825809985

Names of 825809985

• Cardinal: 825809985 can be written as Eight hundred twenty-five million, eight hundred nine thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 8.25809985 × 10⁸

Factors of 825809985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 136

Divisors of 825809985

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 11 13 15 21 27 33 35 39 45 49 55 63 65 77 81 91 97 99 105 117 135 143 147 165 189 195 231 243 245 273 291 297 315 351 385 405 429 441 455 485 495 539 567 585 637 679 693 715 735 819 873 891 945 1001 1053 1067 1155 1215 1261 1287 1323 1365 1455 1485 1617 1701 1755 1911 2037 2079 2145 2205 2457 2619 2673 2695 2835 3003 3159 3185 3201 3395 3465 3783 3861 3969 4095 4365 4455 4753 4851 5005 5265 5335 5733 6111 6237 6305 6435 6615 7007 7371 7469 7857 8085 8505 8827 9009 9555 9603 10185 10395 11349 11583 11907 12285 13095 13365 13871 14259 14553 15015 15795 16005 17199 18333 18711 18915 19305 19845 21021 22113 22407 23571 23765 24255 26481 27027 28665 28809 30555 31185 34047 34749 35035 36855 37345 39285 41613 42777 43659 44135 45045 48015 51597 52283 54999 56745 57915 59535 61789 63063 67221 69355 71295 72765 79443 81081 85995 86427 91665 93555 97097 102141 105105 110565 112035 117855 124839 128331 130977 132405 135135 144045 154791 156849 164997 170235 173745 185367 189189 201663 208065 213885 218295 238329 243243 257985 259281 261415 274995 291291 306423 308945 315315 336105 374517 384993 397215 405405 432135 470547 485485 510705 556101 567567 604989 624195 641655 654885 679679 714987 773955 784245 824985 873873 926835 945945 1008315 1123551 1154979 1191645 1216215 1296405 1411641 1456455 1532115 1668303 1702701 1814967 1872585 1924965 2039037 2144961 2352735 2621619 2780505 2837835 3024945 3370653 3398395 3574935 4234923 4369365 5004909 5617755 5774895 6117111 7058205 7864857 8341515 8513505 9074835 10195185 10724805 12704769 13108095 15014727 16853265 18351333 21174615 23594571 25024545 30585555 39324285 55053999 63523845 75073635 91756665 117972855 165161997 275269995 825809985
• Sum of all divisors σ(n): 2049570432
• Sum of proper divisors (its aliquot sum) s(n): 1223760447
• 825809985 is an abundant number, because the sum of its proper divisors (1223760447) is greater than itself. Its abundance is 397950462

Bases of 825809985

• Binary: 110001001110001101110001000001₂
• Hexadecimal: 0x3138DC41
• Base-36: DNNZ29

Squares and roots of 825809985

• 825809985 squared (825809985²) is 681962131325700225
• 825809985 cubed (825809985³) is 563171137440644532921746625
• The square root of 825809985 is 28736.9098025519
• The cube root of 825809985 is 938.1955670049

Scales and comparisons

• 825,809,985 seconds is equal to 26 years, 13 weeks, 2 days, 23 hours, 39 minutes, 45 seconds.
• To count from 1 to 825,809,985 would take you about thirty-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 825809985 cubic inches would be around 78.2 feet tall.

Recreational maths with 825809985

• 825809985 backwards is 589908528
• The number of decimal digits it has is: 9
• The sum of 825809985's digits is 54
• More coming soon!