30681939015

Names of 30681939015

• Cardinal: 30681939015 can be written as Thirty billion, six hundred eighty-one million, nine hundred thirty-nine thousand and fifteen.

Scientific notation

• Scientific notation: 3.0681939015 × 10¹⁰

Factors of 30681939015

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 486

Divisors of 30681939015

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 13 15 21 35 37 39 45 63 65 91 105 111 117 169 185 195 259 273 315 333 421 455 481 507 555 585 777 819 845 1183 1263 1295 1365 1369 1443 1521 1665 2105 2331 2405 2535 2947 3367 3549 3789 3885 4095 4107 4329 5473 5915 6253 6315 6845 7215 7605 8841 9583 10101 10647 11655 12321 14735 15577 16419 16835 17745 17797 18759 18945 20535 21645 26523 27365 28749 30303 31265 38311 43771 44205 46731 47915 49257 50505 53235 53391 56277 61605 71149 77885 82095 86247 88985 93795 109039 114933 124579 131313 132615 140193 143745 151515 160173 191555 202501 213447 218855 231361 233655 246285 266955 281385 327117 344799 355745 373737 393939 431235 498043 545195 574665 576349 607503 622895 640341 656565 694083 700965 800865 981351 1012505 1067235 1121211 1156805 1417507 1494129 1619527 1635585 1723995 1729047 1822509 1868685 1969695 2082249 2490215 2632513 2881745 3037515 3201705 3470415 4034443 4252521 4482387 4858581 4906755 5187141 5606055 7087535 7470645 7492537 7897539 8097635 8645235 9112545 10411245 12103329 12757563 13162565 14575743 18427591 20172215 21262605 22411935 22477611 23692617 24292905 25935705 36309987 37462685 39487695 52447759 55282773 60516645 63787815 67432833 72878715 92137955 97402981 112388055 118463085 157343277 165848319 181549935 262238795 276413865 292208943 337164165 472029831 487014905 681820867 786716385 829241595 876626829 1461044715 2045462601 2360149155 3409104335 4383134145 6136387803 10227313005 30681939015
• Sum of all divisors σ(n): 67801956768
• Sum of proper divisors (its aliquot sum) s(n): 37120017753
• 30681939015 is an abundant number, because the sum of its proper divisors (37120017753) is greater than itself. Its abundance is 6438078738

Bases of 30681939015

• Binary: 11100100100110010010011110001000111₂
• Hexadecimal: 0x724C93C47
• Base-36: E3F8FNR

Squares and roots of 30681939015

• 30681939015 squared (30681939015²) is 941381381720179170225
• 30681939015 cubed (30681939015³) is 28883406143794973095716753828375
• The square root of 30681939015 is 175162.6073538527
• The cube root of 30681939015 is 3130.6001433367

Scales and comparisons

• 30,681,939,015 seconds is equal to 975 years, 30 weeks, 5 days, 50 minutes, 15 seconds.
• To count from 1 to 30,681,939,015 would take you about one thousand, nine hundred fifty-one 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 30681939015 cubic inches would be around 260.9 feet tall.

Recreational maths with 30681939015

• 30681939015 backwards is 51093918603
• 30681939015 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30681939015's digits is 45
• More coming soon!