21172012 is an even 8-digits composite number following 21172011
and preceding 21172013 . In scientific notation, it is written as 2.1172012 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 12 positive divisors.
There are 10515600 positive integers (up to 21172012) that are relatively prime to 21172012.
21172012 has 12 divisors, whose sum is 37297456
The reverse of 21172012 is 21027112
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million one hundred seventy-two thousand twelve
Scientific notation
2.1172012 × 10^7
Engineering notation
2.1172012 × 10^6
Prime Factorization
2 × 2 × 151 × 35053
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10586006
Product of the distinct prime numbers
The prime factorization of 21172012 is 2 × 2 × 151 × 35053.
Since it has a total of 4 prime factors.
2 , 5 , 42 , 12 , 489 , 480 , 1592 , 8945 , 75605 , 45069 , 752313 , 818661 , 5778885 , 9648312 , 40276570 , 60057413 , 4944963 , 271078454 , 8699265593 , 6123091330
n×2
42344024
n×3
63516036
n×4
84688048
n×5
105860060
n÷2
10586006
n÷3
7057337.3333333
n÷3
5293003
n÷5
4234402.4
n2
448254092128144
n3
9.4904410175862E+21
n4
2.0093173110963E+29
n5
4.2541290222338E+36
2 √n
4601.30546693
3 √n
276.64365286547
4 √n
67.832923178424
5 √n
29.184511362364
1 , 2 , 4 , 151 , 302 , 604 , 35053 , 70106 , 140212 , 5293003 , 10586006 , 21172012
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21172011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21172012 can be divided by 12 positive divisors.
The sum of these divisors (counting 21172012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000110000111100101100
3
Ternary
1110211122112121
4
Quaternary
1100300330230
5
Quinary
20410001022
6
Senary
2033442324
8
Octal
120607454
10
Decimal
21172012
12
Duodecimal
71103a4
16
Hexadecimal
1430f2c
20
Vigesimal
6c6a0c
36
Base36
clsfg
md5
0b6c4adba1d1b8640ef60d5297efd657
sha1
f2cbdf9d6146ddbbea5741f297ec1de7fb5e665e
sha256
1002545bff8d724250f516cbd18b6f5d6f0ba9882e920516c6b27d368dcfb028
sha512
471fefe495d5aa6685583a533b3b03ff73879a46ae32a5dc6dd147c334d5a41545330029820f4688837b3c626c087544e88591cbeaf68a1d1b3d85a0ba8853b6
ripemd-160
c467b3644e7cc1ac64c032782e9574376541921d
Diameter
42344024
Circumference
133027674.72183
Area
1.4082317627713E+15
Volume
3.9753466373568E+22
Surface area
5.6329270510854E+15
Circumference
133027674.72183
Perimeter
84688048
Area
448254092128144
Diagonal
29941746.513126
Surface area
2689524552768864
Volume
9.4904410175862E+21
Space diagonal
36671000.482458
Perimeter
63516036
Area
1.9409971556665E+14
Altitude
18335500.241229
Surface area
1.9409971556665E+14
Volume
1.1184591999977E+21
Height
9980582.171042