18731145903713328

Names of 18731145903713328

• Cardinal: 18731145903713328 can be written as Eighteen quadrillion, seven hundred thirty-one trillion, one hundred forty-five billion, nine hundred three million, seven hundred thirteen thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8731145903713328 × 10¹⁶

Factors of 18731145903713328

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 207907541

Divisors of 18731145903713328

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 46 48 69 79 92 138 158 184 237 276 316 368 474 552 632 948 1033 1104 1264 1817 1896 2066 3099 3634 3792 4132 5451 6198 7268 8264 10902 12396 14536 16528 21804 23759 24792 29072 43608 47518 49584 71277 81607 87216 95036 142554 163214 190072 244821 285108 326428 380144 489642 570216 652856 979284 1140432 1305712 1876961 1958568 3753922 3917136 5630883 7507844 11261766 15015688 22523532 30031376 45047064 90094128 207906401 415812802 623719203 831625604 1247438406 1663251208 2494876812 3326502416 4781847223 4989753624 9563694446 9979507248 14345541669 16424605679 19127388892 28691083338 32849211358 38254777784 49273817037 57382166676 65698422716 76509555568 98547634074 114764333352 131396845432 197095268148 214767312233 229528666704 262793690864 377765930617 394190536296 429534624466 644301936699 755531861234 788381072592 859069248932 1133297791851 1288603873398 1511063722468 1718138497864 2266595583702 2577207746796 3022127444936 3436276995728 4533191167404 4939648181359 5154415493592 6044254889872 9066382334808 9879296362718 10308830987184 14818944544077 16966617666407 18132764669616 19758592725436 29637889088154 33933235332814 39517185450872 50899852999221 59275778176308 67866470665628 79034370901744 101799705998442 118551556352616 135732941331256 203599411996884 237103112705232 271465882662512 390232206327361 407198823993768 780464412654722 814397647987536 1170696618982083 1560928825309444 2341393237964166 3121857650618888 4682786475928332 6243715301237776 9365572951856664 18731145903713328
• Sum of all divisors σ(n): 51181300298557440
• Sum of proper divisors (its aliquot sum) s(n): 32450154394844112
• 18731145903713328 is an abundant number, because the sum of its proper divisors (32450154394844112) is greater than itself. Its abundance is 13719008491130784

Bases of 18731145903713328

• Binary: 1000010100010111110000011000001110100111010110000110000₂
• Hexadecimal: 0x428BE0C1D3AC30
• Base-36: 54FMXMV7R5C

Squares and roots of 18731145903713328

• 18731145903713328 squared (18731145903713328²) is 350855826866196587098899204835584
• 18731145903713328 cubed (18731145903713328³) is 6571931684198710816896938775548090602199309463552
• The square root of 18731145903713328 is 136861776.6350902225
• The cube root of 18731145903713328 is 265575.5659120795

Scales and comparisons

• 18,731,145,903,713,328 seconds is equal to 595,592,500 years, 25 weeks, 6 days, 20 hours, 48 minutes, 48 seconds.
• To count from 1 to 18,731,145,903,713,328 would take you about one billion, seven hundred eighty-six million, seven hundred seventy-seven thousand, five hundred 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 18731145903713328 cubic inches would be around 22131.3 feet tall.

Recreational maths with 18731145903713328

• 18731145903713328 backwards is 82331730954113781
• The number of decimal digits it has is: 17
• The sum of 18731145903713328's digits is 66
• More coming soon!