19903897 is an odd 8-digits composite number following 19903896
and preceding 19903898 . In scientific notation, it is written as 1.9903897 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 18275328 positive integers (up to 19903897) that are relatively prime to 19903897.
19903897 has 8 divisors, whose sum is 21548744
The reverse of 19903897 is 79830991
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred three thousand eight hundred ninety-seven
Scientific notation
1.9903897 × 10^7
Engineering notation
1.9903897 × 10^6
Prime Factorization
13 × 193 × 7933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19903897
Product of the distinct prime numbers
The prime factorization of 19903897 is 13 × 193 × 7933.
Since it has a total of 3 prime factors.
2 , 5 , 77 , 82 , 600 , 98 , 3199 , 9081 , 82891 , 41593 , 213582 , 253637 , 7770335 , 706152 , 97315644 , 6220164 , 147476376 , 254605334 , 2117895528 , 6310515508
n×2
39807794
n×3
59711691
n×4
79615588
n×5
99519485
n÷2
9951948.5
n÷3
6634632.3333333
n÷3
4975974.25
n÷5
3980779.4
n2
396165115786609
n3
7.8852296596097E+21
n4
1.5694679896622E+29
n5
3.1238529211033E+36
2 √n
4461.3783744489
3 √n
271.00629061799
4 √n
66.793550395595
5 √n
28.826215108278
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19903896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19903897 can be divided by 8 positive divisors.
The sum of these divisors (counting 19903897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011111011010110011001
3
Ternary
1101110020000101
4
Quaternary
1023323112121
5
Quinary
20043411042
6
Senary
1550335401
8
Octal
113732631
10
Decimal
19903897
12
Duodecimal
67ba561
16
Hexadecimal
12fb599
20
Vigesimal
647jeh
36
Base36
buly1
md5
96389de0e7b935ad3789a3586e83e42d
sha1
8020ecaab5b2f92afd14411a9f7eafde2f0c4d15
sha256
14881437110e8234a8c1263c9d91762902bcad69fe22bcfc6ac7268040792b69
sha512
4f05073838df92f57e75d21decdfccc14e88f21ef68ea6284c38bdaf41470245b962f009a5b0cd85e11ff9f33502540b2600995192d2420b556861f56f0d07dc
ripemd-160
6ec2608a3e7870d64fb89b7306a55f3010383612
Diameter
39807794
Circumference
125059873.18602
Area
1.2445894173638E+15
Volume
3.3029572760664E+22
Surface area
4.978357669455E+15
Circumference
125059873.18602
Perimeter
79615588
Area
396165115786609
Diagonal
28148361.081477
Surface area
2376990694719654
Volume
7.8852296596097E+21
Space diagonal
34474560.872618
Perimeter
59711691
Area
1.715445271822E+14
Altitude
17237280.436309
Surface area
1.715445271822E+14
Volume
9.2928322725389E+20
Height
9382787.0271591