21172810 is an even 8-digits composite number following 21172809
and preceding 21172811 . In scientific notation, it is written as 2.1172810 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 32 positive divisors.
There are 8171520 positive integers (up to 21172810) that are relatively prime to 21172810.
21172810 has 32 divisors, whose sum is 39472272
The reverse of 21172810 is 01827112
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million one hundred seventy-two thousand eight hundred ten
Scientific notation
2.1172810 × 10^7
Engineering notation
2.1172810 × 10^6
Prime Factorization
2 × 5 × 41 × 113 × 457
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21172810
Product of the distinct prime numbers
The prime factorization of 21172810 is 2 × 5 × 41 × 113 × 457.
Since it has a total of 5 prime factors.
6 , 3 , 58 , 80 , 183 , 103 , 8266 , 4618 , 59372 , 7816 , 420838 , 962222 , 2902526 , 8332791 , 74891926 , 11824761 , 684636617 , 813005553 , 6804974148 , 5876671489
n×2
42345620
n×3
63518430
n×4
84691240
n×5
105864050
n÷2
10586405
n÷3
7057603.3333333
n÷3
5293202.5
n÷5
4234562
n2
448287883296100
n3
9.4915141783305E+21
n4
2.009620263101E+29
n5
4.2549308002787E+36
2 √n
4601.392180634
3 √n
276.64712850525
4 √n
67.833562346629
5 √n
29.184731359301
1 , 2 , 5 , 10 , 41 , 82 , 113 , 205 , 226 , 410 , 457 , 565 , 914 , 1130 , 2285 , 4570 , 4633 , 9266 , 18737 , 23165 , 37474 , 46330 , 51641 , 93685 , 103282 , 187370 , 258205 , 516410 , 2117281 , 4234562 , 10586405 , 21172810
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21172809
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21172810 can be divided by 32 positive divisors.
The sum of these divisors (counting 21172810) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000110001001001001010
3
Ternary
1110211200122011
4
Quaternary
1100301021022
5
Quinary
20410012220
6
Senary
2033450134
8
Octal
120611112
10
Decimal
21172810
12
Duodecimal
711094a
16
Hexadecimal
143124a
20
Vigesimal
6c6c0a
36
Base36
clt1m
md5
d7b22d4edc80124242bdbed37d4fe12d
sha1
92aa0f385af4d8e7b46fd0a6667d8a66e3ac0730
sha256
1411eeaca36126e22017a18aa97b25238e86f9b8ed3df86c3b04cfe33d8646c4
sha512
d6c916aa6d480d6d2c320c4ce1c5845a4f2e40366f110112fac0a95991ab6bfb147703d4b590cafc11c776cf8cee16f3afa773b2471890b253b8920d652eb1ed
ripemd-160
9dc77514f2b52cd1fa591ccb9e1ecbce32c04946
Diameter
42345620
Circumference
133032688.70371
Area
1.4083379208563E+15
Volume
3.9757961618782E+22
Surface area
5.6333516834254E+15
Circumference
133032688.70371
Perimeter
84691240
Area
448287883296100
Diagonal
29942875.055549
Surface area
2689727299776600
Volume
9.4915141783305E+21
Space diagonal
36672382.659002
Perimeter
63518430
Area
1.9411434757159E+14
Altitude
18336191.329501
Surface area
1.9411434757159E+14
Volume
1.1185856732043E+21
Height
9980958.3518496