19979681792

Names of 19979681792

• Cardinal: 19979681792 can be written as Nineteen billion, nine hundred seventy-nine million, six hundred eighty-one thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.9979681792 × 10¹⁰

Factors of 19979681792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 657

Divisors of 19979681792

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 41 49 56 64 82 98 112 128 164 196 224 256 287 328 392 448 512 574 607 656 784 896 1024 1148 1214 1312 1568 1792 2009 2048 2296 2428 2624 3136 3584 4018 4096 4249 4592 4856 5248 6272 7168 8036 8192 8498 9184 9712 10496 12544 14336 16072 16384 16996 18368 19424 20992 24887 25088 28672 29743 32144 33992 36736 38848 41984 49774 50176 57344 59486 64288 67984 73472 77696 83968 99548 100352 114688 118972 128576 135968 146944 155392 167936 174209 199096 200704 237944 257152 271936 293888 310784 335872 348418 398192 401408 475888 514304 543872 587776 621568 671744 696836 796384 802816 951776 1028608 1087744 1175552 1219463 1243136 1393672 1592768 1903552 2057216 2175488 2351104 2438926 2486272 2787344 3185536 3807104 4114432 4350976 4702208 4877852 4972544 5574688 6371072 7614208 8228864 8701952 9755704 9945088 11149376 12742144 15228416 16457728 17403904 19511408 22298752 25484288 30456832 32915456 34807808 39022816 44597504 50968576 60913664 69615616 78045632 89195008 101937152 121827328 156091264 178390016 203874304 243654656 312182528 356780032 407748608 487309312 624365056 713560064 1248730112 1427120128 2497460224 2854240256 4994920448 9989840896 19979681792
• Sum of all divisors σ(n): 47694072384
• Sum of proper divisors (its aliquot sum) s(n): 27714390592
• 19979681792 is an abundant number, because the sum of its proper divisors (27714390592) is greater than itself. Its abundance is 7734708800

Bases of 19979681792

• Binary: 10010100110111000011100000000000000₂
• Hexadecimal: 0x4A6E1C000
• Base-36: 96FDX4W

Squares and roots of 19979681792

• 19979681792 squared (19979681792²) is 399187684509576331264
• 19979681792 cubed (19979681792³) is 7975642911786622675389501145088
• The square root of 19979681792 is 141349.5022700821
• The cube root of 19979681792 is 2713.4981034481

Scales and comparisons

• 19,979,681,792 seconds is equal to 635 years, 15 weeks, 1 day, 7 hours, 36 minutes, 32 seconds.
• To count from 1 to 19,979,681,792 would take you about one thousand, two hundred seventy 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 19979681792 cubic inches would be around 226.1 feet tall.

Recreational maths with 19979681792

• 19979681792 backwards is 29718697991
• The number of decimal digits it has is: 11
• The sum of 19979681792's digits is 68
• More coming soon!