18071856491077648

Names of 18071856491077648

• Cardinal: 18071856491077648 can be written as Eighteen quadrillion, seventy-one trillion, eight hundred fifty-six billion, four hundred ninety-one million, seventy-seven thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.8071856491077648 × 10¹⁶

Factors of 18071856491077648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 12054

Divisors of 18071856491077648

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 56 62 112 124 193 217 248 386 434 496 772 868 1351 1544 1736 2702 3088 3472 5404 5983 10808 11821 11966 21616 23642 23932 37249 41881 47284 47864 74498 82747 83762 94568 95728 148996 165494 167524 189136 260743 297992 330988 335048 366451 521486 595984 661976 670096 732902 1042972 1154719 1323952 1465804 2085944 2281453 2309438 2565157 2931608 4171888 4562906 4618876 5130314 5863216 8083033 9125812 9237752 10260628 15970171 16166066 18251624 18475504 20521256 31940342 32332132 36503248 41042512 63880684 64664264 70725043 127761368 129328528 139736041 141450086 255522736 279472082 282900172 440320429 495075301 558944164 565800344 880640858 978152287 990150602 1117888328 1131600688 1761281716 1956304574 1980301204 2235776656 3082243003 3522563432 3912609148 3960602408 4331817271 6164486006 7045126864 7825218296 7921204816 8663634542 12328972012 13649933299 15650436592 17327269084 24657944024 26969055913 27299866598 30322720897 34654538168 49315888048 53938111826 54599733196 60645441794 69309076336 95549533093 107876223652 109199466392 121290883588 188783391391 191099066186 215752447304 218398932784 242581767176 377566782782 382198132372 431504894608 485163534352 755133565564 764396264744 836040733303 1510267131128 1528792529488 1672081466606 3020534262256 3344162933212 5205027791209 5852285133121 6688325866424 10410055582418 11704570266242 13376651732848 20820111164836 23409140532484 36435194538463 41640222329672 46818281064968 72870389076926 83280444659344 93636562129936 145740778153852 161355861527479 291481556307704 322711723054958 582963112615408 645423446109916 1129491030692353 1290846892219832 2258982061384706 2581693784439664 4517964122769412 9035928245538824 18071856491077648
• Sum of all divisors σ(n): 41525748803476224
• Sum of proper divisors (its aliquot sum) s(n): 23453892312398576
• 18071856491077648 is an abundant number, because the sum of its proper divisors (23453892312398576) is greater than itself. Its abundance is 5382035821320928

Bases of 18071856491077648

• Binary: 1000000001101000100000111111010100101010010000000010000₂
• Hexadecimal: 0x403441FA952010
• Base-36: 4XXXS9DA39S

Squares and roots of 18071856491077648

• 18071856491077648 squared (18071856491077648²) is 326591997034105320106632365211904
• 18071856491077648 cubed (18071856491077648³) is 5902123701534808192932381131301069682762837921792
• The square root of 18071856491077648 is 134431605.2536666245
• The cube root of 18071856491077648 is 262422.4120980183

Scales and comparisons

• 18,071,856,491,077,648 seconds is equal to 574,629,136 years, 25 weeks, 4 days, 18 hours, 27 minutes, 28 seconds.
• To count from 1 to 18,071,856,491,077,648 would take you about one billion, seven hundred twenty-three million, eight hundred eighty-seven thousand, four hundred 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 18071856491077648 cubic inches would be around 21868.5 feet tall.

Recreational maths with 18071856491077648

• 18071856491077648 backwards is 84677019465817081
• The number of decimal digits it has is: 17
• The sum of 18071856491077648's digits is 82
• More coming soon!