21882978 (number)

21882978 is an even 8-digits composite number following 21882977 and preceding 21882979. In scientific notation, it is written as 2.1882978 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 6336000 positive integers (up to 21882978) that are relatively prime to 21882978.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-two thousand nine hundred seventy-eight

Notation

Scientific notation 2.1882978 × 10^7
Engineering notation 2.1882978 × 10^6

Prime Factorization of 21882978

Prime Factorization 2 × 3 × 51 × 13 × 5501

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21882978
Product of the distinct prime numbers

The prime factorization of 21882978 is 2 × 3 × 51 × 13 × 5501. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21882978)

Multiplication

n×y
n×2 43765956
n×3 65648934
n×4 87531912
n×5 109414890

Division

n÷y
n÷2 10941489
n÷3 7294326
n÷3 5470744.5
n÷5 4376595.6

Exponentiation

ny
n2 478864726148484
n3 1.0478986267283E+22
n4 2.2931142594926E+29
n5 5.0180168891963E+36

Nth Root

y√n
2√n 4677.9245397933
3√n 279.70623100836
4√n 68.395354665308
5√n 29.377936295305

Divisors of 21882978

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21882977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21882978 can be divided by 32 positive divisors. The sum of these divisors (counting 21882978) is 1, the average is 0.03125.

Base conversion 21882978

Base System Value
2 Binary 1010011011110100001100010
3 Ternary 1112011202210200
4 Quaternary 1103132201202
5 Quinary 21100223403
6 Senary 2101010030
8 Octal 123364142
10 Decimal 21882978
12 Duodecimal 73b3916
16 Hexadecimal 14de862
20 Vigesimal 6gf78i
36 Base36 d110i

Cryptographic Hash Functions

md5 722812e930a68dd3e71f88334bc3bf16
sha1 fabb69eb8a3a72a0e85d83797efdc572504f43ae
sha256 476c49b4e5c526e97f3593d86bd6cfe2ec5be310e3627233a6036786bdebfdf5
sha512 6730de9ebcfb1966d21cee569285987a99f0bbd134b1e9b9cb47c3582a8a585af43092ad1186562e66319a6319594e792279718eb34e892d37bb5ec2d6ad0b38
ripemd-160 a829d4fdc2fca3cac466a889101072dd4dd4c07c

21882978 as geometric shapes

Circle

Radius = n
Diameter 43765956
Circumference 137494805.84693
Area 1.5043979057314E+15

Sphere

Radius = n
Volume 4.3894275032487E+22
Surface area 6.0175916229255E+15
Circumference 137494805.84693

Square

Length = n
Perimeter 87531912
Area 478864726148484
Diagonal 30947204.272712

Cube

Length = n
Surface area 2873188356890904
Volume 1.0478986267283E+22
Space diagonal 37902429.716912

Equilateral Triangle

Length = n
Perimeter 65648934
Area 2.0735450891043E+14
Altitude 18951214.858456

Triangular Pyramid

Length = n
Surface area 2.0735450891043E+14
Volume 1.2349603749261E+21
Height 10315734.757571