18446409580420

Names of 18446409580420

• Cardinal: 18446409580420 can be written as Eighteen trillion, four hundred forty-six billion, four hundred nine million, five hundred eighty thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.844640958042 × 10¹³

Factors of 18446409580420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2898

Divisors of 18446409580420

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 10 20 29 58 116 145 149 290 298 580 596 745 841 1490 1682 2713 2980 3364 4205 4321 5426 8410 8642 10852 13565 16820 17284 21605 27130 43210 54260 78677 86420 125309 157354 250618 314708 393385 404237 501236 626545 786770 808474 1253090 1573540 1616948 2021185 2281633 2506180 4042370 4563266 7360369 8084740 9126532 11408165 11722873 14720738 22816330 23445746 29441476 36801845 45632660 46891492 58614365 73603690 117228730 147207380 213450701 234457460 339963317 426901402 679926634 853802804 1067253505 1096694981 1359853268 1699816585 2134507010 2193389962 3399633170 4269014020 4386779924 5483474905 6190070329 6799266340 10966949810 12380140658 21933899620 24760281316 30950351645 31804154449 61900703290 63608308898 123801406580 127216617796 159020772245 318041544490 636083088980 922320479021 1844640958042 3689281916084 4611602395105 9223204790210 18446409580420
• Sum of all divisors σ(n): 40403445345900
• Sum of proper divisors (its aliquot sum) s(n): 21957035765480
• 18446409580420 is an abundant number, because the sum of its proper divisors (21957035765480) is greater than itself. Its abundance is 3510626185060

Bases of 18446409580420

• Binary: 100001100011011100011101100001011111110000100₂
• Hexadecimal: 0x10C6E3B0BF84
• Base-36: 6JE5VZPMS

Squares and roots of 18446409580420

• 18446409580420 squared (18446409580420²) is 340270026408610760447376400
• 18446409580420 cubed (18446409580420³) is 6276760275073563937099185630213810088000
• The square root of 18446409580420 is 4294928.3556795217
• The cube root of 18446409580420 is 26422.2997898995

Scales and comparisons

• 18,446,409,580,420 seconds is equal to 586,538 years, 39 weeks, 5 days, 21 hours, 13 minutes, 40 seconds.
• To count from 1 to 18,446,409,580,420 would take you about one million, four hundred sixty-six thousand, three hundred forty-six 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 18446409580420 cubic inches would be around 2201.9 feet tall.

Recreational maths with 18446409580420

• 18446409580420 backwards is 02408590464481
• The number of decimal digits it has is: 14
• The sum of 18446409580420's digits is 55
• More coming soon!