21497629 is an odd 8-digits composite number following 21497628
and preceding 21497630 . In scientific notation, it is written as 2.1497629 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 20759040 positive integers (up to 21497629) that are relatively prime to 21497629.
21497629 has 8 divisors, whose sum is 22245048
The reverse of 21497629 is 92679412
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-seven thousand six hundred twenty-nine
Scientific notation
2.1497629 × 10^7
Engineering notation
2.1497629 × 10^6
Prime Factorization
37 × 137 × 4241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21497629
Product of the distinct prime numbers
The prime factorization of 21497629 is 37 × 137 × 4241.
Since it has a total of 3 prime factors.
7 , 8 , 36 , 16 , 348 , 112 , 1657 , 8930 , 67070 , 69784 , 406152 , 629374 , 8985179 , 6676334 , 97134418 , 78560535 , 774207202 , 804721566 , 3226425905 , 1548885429
n×2
42995258
n×3
64492887
n×4
85990516
n×5
107488145
n÷2
10748814.5
n÷3
7165876.3333333
n÷3
5374407.25
n÷5
4299525.8
n2
462148052621641
n3
9.9350873783325E+21
n4
2.1358082254198E+29
n5
4.5914812845222E+36
2 √n
4636.5535691934
3 √n
278.05466637122
4 √n
68.092243091217
5 √n
29.273733359794
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
-21497628
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 21497629 can be divided by 8 positive divisors.
The sum of these divisors (counting 21497629) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000000011100011101
3
Ternary
1111110012012111
4
Quaternary
1102000130131
5
Quinary
21000411004
6
Senary
2044434021
8
Octal
122003435
10
Decimal
21497629
12
Duodecimal
7248911
16
Hexadecimal
148071d
20
Vigesimal
6e7419
36
Base36
csrod
md5
9c3dea2f523dadcb18b48452bfd3a23c
sha1
5c0ed4fa9d44dccabe68e2dea20147e6a2a40023
sha256
1fbb86beeb99bfd434ce58326fc6bcd499e19799fd6e6c1e24ee70cf25b02283
sha512
73496847821a92d90a6ee97a011f2044f964ca7a376287c23d7805352dc8e952d6d06995bce7b8f500ab2783f8f81eedefa23a5ce0885eb4cddf1fdcbaefaea9
ripemd-160
76d8f6a096e751dd58aefba9e82c80315067ed6e
Diameter
42995258
Circumference
135073586.672
Area
1.451880926987E+15
Volume
4.1615996694056E+22
Surface area
5.8075237079479E+15
Circumference
135073586.672
Perimeter
85990516
Area
462148052621641
Diagonal
30402238.490665
Surface area
2772888315729846
Volume
9.9350873783325E+21
Space diagonal
37234985.670266
Perimeter
64492887
Area
2.0011597693992E+14
Altitude
18617492.835133
Surface area
2.0011597693992E+14
Volume
1.17086127615E+21
Height
10134079.496888