81829479375

Names of 81829479375

• Cardinal: 81829479375 can be written as Eighty-one billion, eight hundred twenty-nine million, four hundred seventy-nine thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 8.1829479375 × 10¹⁰

Factors of 81829479375

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 264

Divisors of 81829479375

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 5 7 9 15 21 25 31 35 45 49 61 63 75 93 105 125 147 155 157 175 183 217 225 245 279 305 315 375 427 441 465 471 525 549 625 651 735 775 785 875 915 1085 1099 1125 1225 1281 1395 1413 1519 1525 1575 1875 1891 1953 2135 2205 2325 2355 2625 2745 2989 3255 3297 3675 3843 3875 3925 4375 4557 4575 4867 5425 5495 5625 5673 6125 6405 6975 7065 7595 7625 7693 7875 8967 9455 9577 9765 9891 10675 11025 11625 11775 13125 13237 13671 13725 14601 14945 16275 16485 17019 18375 19215 19375 19625 22785 22875 23079 24335 26901 27125 27475 28365 28731 30625 32025 34069 34875 35325 37975 38125 38465 39375 39711 43803 44835 47275 47885 48825 49455 53375 55125 58125 58875 66185 67039 68355 68625 69237 73005 74725 81375 82425 85095 86193 91875 92659 96075 98125 102207 113925 114375 115395 119133 121675 134505 135625 137375 141825 143655 160125 170345 174375 176625 189875 192325 198555 201117 219015 224175 236375 238483 239425 244125 247275 266875 275625 277977 294375 296887 306621 330925 335195 341775 343125 346185 365025 373625 406875 412125 425475 430965 463295 469273 480375 511035 569625 576975 595665 603351 608375 672525 686875 709125 715449 718275 800625 833931 851725 883125 890661 949375 961625 992775 1005585 1095075 1120875 1181875 1192415 1197125 1220625 1236375 1389885 1407819 1484435 1533105 1654625 1675975 1708875 1730925 1825125 1868125 2060625 2078209 2127375 2146347 2154825 2316475 2346365 2401875 2555175 2671983 2848125 2884875 2978325 3016755 3041875 3362625 3545625 3577245 3591375 4169655 4223457 4258625 4453305 4808125 4963875 5027925 5475375 5604375 5962075 5985625 6181875 6234627 6949425 7039095 7422175 7665525 8273125 8379875 8544375 8654625 9125625 10391045 10636875 10731735 10774125 11582375 11731825 12775875 13359915 14424375 14547463 14891625 15083775 16813125 17886225 17956875 18703881 20848275 21117285 21293125 22266525 24819375 25139625 27376875 29810375 31173135 34747125 35195475 37110875 38327625 41899375 43273125 43642389 51955225 53658675 53870625 57911875 58659125 63879375 66799575 72737315 74458125 75418875 89431125 93519405 104241375 105586425 111332625 125698125 130927167 149051875 155865675 173735625 175977375 185554375 191638125 218211945 259776125 268293375 293295625 333997875 363686575 377094375 447155625 467597025 521206875 527932125 556663125 654635835 779328375 879886875 1091059725 1298880625 1341466875 1669989375 1818432875 2337985125 2639660625 3273179175 3896641875 5455298625 9092164375 11689925625 16365895875 27276493125 81829479375
• Sum of all divisors σ(n): 181412829312
• Sum of proper divisors (its aliquot sum) s(n): 99583349937
• 81829479375 is an abundant number, because the sum of its proper divisors (99583349937) is greater than itself. Its abundance is 17753870562

Bases of 81829479375

• Binary: 1001100001101011010101100001111001111₂
• Hexadecimal: 0x130D6AC3CF
• Base-36: 11LB5QDR

Squares and roots of 81829479375

• 81829479375 squared (81829479375²) is 6696063694783550390625
• 81829479375 cubed (81829479375³) is 547935406005976831778921630859375
• The square root of 81829479375 is 286058.5243879301
• The cube root of 81829479375 is 4341.4679174291

Scales and comparisons

• 81,829,479,375 seconds is equal to 2,601 years, 48 weeks, 10 hours, 56 minutes, 15 seconds.
• To count from 1 to 81,829,479,375 would take you about five thousand, two hundred three 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 81829479375 cubic inches would be around 361.8 feet tall.

Recreational maths with 81829479375

• 81829479375 backwards is 57397492818
• 81829479375 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81829479375's digits is 63
• More coming soon!