19492971740

Names of 19492971740

• Cardinal: 19492971740 can be written as Nineteen billion, four hundred ninety-two million, nine hundred seventy-one thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.949297174 × 10¹⁰

Factors of 19492971740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 259886

Divisors of 19492971740

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 11 20 22 31 44 55 62 110 121 124 155 220 242 310 341 484 605 620 682 1210 1364 1705 2420 3410 3751 6820 7502 15004 18755 37510 75020 259837 519674 1039348 1299185 2598370 2858207 5196740 5716414 8054947 11432828 14291035 16109894 28582070 31440277 32219788 40274735 57164140 62880554 80549470 88604417 125761108 157201385 161098940 177208834 314402770 354417668 443022085 628805540 886044170 974648587 1772088340 1949297174 3898594348 4873242935 9746485870 19492971740
• Sum of all divisors σ(n): 46446562176
• Sum of proper divisors (its aliquot sum) s(n): 26953590436
• 19492971740 is an abundant number, because the sum of its proper divisors (26953590436) is greater than itself. Its abundance is 7460618696

Bases of 19492971740

• Binary: 10010001001110111110010010011011100₂
• Hexadecimal: 0x489DF24DC
• Base-36: 8YDM198

Squares and roots of 19492971740

• 19492971740 squared (19492971740²) is 379975947256438627600
• 19492971740 cubed (19492971740³) is 7406860401749488700851184024000
• The square root of 19492971740 is 139617.2329621237
• The cube root of 19492971740 is 2691.2828943831

Scales and comparisons

• 19,492,971,740 seconds is equal to 619 years, 42 weeks, 3 days, 2 hours, 22 minutes, 20 seconds.
• To count from 1 to 19,492,971,740 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 19492971740 cubic inches would be around 224.3 feet tall.

Recreational maths with 19492971740

• 19492971740 backwards is 04717929491
• The number of decimal digits it has is: 11
• The sum of 19492971740's digits is 53
• More coming soon!