21772521 is an odd 8-digits composite number following 21772520
and preceding 21772522 . In scientific notation, it is written as 2.1772521 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 14297976 positive integers (up to 21772521) that are relatively prime to 21772521.
21772521 has 8 divisors, whose sum is 24553440
The reverse of 21772521 is 12527712
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million seven hundred seventy-two thousand five hundred twenty-one
Scientific notation
2.1772521 × 10^7
Engineering notation
2.1772521 × 10^6
Prime Factorization
9 × 67 × 36107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21772521
Product of the distinct prime numbers
The prime factorization of 21772521 is 9 × 67 × 36107.
Since it has a total of 3 prime factors.
9 , 8 , 78 , 18 , 942 , 839 , 7033 , 2214 , 54578 , 69222 , 278615 , 833229 , 1366913 , 5084394 , 28271051 , 13103018 , 284420266 , 62287025 , 1198160217 , 6399537597
n×2
43545042
n×3
65317563
n×4
87090084
n×5
108862605
n÷2
10886260.5
n÷3
7257507
n÷3
5443130.25
n÷5
4354504.2
n2
474042670695441
n3
1.0321104002613E+22
n4
2.2471645364007E+29
n5
4.8926437059239E+36
2 √n
4666.1034064838
3 √n
279.2348198446
4 √n
68.308882339589
5 √n
29.348218489684
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
-21772520
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 21772521 can be divided by 8 positive divisors.
The sum of these divisors (counting 21772521) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011000011100011101001
3
Ternary
1111222011021200
4
Quaternary
1103003203221
5
Quinary
21033210041
6
Senary
2054354413
8
Octal
123034351
10
Decimal
21772521
12
Duodecimal
735ba09
16
Hexadecimal
14c38e9
20
Vigesimal
6g1b61
36
Base36
cyns9
md5
8669af96bd26a5211a899ad965e5555b
sha1
5a75a64b83729fa5bb0cbc9dfa53afd5d80bd2a6
sha256
c478f2c429029179f798ee0109d088312a1d16bfc765721fa6f6f1e845f94992
sha512
f81e57df4bba1892dca7794d0b95c79c58b0d6a74eed9b56ef3cfda3cf3fb9bcd9c794661afdb4bd01d61f94feb1455cc4e52f3394e8f6aefbce260cec83cf43
ripemd-160
efd164af1bb5d64ba4602f28b730f735492b2bc7
Diameter
43545042
Circumference
136800784.04746
Area
1.4892489717449E+15
Volume
4.3232939348725E+22
Surface area
5.9569958869795E+15
Circumference
136800784.04746
Perimeter
87090084
Area
474042670695441
Diagonal
30790994.485253
Surface area
2844256024172646
Volume
1.0321104002613E+22
Space diagonal
37711112.58086
Perimeter
65317563
Area
2.0526649765004E+14
Altitude
18855556.29043
Surface area
2.0526649765004E+14
Volume
1.2163537715965E+21
Height
10263664.828418