21497770 is an even 8-digits composite number following 21497769
and preceding 21497771 . In scientific notation, it is written as 2.1497770 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 7257600 positive integers (up to 21497770) that are relatively prime to 21497770.
21497770 has 32 divisors, whose sum is 40093200
The reverse of 21497770 is 07779412
Previous prime number is 601
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-seven thousand seven hundred seventy
Scientific notation
2.1497770 × 10^7
Engineering notation
2.1497770 × 10^6
Prime Factorization
2 × 5 × 49 × 601 × 73
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21497770
Product of the distinct prime numbers
The prime factorization of 21497770 is 2 × 5 × 49 × 601 × 73.
Since it has a total of 5 prime factors.
2 , 4 , 41 , 8 , 766 , 47 , 2384 , 2541 , 92962 , 16345 , 19126 , 514020 , 1110500 , 9852847 , 81816922 , 39260605 , 950685702 , 216378272 , 5705597385 , 3223641503
n×2
42995540
n×3
64493310
n×4
85991080
n×5
107488850
n÷2
10748885
n÷3
7165923.3333333
n÷3
5374442.5
n÷5
4299554
n2
462154114972900
n3
9.935282868241E+21
n4
2.1358642598638E+29
n5
4.5916318609773E+36
2 √n
4636.5687744279
3 √n
278.05527427737
4 √n
68.092354742863
5 √n
29.273771760174
1 , 2 , 5 , 10 , 49 , 73 , 98 , 146 , 245 , 365 , 490 , 601 , 730 , 1202 , 3005 , 3577 , 6010 , 7154 , 17885 , 29449 , 35770 , 43873 , 58898 , 87746 , 147245 , 219365 , 294490 , 438730 , 2149777 , 4299554 , 10748885 , 21497770
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497769
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497770 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497770) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000011110101010
3
Ternary
1111110012101201
4
Quaternary
1102000132222
5
Quinary
21000412040
6
Senary
2044434414
8
Octal
122003652
10
Decimal
21497770
12
Duodecimal
7248a0a
16
Hexadecimal
14807aa
20
Vigesimal
6e748a
36
Base36
csrsa
md5
f831927060af2e222f0d3ed21764a7ba
sha1
4f0ba794bd138113af2e38ce27d0159c8af9ce44
sha256
92c98c8e08c9a52fe923f0e941864c2dba7b06eaa5aa0d976ec23b345e5d06ec
sha512
11bdf380f4e1ad15f24cc5d396ba9dfa18c978c6130cf224cd8e26fc464dfce658c28885f7849a05c9d9e6e4e1f3bc059b62c15da7f1ebe542adcc616225d164
ripemd-160
1ccc289a4722533a4ebdd77f5da6eed264bee892
Diameter
42995540
Circumference
135074472.60113
Area
1.4518999724252E+15
Volume
4.161681556027E+22
Surface area
5.8075998897006E+15
Circumference
135074472.60113
Perimeter
85991080
Area
462154114972900
Diagonal
30402437.894777
Surface area
2772924689837400
Volume
9.935282868241E+21
Space diagonal
37235229.88943
Perimeter
64493310
Area
2.0011860201502E+14
Altitude
18617614.944715
Surface area
2.0011860201502E+14
Volume
1.1708843148566E+21
Height
10134145.964926