21378045 is an odd 8-digits composite number following 21378044
and preceding 21378046 . In scientific notation, it is written as 2.1378045 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10236672 positive integers (up to 21378045) that are relatively prime to 21378045.
21378045 has 16 divisors, whose sum is 25229568
The reverse of 21378045 is 54087312
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million three hundred seventy-eight thousand forty-five
Scientific notation
2.1378045 × 10^7
Engineering notation
2.1378045 × 10^6
Prime Factorization
15 × 13 × 37 × 2963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21378045
Product of the distinct prime numbers
The prime factorization of 21378045 is 15 × 13 × 37 × 2963.
Since it has a total of 4 prime factors.
7 , 3 , 65 , 55 , 687 , 364 , 4507 , 7574 , 27611 , 34055 , 315195 , 117187 , 5399301 , 3633640 , 39758028 , 70620148 , 698318068 , 750258918 , 2966622200 , 2484425555
n×2
42756090
n×3
64134135
n×4
85512180
n×5
106890225
n÷2
10689022.5
n÷3
7126015
n÷3
5344511.25
n÷5
4275609
n2
457020808022025
n3
9.7702113998312E+21
n4
2.088680189651E+29
n5
4.4651899084969E+36
2 √n
4623.6397999844
3 √n
277.53813289783
4 √n
67.997351418893
5 √n
29.241092686313
1 , 13 , 15 , 37 , 195 , 481 , 555 , 2963 , 7215 , 38519 , 44445 , 109631 , 577785 , 1425203 , 1644465 , 21378045
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
-21378044
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 21378045 can be divided by 16 positive divisors.
The sum of these divisors (counting 21378045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100011001111111101
3
Ternary
1111020010011110
4
Quaternary
1101203033331
5
Quinary
20433044140
6
Senary
2042112233
8
Octal
121431775
10
Decimal
21378045
12
Duodecimal
71ab679
16
Hexadecimal
14633fd
20
Vigesimal
6dc525
36
Base36
cq7el
md5
7a4de37976cdb6fc4a3dfc34cda4142e
sha1
2b7ccb9ab31aa5373105f4cdef249730fb42c006
sha256
bd7453ced361da9599fe2a3c985c99926b3a16caae2c087576b9bb7c348602fc
sha512
d5d7fcd17ea0fea61a4a789f95811079c966494ca12a587300e1f0890cb9ec1536b597525d1ad4922560bbfa9c608c0be61e0c774ca08818c4e4b0c92b68b84c
ripemd-160
198e9a3e4fc91f3254716f8c11a0eb3475a2a091
Diameter
42756090
Circumference
134322218.24022
Area
1.4357732130197E+15
Volume
4.0925365810305E+22
Surface area
5.7430928520787E+15
Circumference
134322218.24022
Perimeter
85512180
Area
457020808022025
Diagonal
30233121.176022
Surface area
2742124848132150
Volume
9.7702113998312E+21
Space diagonal
37027860.106494
Perimeter
64134135
Area
1.9789581490258E+14
Altitude
18513930.053247
Surface area
1.9789581490258E+14
Volume
1.1514304557411E+21
Height
10077707.058674