165993955851021095

Names of 165993955851021095

• Cardinal: 165993955851021095 can be written as One hundred sixty-five quadrillion, nine hundred ninety-three trillion, nine hundred fifty-five billion, eight hundred fifty-one million, twenty-one thousand and ninety-five.

Scientific notation

• Scientific notation: 1.65993955851021095 × 10¹⁷

Factors of 165993955851021095

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 241

Divisors of 165993955851021095

• Number of divisors d(n): 384
• Complete list of divisors:
  1 5 7 19 35 49 83 95 127 133 245 343 361 415 581 635 665 889 931 1577 1715 1805 2413 2527 2905 4067 4445 4655 6223 6517 6859 6889 7885 10541 11039 12065 12635 16129 16891 17689 20335 28469 29963 31115 32585 34295 34445 43561 45847 48013 48223 52705 55195 73787 77273 80645 84455 88445 112903 118237 123823 130891 142345 149815 200279 209741 217805 229235 240065 241115 306451 320929 336091 337561 368935 386365 516509 540911 564515 569297 591185 619115 654455 790321 827659 871093 874903 916237 1001395 1048705 1338707 1401953 1468187 1532255 1604645 1680455 1687805 2048383 2145157 2246503 2352637 2362927 2486929 2582545 2704555 2846485 3615563 3805301 3951605 3985079 4138295 4355465 4374515 4581185 5532247 5822569 6097651 6124321 6413659 6693535 7009765 7340935 9370949 9813671 10241915 10277309 10725785 11232515 11763185 11814635 12434645 14338681 15016099 15725521 16623157 17408503 18077815 19026505 19925395 25435433 26637107 27661235 27895553 29112845 30488255 30621605 32068295 38919277 40757983 42683557 42870247 44895613 46854745 47251651 49068355 51386545 65596643 68695697 71693405 72300719 75080495 78627605 83115785 87042515 100370767 105112693 110628811 111112681 116362099 121859521 127177165 133185535 139477765 170015789 178048031 186459749 194596385 195268871 203789915 213417785 214351235 224478065 236258255 272434939 285305881 298784899 300091729 315839983 327983215 330761557 343478485 361503595 459176501 483273227 501853835 506105033 525563465 553144055 555563405 581810495 609297605 702595369 739466263 774401677 777788767 814534693 850078945 853016647 890240155 932298745 976344355 1190110523 1246336217 1305218243 1362174695 1426529405 1493924495 1500458645 1579199915 1653807785 1907044573 1997141167 2111140939 2210879881 2295882505 2315330899 2416366135 2530525165 3230299991 3382912589 3512976845 3542735231 3697331315 3872008385 3888943835 4072673465 4265083235 5176263841 5420811739 5444521369 5701742851 5950552615 6000959677 6231681085 6526091215 8330773661 8724353519 9182191313 9535222865 9985705835 10555704695 11054399405 11576654495 13349312011 14049858997 14111310487 14777986573 15476159167 16151499955 16207316293 16914562945 17713676155 22612099937 23680388123 24799146617 25881319205 27104058695 27222606845 28508714255 30004798385 36233846887 37945682173 38111649583 40111677841 41653868305 42006717739 43621767595 45910956565 58315415627 61375699829 64275339191 66746560055 70249294985 70556552435 73889932865 77380795835 81036581465 98349012979 98779173409 103445906011 108333114169 113060499685 118401940615 123995733085 158284699559 165762716861 181169234435 189728410865 190558247915 200558389205 210033588695 253636928209 268114899253 280781744887 291577078135 294047024173 306878499145 321376695955 429629898803 449927374337 491745064895 493895867045 517229530055 541665570845 688443090853 691454213863 724121342077 762121878979 791423497795 828813584305 1107992896913 1166138296751 1268184641045 1340574496265 1403908724435 1470235120865 1876804294771 1965472214209 2058329169211 2148149494015 2249636871685 3007409291621 3149491620359 3442215454265 3457271069315 3620606710385 3810609394895 4819101635971 4840179497041 5094183085807 5334853152853 5539964484565 5830691483755 8162968077257 9384021473855 9827361071045 10291645846055 13137630063397 13758305499463 15037046458105 15747458101795 21051865041347 24095508179855 24200897485205 25470915429035 26674265764265 35659281600649 37343972069971 40814840386285 57140776540799 65688150316985 68791527497315 91963410443779 96789478630333 105259325206735 178296408003245 186719860349855 249614971204543 261407804489797 285703882703995 399985435785593 459817052218895 483947393151665 677526350412331 1248074856022715 1307039022448985 1747304798431801 1999927178927965 3387631752061655 4742684452886317 8736523992159005 23713422264431585 33198791170204219 165993955851021095
• Sum of all divisors σ(n): 250157662494720000
• Sum of proper divisors (its aliquot sum) s(n): 84163706643698905
• 165993955851021095 is a deficient number, because the sum of its proper divisors (84163706643698905) is less than itself. Its deficiency is 81830249207322190

Bases of 165993955851021095

• Binary: 1001001101101110101001111110010101010111001010101100100111₂
• Hexadecimal: 0x24DBA9F955CAB27
• Base-36: 19EFY2L0RINB

Squares and roots of 165993955851021095

• 165993955851021095 squared (165993955851021095²) is 27553993379070740419198354134999025
• 165993955851021095 cubed (165993955851021095³) is 4573796360484796044040624326366034439058523079432375
• The square root of 165993955851021095 is 407423558.2916396541
• The cube root of 165993955851021095 is 549579.7956826055

Scales and comparisons

• 165,993,955,851,021,095 seconds is equal to 5,278,094,343 years, 2 weeks, 2 days, 7 hours, 11 minutes, 35 seconds.
• To count from 1 to 165,993,955,851,021,095 would take you about fifteen billion, eight hundred thirty-four million, two hundred eighty-three thousand and twenty-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 165993955851021095 cubic inches would be around 45798.3 feet tall.

Recreational maths with 165993955851021095

• 165993955851021095 backwards is 590120158559399561
• 165993955851021095 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 165993955851021095's digits is 83
• More coming soon!