21585401 is an odd 8-digits composite number following 21585400
and preceding 21585402 . In scientific notation, it is written as 2.1585401 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 21375732 positive integers (up to 21585401) that are relatively prime to 21585401.
21585401 has 4 divisors, whose sum is 21795072
The reverse of 21585401 is 10458512
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million five hundred eighty-five thousand four hundred one
Scientific notation
2.1585401 × 10^7
Engineering notation
2.1585401 × 10^6
Prime Factorization
103 × 209567
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21585401
Product of the distinct prime numbers
The prime factorization of 21585401 is 103 × 209567.
Since it has a total of 2 prime factors.
10 , 8 , 93 , 97 , 952 , 692 , 2612 , 3372 , 91594 , 37256 , 857457 , 31446 , 5754705 , 8936846 , 66542047 , 37369706 , 272540981 , 717866900 , 8081130511 , 2617215080
n×2
43170802
n×3
64756203
n×4
86341604
n×5
107927005
n÷2
10792700.5
n÷3
7195133.6666667
n÷3
5396350.25
n÷5
4317080.2
n2
465929536330801
n3
1.0057275879444E+22
n4
2.1709033282544E+29
n5
4.6859818872605E+36
2 √n
4646.0091476449
3 √n
278.43257276903
4 √n
68.161639854429
5 √n
29.297598579
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21585400
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21585401 can be divided by 4 positive divisors.
The sum of these divisors (counting 21585401) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010010101110111111001
3
Ternary
1111121122121022
4
Quaternary
1102111313321
5
Quinary
21011213101
6
Senary
2050352225
8
Octal
122256771
10
Decimal
21585401
12
Duodecimal
728b675
16
Hexadecimal
1495df9
20
Vigesimal
6ei3a1
36
Base36
cuneh
md5
813ed57961682d0c2038ba3f13a56175
sha1
ed386bb80aa59c1cb4d89541b4f120470801802f
sha256
f785d0013790d1ad7677f871617c8ee7fce8729846aaa6d00f0dccc06fd1a087
sha512
462ad85dcdb33130e044865ea8800a345f120cce83f1c0ef5ec1800e4e1aa407eb852d3e59b07db0bc276fa69ad62a346e869b25584756e79b85286c5259208a
ripemd-160
9c9d8d1a6374a63e0adbd9267ed10e4db6139935
Diameter
43170802
Circumference
135625074.41278
Area
1.4637608084273E+15
Volume
4.2127818690651E+22
Surface area
5.8550432337094E+15
Circumference
135625074.41278
Perimeter
86341604
Area
465929536330801
Diagonal
30526366.843462
Surface area
2795577217984806
Volume
1.0057275879444E+22
Space diagonal
37387011.233748
Perimeter
64756203
Area
2.0175340741799E+14
Altitude
18693505.616874
Surface area
2.0175340741799E+14
Volume
1.1852613291032E+21
Height
10175455.614487