821157704530429

Names of 821157704530429

• Cardinal: 821157704530429 can be written as Eight hundred twenty-one trillion, one hundred fifty-seven billion, seven hundred four million, five hundred thirty thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 8.21157704530429 × 10¹⁴

Factors of 821157704530429

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 387

Divisors of 821157704530429

• Number of divisors d(n): 180
• Complete list of divisors:
  1 7 31 49 59 139 151 217 343 413 973 1057 1519 1829 2401 2891 3481 4309 4681 6811 7399 8201 8909 10633 12803 20237 20989 22801 24367 30163 32767 47677 51793 57407 62363 74431 89621 107911 141659 146923 159607 170569 211141 229369 254231 276179 333739 362551 401849 436541 483859 525631 627347 650659 706831 755377 1028461 1117249 1193983 1238351 1345259 1477987 1605583 1779617 1933253 2812943 3055787 3169339 3387013 3679417 4391429 4554613 4947817 5287639 7199227 7820743 8357881 8668457 9416813 10345909 11239081 12457319 13532771 14999629 16294561 19690601 21390509 22185373 23709091 25755919 31882291 34634719 37013473 38388881 41703029 50394589 54745201 60679199 65917691 73062709 79370281 87201233 94729397 98249509 104997403 114061927 155297611 165963637 180291433 186991001 223176037 242443033 259094311 268722167 291921203 424754393 461423837 511438963 555591967 610408631 663105779 687746563 734981821 798433489 1087083277 1161745459 1262040031 1308937007 1562232259 1697101231 1881055169 2043448421 2264943979 2460478711 2973280751 3229966859 3580072741 3889143769 4814225941 5144872747 5589034423 5796721031 7609582939 9162559049 11032469059 13167386183 14304138947 15854607853 17223350977 25060509187 27224006383 33699581587 36014109229 39123240961 40577047217 64137913343 77227283413 92171703281 100128972629 110982254971 120563456839 175423564309 190568044681 235897071109 284039330519 342006540829 448965393401 540590983891 776875784797 843944197873 1988275313633 2394045785803 3784136887237 5438130493579 5907609385111 13917927195431 16758320500621 26488958210659 117308243504347 821157704530429
• Sum of all divisors σ(n): 1019897450759040
• Sum of proper divisors (its aliquot sum) s(n): 198739746228611
• 821157704530429 is a deficient number, because the sum of its proper divisors (198739746228611) is less than itself. Its deficiency is 622417958301818

Bases of 821157704530429

• Binary: 10111010101101011010101101010010000111100111111101₂
• Hexadecimal: 0x2EAD6AD4879FD
• Base-36: 832QN3M3GD

Squares and roots of 821157704530429

• 821157704530429 squared (821157704530429²) is 674299975709683335831386924041
• 821157704530429 cubed (821157704530429³) is 553706620218687600434074239822836696596143589
• The square root of 821157704530429 is 28655849.3946773283
• The cube root of 821157704530429 is 93643.0443003629

Scales and comparisons

• 821,157,704,530,429 seconds is equal to 26,110,274 years, 51 weeks, 5 days, 17 hours, 33 minutes, 49 seconds.
• To count from 1 to 821,157,704,530,429 would take you about sixty-five million, two hundred seventy-five thousand, six hundred eighty-seven 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 821157704530429 cubic inches would be around 7803.6 feet tall.

Recreational maths with 821157704530429

• 821157704530429 backwards is 924035407751128
• The number of decimal digits it has is: 15
• The sum of 821157704530429's digits is 58
• More coming soon!