15818842216428

Names of 15818842216428

• Cardinal: 15818842216428 can be written as Fifteen trillion, eight hundred eighteen billion, eight hundred forty-two million, two hundred sixteen thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.5818842216428 × 10¹³

Factors of 15818842216428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 47677

Divisors of 15818842216428

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 31 62 93 124 186 372 521 1042 1563 1801 2084 3126 3602 5403 6252 7204 10806 16151 21612 32302 45319 48453 55831 64604 90638 96906 111662 135957 167493 181276 193812 223324 271914 334986 543828 669972 938321 1404889 1876642 2809778 2814963 3753284 4214667 5619556 5629926 8429334 11259852 16858668 23611199 29087951 47222398 58175902 70833597 81619519 87263853 94444796 116351804 141667194 163239038 174527706 244858557 283334388 326478076 349055412 489717114 731947169 979434228 1463894338 2195841507 2530205089 2927788676 4391683014 5060410178 7590615267 8783366028 10120820356 15181230534 30362461068 42523769399 85047538798 127571308197 170095077596 255142616394 510285232788 1318236851369 2636473702738 3954710554107 5272947405476 7909421108214 15818842216428
• Sum of all divisors σ(n): 38196467527680
• Sum of proper divisors (its aliquot sum) s(n): 22377625311252
• 15818842216428 is an abundant number, because the sum of its proper divisors (22377625311252) is greater than itself. Its abundance is 6558783094824

Bases of 15818842216428

• Binary: 11100110001100011100011110001001011111101100₂
• Hexadecimal: 0xE631C7897EC
• Base-36: 5LV2Q83XO

Squares and roots of 15818842216428

• 15818842216428 squared (15818842216428²) is 250235769068244719593079184
• 15818842216428 cubed (15818842216428³) is 3958440147797077464479292077275869634752
• The square root of 15818842216428 is 3977290.8136604745
• The cube root of 15818842216428 is 25102.9579200227

Scales and comparisons

• 15,818,842,216,428 seconds is equal to 502,990 years, 13 weeks, 13 hours, 53 minutes, 48 seconds.
• To count from 1 to 15,818,842,216,428 would take you about one million, two hundred fifty-seven thousand, four hundred seventy-five 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 15818842216428 cubic inches would be around 2091.9 feet tall.

Recreational maths with 15818842216428

• 15818842216428 backwards is 82461224881851
• The number of decimal digits it has is: 14
• The sum of 15818842216428's digits is 60
• More coming soon!