21307948 is an even 8-digits composite number following 21307947
and preceding 21307949 . In scientific notation, it is written as 2.1307948 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10614960 positive integers (up to 21307948) that are relatively prime to 21307948.
21307948 has 12 divisors, whose sum is 37425472
The reverse of 21307948 is 84970312
Previous prime number is 277
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million three hundred seven thousand nine hundred forty-eight
Scientific notation
2.1307948 × 10^7
Engineering notation
2.1307948 × 10^6
Prime Factorization
2 × 2 × 277 × 19231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10653974
Product of the distinct prime numbers
The prime factorization of 21307948 is 2 × 2 × 277 × 19231.
Since it has a total of 4 prime factors.
1 , 4 , 39 , 55 , 666 , 36 , 1255 , 1752 , 15745 , 49338 , 605768 , 277040 , 5485650 , 721296 , 75833920 , 88070561 , 40352280 , 775262440 , 8465573528 , 1707006190
n×2
42615896
n×3
63923844
n×4
85231792
n×5
106539740
n÷2
10653974
n÷3
7102649.3333333
n÷3
5326987
n÷5
4261589.6
n2
454028647970704
n3
9.6744188214701E+21
n4
2.0614201317811E+29
n5
4.3924632974144E+36
2 √n
4616.0532925866
3 √n
277.23445853317
4 √n
67.941543201392
5 √n
29.221891617957
1 , 2 , 4 , 277 , 554 , 1108 , 19231 , 38462 , 76924 , 5326987 , 10653974 , 21307948
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21307947
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21307948 can be divided by 12 positive divisors.
The sum of these divisors (counting 21307948) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001010010001000101100
3
Ternary
1111002120000021
4
Quaternary
1101102020230
5
Quinary
20423323243
6
Senary
2040411524
8
Octal
121221054
10
Decimal
21307948
12
Duodecimal
7176ba4
16
Hexadecimal
145222c
20
Vigesimal
6d39h8
36
Base36
copbg
md5
e684fdff27d582e3ebe523ebc6e973c6
sha1
85d73ebb0438b56ce0db55e29fb78d1c9a3306fb
sha256
f2d39d53a789b83704b3c6443b43e33090101600887809cfd95b724a89b73c2d
sha512
c6d8ca03b6f33ef88e99663162263f88605a7aa28c65d2b78e537079ad856943a299433afc3e897eed71dbb8b6406355ed65b37e30cefb4d8e8f4255c66fbea4
ripemd-160
54d1d331fa4bc04a71bc0d2ca375f333b80d6cee
Diameter
42615896
Circumference
133881785.79975
Area
1.4263730649841E+15
Volume
4.0524110796375E+22
Surface area
5.7054922599363E+15
Circumference
133881785.79975
Perimeter
85231792
Area
454028647970704
Diagonal
30133989.047941
Surface area
2724171887824224
Volume
9.6744188214701E+21
Space diagonal
36906448.541036
Perimeter
63923844
Area
1.9660017159427E+14
Altitude
18453224.270518
Surface area
1.9660017159427E+14
Volume
1.1401411921167E+21
Height
10044663.01598