21378055 (number)

21378055 is an odd 8-digits composite number following 21378054 and preceding 21378056. In scientific notation, it is written as 2.1378055 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17102440 positive integers (up to 21378055) that are relatively prime to 21378055.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-eight thousand fifty-five

Notation

Scientific notation 2.1378055 × 10^7
Engineering notation 2.1378055 × 10^6

Prime Factorization of 21378055

Prime Factorization 5 × 4275611

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21378055
Product of the distinct prime numbers

The prime factorization of 21378055 is 5 × 4275611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21378055)

Multiplication

n×y
n×2 42756110
n×3 64134165
n×4 85512220
n×5 106890275

Division

n÷y
n÷2 10689027.5
n÷3 7126018.3333333
n÷3 5344513.75
n÷5 4275611

Exponentiation

ny
n2 457021235583025
n3 9.7702251104619E+21
n4 2.0886840977383E+29
n5 4.4652003519076E+36

Nth Root

y√n
2√n 4623.6408813834
3√n 277.53817617246
4√n 67.997359370665
5√n 29.241095421932

Divisors of 21378055

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21378054
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21378055 can be divided by 4 positive divisors. The sum of these divisors (counting 21378055) is 1, the average is 0.25.

Base conversion 21378055

Base System Value
2 Binary 1010001100011010000000111
3 Ternary 1111020010011211
4 Quaternary 1101203100013
5 Quinary 20433044210
6 Senary 2042112251
8 Octal 121432007
10 Decimal 21378055
12 Duodecimal 71ab687
16 Hexadecimal 1463407
20 Vigesimal 6dc52f
36 Base36 cq7ev

Cryptographic Hash Functions

md5 9c82d0a47a90b2890c6cbb5564725449
sha1 96aa76997a6fe3a34f9febc26addd19a8fe66a66
sha256 b615d66ed47e90c505011ddcbfc4a7e38c17e4099469fc56ff8ca819b09a6de0
sha512 8806f036413a5c18ef8c40300304055ad3241835012f895747520e104b350d2dada0f0a7902d2d1207a76094707003087a7b73249b34cf51802666d91beb89aa
ripemd-160 e77d288a787b359850ae2fc0ac280423f4852e79

21378055 as geometric shapes

Circle

Radius = n
Diameter 42756110
Circumference 134322281.07208
Area 1.4357745562422E+15

Sphere

Radius = n
Volume 4.0925423241261E+22
Surface area 5.7430982249686E+15
Circumference 134322281.07208

Square

Length = n
Perimeter 85512220
Area 457021235583025
Diagonal 30233135.318158

Cube

Length = n
Surface area 2742127413498150
Volume 9.7702251104619E+21
Space diagonal 37027877.427002

Equilateral Triangle

Length = n
Perimeter 64134165
Area 1.9789600004193E+14
Altitude 18513938.713501

Triangular Pyramid

Length = n
Surface area 1.9789600004193E+14
Volume 1.1514320715544E+21
Height 10077711.772719