21394512 is an even 8-digits composite number following 21394511
and preceding 21394513 . In scientific notation, it is written as 2.1394512 × 10^7.
The sum of its digits is 27. It has a total of 7 prime factors and 30 positive divisors.
There are 7131456 positive integers (up to 21394512) that are relatively prime to 21394512.
21394512 has 30 divisors, whose sum is 59875322
The reverse of 21394512 is 21549312
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred ninety-four thousand five hundred twelve
Scientific notation
2.1394512 × 10^7
Engineering notation
2.1394512 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 3 × 148573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
891438
Product of the distinct prime numbers
The prime factorization of 21394512 is 2 × 2 × 2 × 2 × 3 × 3 × 148573.
Since it has a total of 7 prime factors.
10 , 7 , 42 , 66 , 336 , 134 , 2647 , 9934 , 98125 , 72225 , 64686 , 673696 , 7574050 , 7722478 , 48307486 , 81560658 , 628509881 , 231466271 , 5204089826 , 2440595135
n×2
42789024
n×3
64183536
n×4
85578048
n×5
106972560
n÷2
10697256
n÷3
7131504
n÷3
5348628
n÷5
4278902.4
n2
457725143718144
n3
9.7928060799796E+21
n4
2.095123071918E+29
n5
4.4824135703626E+36
2 √n
4625.420197128
3 √n
277.60937495157
4 √n
68.010441824238
5 √n
29.245596042748
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 16 , 18 , 24 , 36 , 48 , 72 , 144 , 148573 , 297146 , 445719 , 594292 , 891438 , 1188584 , 1337157 , 1782876 , 2377168 , 2674314 , 3565752 , 5348628 , 7131504 , 10697256 , 21394512
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21394511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21394512 can be divided by 30 positive divisors.
The sum of these divisors (counting 21394512) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
1010001100111010001010000
3
Ternary
1111020221202100
4
Quaternary
1101213101100
5
Quinary
20434111022
6
Senary
2042320400
8
Octal
121472120
10
Decimal
21394512
12
Duodecimal
71b9100
16
Hexadecimal
1467450
20
Vigesimal
6de65c
36
Base36
cqk40
md5
4f74e212195565aa506362bf2f77015e
sha1
03910958c0ddea94d73cfb91bb4bac1eace691ab
sha256
cc0947365583b0dc1d14963f2b8d1d5d6247ad2d7ae87a17508b587fabf478f1
sha512
0948d44a54a04d7ff6397ac1382599f1d3d1f90c14097ae15088583c56fad90cf42f1b016b34a2722254de0f2641b568959bb87461a66f2f9034e5dbaaf6aabb
ripemd-160
a4d31a6791de8e22afdb145bd32aeb28601db10d
Diameter
42789024
Circumference
134425683.45268
Area
1.4379859488683E+15
Volume
4.1020010185191E+22
Surface area
5.751943795473E+15
Circumference
134425683.45268
Perimeter
85578048
Area
457725143718144
Diagonal
30256409.030754
Surface area
2746350862308864
Volume
9.7928060799796E+21
Space diagonal
37056381.787142
Perimeter
64183536
Area
1.982008012054E+14
Altitude
18528190.893571
Surface area
1.982008012054E+14
Volume
1.1540932643331E+21
Height
10085469.676918