21552215 is an odd 8-digits composite number following 21552214
and preceding 21552216 . In scientific notation, it is written as 2.1552215 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 16958880 positive integers (up to 21552215) that are relatively prime to 21552215.
21552215 has 8 divisors, whose sum is 26287008
The reverse of 21552215 is 51225512
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million five hundred fifty-two thousand two hundred fifteen
Scientific notation
2.1552215 × 10^7
Engineering notation
2.1552215 × 10^6
Prime Factorization
5 × 61 × 70663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21552215
Product of the distinct prime numbers
The prime factorization of 21552215 is 5 × 61 × 70663.
Since it has a total of 3 prime factors.
4 , 1 , 67 , 76 , 852 , 769 , 7967 , 2826 , 87553 , 60884 , 985042 , 794084 , 2962712 , 3590304 , 50129780 , 81064029 , 264441965 , 133275511 , 2685647480 , 5762518785
n×2
43104430
n×3
64656645
n×4
86208860
n×5
107761075
n÷2
10776107.5
n÷3
7184071.6666667
n÷3
5388053.75
n÷5
4310443
n2
464497971406225
n3
1.0010960146811E+22
n4
2.157583654405E+29
n5
4.6500706800222E+36
2 √n
4642.4363215881
3 √n
278.28980956966
4 √n
68.135426333062
5 √n
29.288584444153
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
-21552214
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 21552215 can be divided by 8 positive divisors.
The sum of these divisors (counting 21552215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001101110001010111
3
Ternary
1111112222002012
4
Quaternary
1102031301113
5
Quinary
21004132330
6
Senary
2045534435
8
Octal
122156127
10
Decimal
21552215
12
Duodecimal
727441b
16
Hexadecimal
148dc57
20
Vigesimal
6ee0af
36
Base36
ctxsn
md5
eac63234548cc9df88afd937a003957d
sha1
81a0fae6dc61c5c9087785eacb89a958cfa82191
sha256
ea0511feb74436a8ac926a4827ca07cf7df4cddd6067b9778ac94d11e42e8d36
sha512
7511378467b2779f66f5284c77989e40b3401583205dbd120289895a3b9ea35154ff538e31424698f6837215fb2d1f9d12f7af96435988149e61e1413d9ac618
ripemd-160
b820d4ae099cb3d6e9967921b026ec56da2b4879
Diameter
43104430
Circumference
135416560.62518
Area
1.4592634145772E+15
Volume
4.1933811803468E+22
Surface area
5.8370536583086E+15
Circumference
135416560.62518
Perimeter
86208860
Area
464497971406225
Diagonal
30479434.752181
Surface area
2786987828437350
Volume
1.0010960146811E+22
Space diagonal
37329531.395648
Perimeter
64656645
Area
2.0113352162206E+14
Altitude
18664765.697824
Surface area
2.0113352162206E+14
Volume
1.1798029676664E+21
Height
10159811.58406