18156472170840064

Names of 18156472170840064

• Cardinal: 18156472170840064 can be written as Eighteen quadrillion, one hundred fifty-six trillion, four hundred seventy-two billion, one hundred seventy million, eight hundred forty thousand and sixty-four.

Scientific notation

• Scientific notation: 1.8156472170840064 × 10¹⁶

Factors of 18156472170840064

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 282

Divisors of 18156472170840064

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 16 32 47 64 94 128 188 233 256 376 466 512 752 932 1024 1504 1864 2048 3008 3728 4096 6016 7456 8192 10951 12032 14912 16384 21902 24064 29824 32768 43804 48128 54289 59648 65536 87608 96256 108578 119296 131072 175216 192512 217156 238592 350432 385024 434312 477184 700864 770048 868624 954368 1401728 1540096 1737248 1908736 2551583 2803456 3080192 3474496 3817472 5103166 5606912 6160384 6948992 7634944 10206332 11213824 12649337 13897984 15269888 20412664 22427648 25298674 27795968 30539776 40825328 44855296 50597348 55591936 81650656 89710592 101194696 111183872 163301312 179421184 202389392 222367744 326602624 358842368 404778784 444735488 594518839 653205248 717684736 809557568 889470976 1189037678 1306410496 1435369472 1619115136 1778941952 2378075356 2612820992 2947295521 3238230272 3557883904 4756150712 5225641984 5894591042 6476460544 7115767808 9512301424 10451283968 11789182084 12952921088 19024602848 20902567936 23578364168 25905842176 38049205696 41805135872 47156728336 51811684352 76098411392 83610271744 94313456672 103623368704 138522889487 152196822784 167220543488 188626913344 207246737408 277045778974 304393645568 334441086976 377253826688 414493474816 554091557948 608787291136 754507653376 828986949632 1108183115896 1217574582272 1509015306752 1657973899264 2216366231792 2435149164544 3018030613504 4432732463584 4870298329088 6036061227008 8865464927168 9740596658176 12072122454016 17730929854336 19481193316352 24144244908032 35461859708672 38962386632704 48288489816064 70923719417344 77924773265408 96576979632128 141847438834688 193153959264256 283694877669376 386307918528512 567389755338752 1134779510677504 2269559021355008 4539118042710016 9078236085420032 18156472170840064
• Sum of all divisors σ(n): 37245269651207184
• Sum of proper divisors (its aliquot sum) s(n): 19088797480367120
• 18156472170840064 is an abundant number, because the sum of its proper divisors (19088797480367120) is greater than itself. Its abundance is 932325309527056

Bases of 18156472170840064

• Binary: 1000000100000010011011100011010000111100000000000000000₂
• Hexadecimal: 0x4081371A1E0000
• Base-36: 4YRXK60AR5S

Squares and roots of 18156472170840064

• 18156472170840064 squared (18156472170840064²) is 329657481690489706174743467524096
• 18156472170840064 cubed (18156472170840064³) is 5985416892222594286532046469518527524710482182144
• The square root of 18156472170840064 is 134745954.1909888439
• The cube root of 18156472170840064 is 262831.3441604205

Scales and comparisons

• 18,156,472,170,840,064 seconds is equal to 577,319,653 years, 19 weeks, 4 days, 4 hours, 1 minute, 4 seconds.
• To count from 1 to 18,156,472,170,840,064 would take you about one billion, seven hundred thirty-one million, nine hundred fifty-eight thousand, nine hundred sixty 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 18156472170840064 cubic inches would be around 21902.6 feet tall.

Recreational maths with 18156472170840064

• 18156472170840064 backwards is 46004807127465181
• 18156472170840064 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18156472170840064's digits is 64
• More coming soon!