21378046 is an even 8-digits composite number following 21378045
and preceding 21378047 . In scientific notation, it is written as 2.1378046 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 10262560 positive integers (up to 21378046) that are relatively prime to 21378046.
21378046 has 16 divisors, whose sum is 33359040
The reverse of 21378046 is 64087312
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred seventy-eight thousand forty-six
Scientific notation
2.1378046 × 10^7
Engineering notation
2.1378046 × 10^6
Prime Factorization
2 × 29 × 197 × 1871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21378046
Product of the distinct prime numbers
The prime factorization of 21378046 is 2 × 29 × 197 × 1871.
Since it has a total of 4 prime factors.
3 , 3 , 33 , 38 , 14 , 416 , 153 , 5704 , 77697 , 75431 , 357152 , 992457 , 142984 , 3392174 , 86081773 , 57963037 , 807715710 , 739260846 , 2835502537 , 8571874164
n×2
42756092
n×3
64134138
n×4
85512184
n×5
106890230
n÷2
10689023
n÷3
7126015.3333333
n÷3
5344511.5
n÷5
4275609.2
n2
457020850778116
n3
9.7702127708937E+21
n4
2.0886805804595E+29
n5
4.4651909528371E+36
2 √n
4623.6399081243
3 √n
277.5381372253
4 √n
67.99735221407
5 √n
29.241092959875
1 , 2 , 29 , 58 , 197 , 394 , 1871 , 3742 , 5713 , 11426 , 54259 , 108518 , 368587 , 737174 , 10689023 , 21378046
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
-21378045
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 21378046 can be divided by 16 positive divisors.
The sum of these divisors (counting 21378046) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100011001111111110
3
Ternary
1111020010011111
4
Quaternary
1101203033332
5
Quinary
20433044141
6
Senary
2042112234
8
Octal
121431776
10
Decimal
21378046
12
Duodecimal
71ab67a
16
Hexadecimal
14633fe
20
Vigesimal
6dc526
36
Base36
cq7em
md5
918c08df11249c119565b281c77c1a72
sha1
be81a24fb318ae7f56eb8c28e763beaab53fb4ef
sha256
d3347c3e29bec167fac075827386eecc7d74fbae3d8c31a991ea4d1aa1d188b2
sha512
69ae6542164698d6bf7f9e2df956739b1b21802387c10a0f8f253c4dafd65431afa343b1540c9ceaebe6cf7161a75c4189190b67f7204774288475effdfd8637
ripemd-160
c4d2ad7e9d170f0987f64719fe1f48da792b3878
Diameter
42756092
Circumference
134322224.52341
Area
1.4357733473419E+15
Volume
4.0925371553398E+22
Surface area
5.7430933893675E+15
Circumference
134322224.52341
Perimeter
85512184
Area
457020850778116
Diagonal
30233122.590236
Surface area
2742125104668696
Volume
9.7702127708937E+21
Space diagonal
37027861.838545
Perimeter
64134138
Area
1.9789583341651E+14
Altitude
18513930.919272
Surface area
1.9789583341651E+14
Volume
1.1514306173224E+21
Height
10077707.530079