21494537 is an odd 8-digits composite number following 21494536
and preceding 21494538 . In scientific notation, it is written as 2.1494537 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20970240 positive integers (up to 21494537) that are relatively prime to 21494537.
21494537 has 4 divisors, whose sum is 22018836
The reverse of 21494537 is 73549412
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-four thousand five hundred thirty-seven
Scientific notation
2.1494537 × 10^7
Engineering notation
2.1494537 × 10^6
Prime Factorization
41 × 524257
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21494537
Product of the distinct prime numbers
The prime factorization of 21494537 is 41 × 524257.
Since it has a total of 2 prime factors.
9 , 10 , 40 , 41 , 658 , 978 , 2207 , 1446 , 85724 , 30794 , 148717 , 626056 , 6932209 , 4526491 , 85857046 , 76222931 , 201380602 , 646908525 , 8488729054 , 6138027025
n×2
42989074
n×3
64483611
n×4
85978148
n×5
107472685
n÷2
10747268.5
n÷3
7164845.6666667
n÷3
5373634.25
n÷5
4298907.4
n2
462015120844369
n3
9.9308011095488E+21
n4
2.1345797188884E+29
n5
4.5881802747096E+36
2 √n
4636.2201198821
3 √n
278.04133488165
4 √n
68.089794535467
5 √n
29.272891224213
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
-21494536
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 21494537 can be divided by 4 positive divisors.
The sum of these divisors (counting 21494537) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111101100001001
3
Ternary
1111110000221222
4
Quaternary
1101333230021
5
Quinary
21000311122
6
Senary
2044411425
8
Octal
121775411
10
Decimal
21494537
12
Duodecimal
7246b75
16
Hexadecimal
147fb09
20
Vigesimal
6e6g6h
36
Base36
cspah
md5
132b7687986a92c834e07ceb3f04ac70
sha1
ee3c3dc9cad638417447abe088b4502108bbe9fa
sha256
cce08871044f35de631ab57617984624aa629eb9bf62e43343df10c2cb8c150d
sha512
8d7d211da6d6dfc0b33d1c1e00d0979c9643803bdb6bdf5da8fc929cb605d5a1dafa7c271571ed39dee2cb7c6fac4ab2595951cb92abf5a4c385e6d830ac01d1
ripemd-160
ae7871bb6dfd7c9dc007c096ec6dabd7eb6976cd
Diameter
42989074
Circumference
135054159.06303
Area
1.4514633094921E+15
Volume
4.159804241336E+22
Surface area
5.8058532379683E+15
Circumference
135054159.06303
Perimeter
85978148
Area
462015120844369
Diagonal
30397865.74233
Surface area
2772090725066214
Volume
9.9308011095488E+21
Space diagonal
37229630.169169
Perimeter
64483611
Area
2.0005841579188E+14
Altitude
18614815.084585
Surface area
2.0005841579188E+14
Volume
1.1703561345295E+21
Height
10132621.91411