21497766 is an even 8-digits composite number following 21497765
and preceding 21497767 . In scientific notation, it is written as 2.1497766 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 7113344 positive integers (up to 21497766) that are relatively prime to 21497766.
21497766 has 16 divisors, whose sum is 43311024
The reverse of 21497766 is 66779412
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million four hundred ninety-seven thousand seven hundred sixty-six
Scientific notation
2.1497766 × 10^7
Engineering notation
2.1497766 × 10^6
Prime Factorization
2 × 3 × 137 × 26153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21497766
Product of the distinct prime numbers
The prime factorization of 21497766 is 2 × 3 × 137 × 26153.
Since it has a total of 4 prime factors.
8 , 4 , 50 , 19 , 244 , 137 , 9201 , 4383 , 16106 , 36687 , 622751 , 669174 , 2264515 , 2574067 , 77603753 , 45222277 , 924725632 , 928970865 , 8788673308 , 807148541
n×2
42995532
n×3
64493298
n×4
85991064
n×5
107488830
n÷2
10748883
n÷3
7165922
n÷3
5374441.5
n÷5
4299553.2
n2
462153942990756
n3
9.9352773223926E+21
n4
2.135862670219E+29
n5
4.5916275892504E+36
2 √n
4636.5683430744
3 √n
278.05525703184
4 √n
68.092351575448
5 √n
29.273770670804
1 , 2 , 3 , 6 , 137 , 274 , 411 , 822 , 26153 , 52306 , 78459 , 156918 , 3582961 , 7165922 , 10748883 , 21497766
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497765
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497766 can be divided by 16 positive divisors.
The sum of these divisors (counting 21497766) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000011110100110
3
Ternary
1111110012101120
4
Quaternary
1102000132212
5
Quinary
21000412031
6
Senary
2044434410
8
Octal
122003646
10
Decimal
21497766
12
Duodecimal
7248a06
16
Hexadecimal
14807a6
20
Vigesimal
6e7486
36
Base36
csrs6
md5
0b073b69390ec609b091ea0a353ce07a
sha1
607b27698b5cf3923823fd4936a760baddaf3257
sha256
94a305d0b9ec8a7b91343f669a1b227dad70860cc313c8b285edd12ff849219f
sha512
405d4a187cce71e011b69aff0ecb9a0c147b5b713a97576909ce012dceca7c476831ef5ad6cf1c8650b79cc0bb33180d32acd9ad783b51f4874d37e2b1551eba
ripemd-160
6c6ddebc5979249067f484b97a6b223db91f4ba9
Diameter
42995532
Circumference
135074447.46838
Area
1.4518994321273E+15
Volume
4.1616792329875E+22
Surface area
5.8075977285093E+15
Circumference
135074447.46838
Perimeter
85991064
Area
462153942990756
Diagonal
30402432.237923
Surface area
2772923657944536
Volume
9.9352773223926E+21
Space diagonal
37235222.961227
Perimeter
64493298
Area
2.0011852754457E+14
Altitude
18617611.480613
Surface area
2.0011852754457E+14
Volume
1.1708836612721E+21
Height
10134144.079308