19490376918420

Names of 19490376918420

• Cardinal: 19490376918420 can be written as Nineteen trillion, four hundred ninety billion, three hundred seventy-six million, nine hundred eighteen thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.949037691842 × 10¹³

Factors of 19490376918420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 216994240

Divisors of 19490376918420

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 499 998 1497 1996 2495 2994 4491 4990 5988 7485 8982 9980 14970 17964 22455 29940 44910 89820 216993731 433987462 650981193 867974924 1084968655 1301962386 1952943579 2169937310 2603924772 3254905965 3905887158 4339874620 6509811930 7811774316 9764717895 13019623860 19529435790 39058871580 108279871769 216559743538 324839615307 433119487076 541399358845 649679230614 974518845921 1082798717690 1299358461228 1624198076535 1949037691842 2165597435380 3248396153070 3898075383684 4872594229605 6496792306140 9745188459210 19490376918420
• Sum of all divisors σ(n): 59239288836000
• Sum of proper divisors (its aliquot sum) s(n): 39748911917580
• 19490376918420 is an abundant number, because the sum of its proper divisors (39748911917580) is greater than itself. Its abundance is 20258534999160

Bases of 19490376918420

• Binary: 100011011100111110100111111100010010110010100₂
• Hexadecimal: 0x11B9F4FE2594
• Base-36: 6WPR76V10

Squares and roots of 19490376918420

• 19490376918420 squared (19490376918420²) is 379874792422079095335296400
• 19490376918420 cubed (19490376918420³) is 7403902886112879126110655645289319688000
• The square root of 19490376918420 is 4414790.6992766939
• The cube root of 19490376918420 is 26911.6347170239

Scales and comparisons

• 19,490,376,918,420 seconds is equal to 619,733 years, 36 weeks, 2 days, 4 hours, 27 minutes.
• To count from 1 to 19,490,376,918,420 would take you about one million, five hundred forty-nine thousand, three hundred thirty-four 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 19490376918420 cubic inches would be around 2242.6 feet tall.

Recreational maths with 19490376918420

• 19490376918420 backwards is 02481967309491
• The number of decimal digits it has is: 14
• The sum of 19490376918420's digits is 63
• More coming soon!