19991372 is an even 8-digits composite number following 19991371
and preceding 19991373 . In scientific notation, it is written as 1.9991372 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors.
There are 9995684 positive integers (up to 19991372) that are relatively prime to 19991372.
19991372 has 6 divisors, whose sum is 34984908
The reverse of 19991372 is 27319991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred ninety-one thousand three hundred seventy-two
Scientific notation
1.9991372 × 10^7
Engineering notation
1.9991372 × 10^6
Prime Factorization
2 × 2 × 4997843
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9995686
Product of the distinct prime numbers
The prime factorization of 19991372 is 2 × 2 × 4997843.
Since it has a total of 3 prime factors.
5 , 3 , 39 , 35 , 661 , 754 , 3975 , 4158 , 6158 , 13209 , 995113 , 263285 , 5290748 , 434237 , 92341378 , 55085924 , 444359998 , 344567408 , 3941210846 , 2850395250
n×2
39982744
n×3
59974116
n×4
79965488
n×5
99956860
n÷2
9995686
n÷3
6663790.6666667
n÷3
4997843
n÷5
3998274.4
n2
399654954442384
n3
7.9896508659008E+21
n4
1.5972408261034E+29
n5
3.1931035528221E+36
2 √n
4471.1712112152
3 √n
271.40272271983
4 √n
66.866816966379
5 √n
28.851508165483
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19991371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19991372 can be divided by 6 positive divisors.
The sum of these divisors (counting 19991372) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100010000101101001100
3
Ternary
1101121200000012
4
Quaternary
1030100231030
5
Quinary
20104210442
6
Senary
1552252352
8
Octal
114205514
10
Decimal
19991372
12
Duodecimal
68410b8
16
Hexadecimal
1310b4c
20
Vigesimal
64ii8c
36
Base36
bwhfw
md5
97137f999a5285a9d6c746ccb710adaa
sha1
439e8b42eb5e0ae0a0ed72732daa48c1aeedef4e
sha256
f028e0e9b10ecca966c043ebc970464efeb42fbb37b7783dc5785300bcae9e90
sha512
8551444ad5702a8347eea556533827b56c67e601b77a57316255a5185dbbb67339974524fc8382eac3c6a1232a9e1e749a825465843b3020c28c843e0978e59f
ripemd-160
1f992a16ab37344db9e371bbb3717028106027ed
Diameter
39982744
Circumference
125609494.82076
Area
1.255553068847E+15
Volume
3.3466971286748E+22
Surface area
5.0222122753878E+15
Circumference
125609494.82076
Perimeter
79965488
Area
399654954442384
Diagonal
28272069.412846
Surface area
2397929726654304
Volume
7.9896508659008E+21
Space diagonal
34626072.01701
Perimeter
59974116
Area
1.7305567164771E+14
Altitude
17313036.008505
Surface area
1.7305567164771E+14
Volume
9.415893844319E+20
Height
9424023.1376153