21172829 is an odd 8-digits prime number following 21172828
and preceding 21172830 . In scientific notation, it is written as 2.1172829 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 21172828 positive integers (up to 21172829) that are relatively prime to 21172829.
21172829 has 2 divisors, whose sum is 21172830
The reverse of 21172829 is 92827112
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 32 Digital Root 5
Name
twenty-one million one hundred seventy-two thousand eight hundred twenty-nine
Scientific notation
2.1172829 × 10^7
Engineering notation
2.1172829 × 10^6
Prime Factorization
21172829
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21172829 Product of the distinct prime numbers
The prime factorization of 21172829 is 21172829.
Since it has a total of 1 prime factors.
10 , 5 , 62 , 46 , 869 , 901 , 5872 , 1941 , 26940 , 20821 , 143965 , 743859 , 7794354 , 9499752 , 7786759 , 38768624 , 619301890 , 241101258 , 2177713923 , 3065265874
n×2
42345658
n×3
63518487
n×4
84691316
n×5
105864145
n÷2
10586414.5
n÷3
7057609.6666667
n÷3
5293207.25
n÷5
4234565.8
n2
448288687863241
n3
9.4915397307628E+21
n4
2.0096274766615E+29
n5
4.2549498917055E+36
2 √n4601.3942452261
3 √n276.64721125752
4 √n67.8335775647
5 √n29.184736597242
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21172830 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10586415 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4601.3943538888 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999055393 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21172829 can be divided by 2 positive divisors.
The sum of these divisors (counting 21172829) is 21172830, the average is 10586415.
Base
System
Value
2
Binary
1010000110001001001011101
3
Ternary
1110211200122212
4
Quaternary
1100301021131
5
Quinary
20410012304
6
Senary
2033450205
8
Octal
120611135
10
Decimal
21172829
12
Duodecimal
7110965
16
Hexadecimal
143125d
20
Vigesimal
6c6c19
36
Base36
clt25
md5
d3ab96c50620a5341821199eabac951a
sha1
d63c20b66b690328487c60286a6d80ad7e8b9fc2
sha256
14b008ead332d1290c196ccfc2434e05b1c68022b91553ef3c6a72114ad1f374
sha512
ca6babead986f31201e6b99ff67e70bb47adee8cb46cda0ebceab0b1792725f73de4980742a0cbce1a0123571c6bd503223e393e4431d440b80e3dcd408d2f4e
ripemd-160
b84963d39e0119f7b5b46d321a3e6a40fc4b5916
Diameter
42345658
Circumference
133032808.08423
Area
1.4083404484786E+15
Volume
3.975806865256E+22
Surface area
5.6333617939143E+15
Circumference
133032808.08423
Perimeter
84691316
Area
448288687863241
Diagonal
29942901.925606
Surface area
2689732127179446
Volume
9.4915397307628E+21
Space diagonal
36672415.567968
Perimeter
63518487
Area
1.9411469595938E+14
Altitude
18336207.783984
Surface area
1.9411469595938E+14
Volume
1.1185886845873E+21
Height
9980967.3085355