19490957390

Names of 19490957390

• Cardinal: 19490957390 can be written as Nineteen billion, four hundred ninety million, nine hundred fifty-seven thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.949095739 × 10¹⁰

Factors of 19490957390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 603

Divisors of 19490957390

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 23 46 59 115 118 197 230 295 317 394 529 590 634 985 1058 1357 1585 1970 2645 2714 3170 4531 5290 6785 7291 9062 11623 13570 14582 18703 22655 23246 31211 36455 37406 45310 58115 62422 62449 72910 93515 104213 116230 124898 156055 167693 187030 208426 267329 312110 312245 335386 430169 521065 534658 624490 838465 860338 1042130 1336645 1436327 1676930 2150845 2673290 2872654 3684491 4301690 6148567 7181635 7368982 9893887 12297134 14363270 18422455 19787774 30742835 33035521 36844910 49469435 61485670 66071042 84743293 98938870 165177605 169486586 330355210 423716465 847432930 1949095739 3898191478 9745478695 19490957390
• Sum of all divisors σ(n): 37604619360
• Sum of proper divisors (its aliquot sum) s(n): 18113661970
• 19490957390 is a deficient number, because the sum of its proper divisors (18113661970) is less than itself. Its deficiency is 1377295420

Bases of 19490957390

• Binary: 10010001001110000000110100001001110₂
• Hexadecimal: 0x489C0684E
• Base-36: 8YCEUZ2

Squares and roots of 19490957390

• 19490957390 squared (19490957390²) is 379897419978795612100
• 19490957390 cubed (19490957390³) is 7404564425377639978960068419000
• The square root of 19490957390 is 139610.0189456329
• The cube root of 19490957390 is 2691.1901879363

Scales and comparisons

• 19,490,957,390 seconds is equal to 619 years, 39 weeks, 18 hours, 49 minutes, 50 seconds.
• To count from 1 to 19,490,957,390 would take you about one thousand, two hundred thirty-nine 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 19490957390 cubic inches would be around 224.3 feet tall.

Recreational maths with 19490957390

• 19490957390 backwards is 09375909491
• The number of decimal digits it has is: 11
• The sum of 19490957390's digits is 56
• More coming soon!