21557572 is an even 8-digits composite number following 21557571
and preceding 21557573 . In scientific notation, it is written as 2.1557572 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10751616 positive integers (up to 21557572) that are relatively prime to 21557572.
21557572 has 12 divisors, whose sum is 37820860
The reverse of 21557572 is 27575512
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million five hundred fifty-seven thousand five hundred seventy-two
Scientific notation
2.1557572 × 10^7
Engineering notation
2.1557572 × 10^6
Prime Factorization
2 × 2 × 409 × 13177
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10778786
Product of the distinct prime numbers
The prime factorization of 21557572 is 2 × 2 × 409 × 13177.
Since it has a total of 4 prime factors.
4 , 10 , 76 , 31 , 452 , 834 , 1162 , 4190 , 8675 , 27692 , 214838 , 461344 , 1629245 , 2331203 , 34204403 , 61832509 , 645416762 , 714687627 , 2885207277 , 5622179188
n×2
43115144
n×3
64672716
n×4
86230288
n×5
107787860
n÷2
10778786
n÷3
7185857.3333333
n÷3
5389393
n÷5
4311514.4
n2
464728910535184
n3
1.0018426949344E+22
n4
2.1597296028722E+29
n5
4.6558526414449E+36
2 √n
4643.0132457274
3 √n
278.31286481803
4 √n
68.139659859199
5 √n
29.29004028848
1 , 2 , 4 , 409 , 818 , 1636 , 13177 , 26354 , 52708 , 5389393 , 10778786 , 21557572
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
-21557571
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 21557572 can be divided by 12 positive divisors.
The sum of these divisors (counting 21557572) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001111000101000100
3
Ternary
1111120020102121
4
Quaternary
1102033011010
5
Quinary
21004320242
6
Senary
2050015324
8
Octal
122170504
10
Decimal
21557572
12
Duodecimal
7277544
16
Hexadecimal
148f144
20
Vigesimal
6eedic
36
Base36
cu1xg
md5
6913bba72336ce5f7cd99565c42bbf1a
sha1
d35013e86345d37f5ec67c642e57c7c33027fec3
sha256
3c0b7571f0e7029ef0331cfd6a99091e59c0e1f436bd5a3e435da573a738457b
sha512
4e2142ec11de08a330fef3ed330be3bc242e7cf0580fa9455b432ba281196f23442e16f3b891c232483c576cf9a25924711028e96eb45801d8fc535fa3a5e064
ripemd-160
62dbb0efbead227b427f74e756556b48eab90402
Diameter
43115144
Circumference
135450219.64887
Area
1.4599889312481E+15
Volume
4.1965088672779E+22
Surface area
5.8399557249925E+15
Circumference
135450219.64887
Perimeter
86230288
Area
464728910535184
Diagonal
30487010.694234
Surface area
2788373463211104
Volume
1.0018426949344E+22
Space diagonal
37338809.991824
Perimeter
64672716
Area
2.0123352119827E+14
Altitude
18669404.995912
Surface area
2.0123352119827E+14
Volume
1.1806829387838E+21
Height
10162336.898078