8188325145

Names of 8188325145

• Cardinal: 8188325145 can be written as Eight billion, one hundred eighty-eight million, three hundred twenty-five thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 8.188325145 × 10⁹

Factors of 8188325145

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 93

Divisors of 8188325145

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 11 13 15 17 21 33 35 37 39 45 51 55 63 65 77 85 91 99 105 111 117 119 143 153 165 185 187 195 221 231 255 259 273 289 315 333 357 385 407 429 455 481 495 555 561 585 595 629 663 693 715 765 777 819 867 935 1001 1071 1105 1155 1221 1287 1295 1309 1365 1443 1445 1547 1665 1683 1785 1887 1989 2023 2035 2145 2331 2405 2431 2601 2805 2849 3003 3145 3179 3315 3367 3465 3663 3757 3885 3927 4095 4329 4335 4403 4641 4913 5005 5291 5355 5661 6069 6105 6435 6545 6919 7215 7293 7735 8177 8415 8547 9009 9435 9537 9945 10101 10115 10693 11271 11655 11781 12155 13005 13209 13923 14245 14739 15015 15873 15895 16835 17017 18207 18315 18785 19635 20757 21645 21879 22015 22253 23205 24531 24565 25641 26299 26455 28305 28611 30303 30345 32079 33813 34391 34595 36465 37037 39627 40885 41327 42735 44217 45045 47619 47685 48433 50505 51051 53465 54043 56355 57239 58905 62271 63869 66045 66759 69615 73593 73695 74851 78897 79365 85085 89947 91035 96237 103173 103785 109395 111111 111265 117623 122655 123981 128205 131495 139009 143055 145299 151515 153153 160395 162129 169065 171717 171955 181781 185185 191607 198135 200277 206635 221085 224553 236691 238095 242165 255255 269841 270215 286195 289289 309519 311355 319345 333333 333795 352869 367965 371943 374255 378301 394485 417027 435897 447083 449735 481185 486387 515151 515865 545343 555555 574821 588115 619905 629629 673659 695045 702559 726495 765765 809523 810645 823361 858585 867867 908905 958035 973063 1001385 1058607 1122765 1134903 1183455 1251081 1272467 1341249 1349205 1446445 1529099 1547595 1636029 1666665 1764345 1859715 1888887 1891505 1999591 2085135 2107677 2179485 2235415 2363153 2431935 2470083 2575755 2603601 2726715 2874105 2919189 3148145 3368295 3404709 3512795 3817401 4023747 4047615 4116805 4339335 4587297 4865315 4917913 5293035 5666661 5674515 5998773 6255405 6323031 6362335 6706245 7089459 7410249 7645495 8180145 8757567 9444435 9997955 10538385 10703693 11452203 11815765 12350415 13018005 13761891 13997137 14595945 14753739 16542071 17023545 17996319 19087005 20118735 21268377 22936485 24589565 25994683 28333305 29993865 31615155 32111079 35447295 37051245 41991411 43787835 44261217 49626213 53518465 57261015 68809455 69985685 73768695 77984049 82710355 89981595 96333237 106341885 125974233 129973415 148878639 160555395 181962781 209957055 221306085 233952147 248131065 389920245 481666185 545888343 629871165 744393195 909813905 1169760735 1637665029 2729441715 8188325145
• Sum of all divisors σ(n): 20794475520
• Sum of proper divisors (its aliquot sum) s(n): 12606150375
• 8188325145 is an abundant number, because the sum of its proper divisors (12606150375) is greater than itself. Its abundance is 4417825230

Bases of 8188325145

• Binary: 111101000000011111110110100011001₂
• Hexadecimal: 0x1E80FED19
• Base-36: 3RF4849

Squares and roots of 8188325145

• 8188325145 squared (8188325145²) is 67048668680239271025
• 8188325145 cubed (8188325145³) is 549016299693177187550477423625
• The square root of 8188325145 is 90489.3648170877
• The cube root of 8188325145 is 2015.5722006865

Scales and comparisons

• 8,188,325,145 seconds is equal to 260 years, 18 weeks, 6 days, 6 hours, 45 minutes, 45 seconds.
• To count from 1 to 8,188,325,145 would take you about five hundred twenty 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 8188325145 cubic inches would be around 168 feet tall.

Recreational maths with 8188325145

• 8188325145 backwards is 5415238818
• 8188325145 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8188325145's digits is 45
• More coming soon!