820195850624641992

Names of 820195850624641992

• Cardinal: 820195850624641992 can be written as Eight hundred twenty quadrillion, one hundred ninety-five trillion, eight hundred fifty billion, six hundred twenty-four million, six hundred forty-one thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 8.20195850624641992 × 10¹⁷

Factors of 820195850624641992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 187

Divisors of 820195850624641992

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 151 186 248 279 302 372 453 558 604 744 906 961 1116 1208 1359 1812 1922 2232 2718 2883 3624 3844 4681 5436 5766 7688 8649 9362 10872 11532 14043 17298 18724 22801 23064 28086 34596 37448 42129 45602 56172 68403 69192 84258 91204 112344 136806 145111 168516 182408 205209 273612 290222 337032 410418 435333 547224 580444 706831 820836 870666 1160888 1305999 1413662 1641672 1741332 2120493 2611998 2827324 3442951 3482664 4240986 5223996 5654648 6361479 6885902 8481972 10328853 10447992 12722958 13771804 16963944 20657706 21911761 25445916 27543608 30986559 41315412 43823522 50891832 61973118 65735283 82630824 87647044 106731481 123946236 131470566 175294088 197205849 213462962 247892472 262941132 320194443 394411698 426925924 519885601 525882264 640388886 788823396 853851848 960583329 1039771202 1280777772 1559656803 1577646792 1921166658 2079542404 2561555544 3119313606 3308675911 3842333316 4159084808 4678970409 6238627212 6617351822 7684666632 9357940818 9926027733 12477254424 13234703644 16116453631 18715881636 19852055466 26469407288 29778083199 32232907262 37431763272 39704110932 48349360893 59556166398 64465814524 78502725751 79408221864 96698721786 119112332796 128931629048 145048082679 157005451502 193397443572 235508177253 238224665592 290096165358 314010903004 386794887144 471016354506 499610062561 580192330716 628021806008 706524531759 942032709012 999220125122 1160384661432 1413049063518 1498830187683 1884065418024 1998440250244 2433584498281 2826098127036 2997660375366 3996880500488 4496490563049 4867168996562 5652196254072 5995320750732 7300753494843 8992981126098 9734337993124 11853911588401 11990641501464 14601506989686 17985962252196 19468675986248 21902260484529 23707823176802 29203013979372 35561734765203 35971924504392 43804520969058 47415646353604 58406027958744 71123469530406 75441119446711 87609041938116 94831292707208 106685204295609 142246939060812 150882238893422 175218083876232 213370408591218 226323358340133 284493878121624 301764477786844 367471259240431 426740817182436 452646716680266 603528955573688 678970075020399 734942518480862 853481634364872 905293433360532 1102413777721293 1357940150040798 1469885036961724 1810586866721064 2204827555442586 2715880300081596 2939770073923448 3307241333163879 4409655110885172 5431760600163192 6614482666327758 8819310221770344 11391609036453361 13228965332655516 22783218072906722 26457930665311032 34174827109360083 45566436145813444 68349654218720166 91132872291626888 102524481328080249 136699308437440332 205048962656160498 273398616874880664 410097925312320996 820195850624641992
• Sum of all divisors σ(n): 2310634384889493195
• Sum of proper divisors (its aliquot sum) s(n): 1490438534264851203
• 820195850624641992 is an abundant number, because the sum of its proper divisors (1490438534264851203) is greater than itself. Its abundance is 670242683640209211

Bases of 820195850624641992

• Binary: 101101100001111010111100011111010010101110110010101111001000₂
• Hexadecimal: 0xB61EBC7D2BB2BC8
• Base-36: 68BZ5W3CLPE0

Squares and roots of 820195850624641992

• 820195850624641992 squared (820195850624641992²) is 672721233381880039538444018169728064
• 820195850624641992 cubed (820195850624641992³) is 551763164246909404907622143762467985811357531995263488
• The square root of 820195850624641992 is 905646647.7741978547
• The cube root of 820195850624641992 is 936064.6743732575
• Being both a perfect square and a perfect cube, 820195850624641992 is also a perfect sixth number.

Scales and comparisons

• 820,195,850,624,641,992 seconds is equal to 26,079,691,017 years, 27 weeks, 19 hours, 13 minutes, 12 seconds.
• To count from 1 to 820,195,850,624,641,992 would take you about seventy-eight billion, two hundred thirty-nine million, seventy-three thousand and fifty-two 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 820195850624641992 cubic inches would be around 78005.4 feet tall.

Recreational maths with 820195850624641992

• 820195850624641992 backwards is 299146426058591028
• The number of decimal digits it has is: 18
• The sum of 820195850624641992's digits is 81
• More coming soon!