21128567 is an odd 8-digits prime number following 21128566
and preceding 21128568 . In scientific notation, it is written as 2.1128567 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 21128566 positive integers (up to 21128567) that are relatively prime to 21128567.
21128567 has 2 divisors, whose sum is 21128568
The reverse of 21128567 is 76582112
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 twenty-eight thousand five hundred sixty-seven
Scientific notation
2.1128567 × 10^7
Engineering notation
2.1128567 × 10^6
Prime Factorization
21128567
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21128567 Product of the distinct prime numbers
The prime factorization of 21128567 is 21128567.
Since it has a total of 1 prime factors.
8 , 10 , 62 , 54 , 636 , 755 , 4880 , 5109 , 65183 , 76226 , 528553 , 404092 , 6279464 , 2566506 , 87879853 , 28495180 , 365182461 , 92467870 , 21326746 , 6673914085
n×2
42257134
n×3
63385701
n×4
84514268
n×5
105642835
n÷2
10564283.5
n÷3
7042855.6666667
n÷3
5282141.75
n÷5
4225713.4
n2
446416343473489
n3
9.4321376229746E+21
n4
1.9928755172024E+29
n5
4.2106603887871E+36
2 √n4596.5820997781
3 √n276.45429889292
4 √n67.798098054282
5 √n29.172524187128
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21128568 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10564284 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4596.5822085545 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999053414 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21128567 can be divided by 2 positive divisors.
The sum of these divisors (counting 21128567) is 21128568, the average is 10564284.
Base
System
Value
2
Binary
1010000100110010101110111
3
Ternary
1110202102221112
4
Quaternary
1100212111313
5
Quinary
20402103232
6
Senary
2032505235
8
Octal
120462567
10
Decimal
21128567
12
Duodecimal
70ab21b
16
Hexadecimal
1426577
20
Vigesimal
6c1187
36
Base36
ckuwn
md5
260dd65a9acad0d283baa2f350e6e0db
sha1
77dbc100cd67a9a01d6cf6297e8dd9aa760fb518
sha256
bf85edc2ae0957266bc2e854fb5c262b06905f68cd53c94884460f602b30e153
sha512
7445d403beee72d3b5439bf78941e4f4ec3ffd3fd22ed9a6dc58c42c737a5de69b8e9994c7ed454f18fca809c4e9c4469cec2eb82487e2f0bd0695d310f9b4cc
ripemd-160
1acfd3de53264cae1d27e3c02261d06dc6488a49
Diameter
42257134
Circumference
132754701.73616
Area
1.4024583050987E+15
Volume
3.9509245685313E+22
Surface area
5.6098332203949E+15
Circumference
132754701.73616
Perimeter
84514268
Area
446416343473489
Diagonal
29880306.004909
Surface area
2678498060840934
Volume
9.4321376229746E+21
Space diagonal
36595751.535123
Perimeter
63385701
Area
1.933039470563E+14
Altitude
18297875.767562
Surface area
1.933039470563E+14
Volume
1.1115880790484E+21
Height
9960102.0016362