20130917 is an odd 8-digits composite number following 20130916
and preceding 20130918 . In scientific notation, it is written as 2.0130917 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 19983840 positive integers (up to 20130917) that are relatively prime to 20130917.
20130917 has 4 divisors, whose sum is 20277996
The reverse of 20130917 is 71903102
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred thirty thousand nine hundred seventeen
Scientific notation
2.0130917 × 10^7
Engineering notation
2.0130917 × 10^6
Prime Factorization
137 × 146941
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20130917
Product of the distinct prime numbers
The prime factorization of 20130917 is 137 × 146941.
Since it has a total of 2 prime factors.
8 , 1 , 91 , 9 , 64 , 363 , 3588 , 9259 , 62907 , 1876 , 345810 , 149332 , 7497420 , 4980048 , 65046437 , 96354535 , 474533831 , 285821970 , 6001736899 , 7578296237
n×2
40261834
n×3
60392751
n×4
80523668
n×5
100654585
n÷2
10065458.5
n÷3
6710305.6666667
n÷3
5032729.25
n÷5
4026183.4
n2
405253819260889
n3
8.158130999474E+21
n4
1.6423065802554E+29
n5
3.3061137455675E+36
2 √n
4486.7490458014
3 √n
272.03274638186
4 √n
66.983199728002
5 √n
28.891674386308
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
-20130916
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 20130917 can be divided by 4 positive divisors.
The sum of these divisors (counting 20130917) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010110001100101
3
Ternary
1101212202102112
4
Quaternary
1030302301211
5
Quinary
20123142132
6
Senary
1555250405
8
Octal
114626145
10
Decimal
20130917
12
Duodecimal
68a9a05
16
Hexadecimal
1332c65
20
Vigesimal
65g75h
36
Base36
bzh45
md5
d3157d8991d570dcaef5531fea409697
sha1
8e0427927699bca32c6c3ebb510d00031463f91a
sha256
b5cdc57b5c89b5061b480f29ddb22e202da4f5a323f8174768f031ce69de3fc4
sha512
a45e5449d8a445df54d9966e4b3dd38e949039e397c4cb67c456707776f36e030d724e9c91d682198a2423a99adc79e2c460fcb8da25392f21697fbc0d464b4c
ripemd-160
75ab146d2b24c79dce79a912df713d24d3fa0550
Diameter
40261834
Circumference
126486281.91445
Area
1.2731424214292E+15
Volume
3.4172699219961E+22
Surface area
5.0925696857169E+15
Circumference
126486281.91445
Perimeter
80523668
Area
405253819260889
Diagonal
28469415.844407
Surface area
2431522915565334
Volume
8.158130999474E+21
Space diagonal
34867771.046952
Perimeter
60392751
Area
1.754800512303E+14
Altitude
17433885.523476
Surface area
1.754800512303E+14
Volume
9.6144495858937E+20
Height
9489805.281469