19902271 is an odd 8-digits composite number following 19902270
and preceding 19902272 . In scientific notation, it is written as 1.9902271 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 19869192 positive integers (up to 19902271) that are relatively prime to 19902271.
19902271 has 4 divisors, whose sum is 19935352
The reverse of 19902271 is 17220991
Previous prime number is 613
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
nineteen million nine hundred two thousand two hundred seventy-one
Scientific notation
1.9902271 × 10^7
Engineering notation
1.9902271 × 10^6
Prime Factorization
613 × 32467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19902271
Product of the distinct prime numbers
The prime factorization of 19902271 is 613 × 32467.
Since it has a total of 2 prime factors.
4 , 3 , 18 , 86 , 332 , 350 , 3409 , 647 , 86639 , 59936 , 185697 , 57615 , 4314230 , 820947 , 60911835 , 52909054 , 142377721 , 472963002 , 3365472684 , 7026128010
n×2
39804542
n×3
59706813
n×4
79609084
n×5
99511355
n÷2
9951135.5
n÷3
6634090.3333333
n÷3
4975567.75
n÷5
3980454.2
n2
396100390957441
n3
7.8832973240409E+21
n4
1.5689551971664E+29
n5
3.1225771520864E+36
2 √n
4461.1961400503
3 √n
270.99891068584
4 √n
66.792186220024
5 √n
28.825744115512
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902270
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902271 can be divided by 4 positive divisors.
The sum of these divisors (counting 19902271) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011111010111100111111
3
Ternary
1101110010210011
4
Quaternary
1023322330333
5
Quinary
20043333041
6
Senary
1550324051
8
Octal
113727477
10
Decimal
19902271
12
Duodecimal
67b9627
16
Hexadecimal
12faf3f
20
Vigesimal
647fdb
36
Base36
bukov
md5
fbe2c63946faaa6dedd73679b9176d88
sha1
0db1933c7d642436a8a7e43a191c35b296694454
sha256
3c7b6bdd4b38560ae23d8d0175edeaa7cb6996c48c41ebf49eaa23baf27bde09
sha512
6265d03b71b2730a81c3bc6a75a8f67dd940bbfbd022749f45dd370e30e1a5849207e4e7af493004eff33040ea308169746fc23639d962d0ac8f12006fd3fd33
ripemd-160
b6596941d6d288c76c2da1fd5f70ab1d174d777f
Diameter
39804542
Circumference
125049656.72671
Area
1.2443860783159E+15
Volume
3.3021478612361E+22
Surface area
4.9775443132638E+15
Circumference
125049656.72671
Perimeter
79609084
Area
396100390957441
Diagonal
28146061.570225
Surface area
2376602345744646
Volume
7.8832973240409E+21
Space diagonal
34471744.558005
Perimeter
59706813
Area
1.7151650050905E+14
Altitude
17235872.279002
Surface area
1.7151650050905E+14
Volume
9.2905549932319E+20
Height
9382020.5234082