397318700902990

• 165416397318700902990 squared (165416397318700902990²) is 27362584501898319288074919626641390940100
• 165416397318700902990 cubed (165416397318700902990³) is 4526220149632540025884131996976414924162069773219475000899000
• The square root of 165416397318700902990 is 12861430609.3335084707
• The cube root of 165416397318700902990 is 5489416.5327028347

Scales and comparisons

• 165,416,397,318,700,902,990 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 165,416,397,318,700,902,990 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 165416397318700902990 cubic inches would be around 457451.4 feet tall.

Recreational maths with 165416397318700902990

• 165416397318700902990 backwards is 099209007813793614561
• 165416397318700902990 is a Harshad number.
• The number of decimal digits it has is: 21
• The sum of 165416397318700902990's digits is 90
• More coming soon!