21977487 (number)

21977487 is an odd 8-digits composite number following 21977486 and preceding 21977488. In scientific notation, it is written as 2.1977487 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 12380688 positive integers (up to 21977487) that are relatively prime to 21977487.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-seven thousand four hundred eighty-seven

Notation

Scientific notation 2.1977487 × 10^7
Engineering notation 2.1977487 × 10^6

Prime Factorization of 21977487

Prime Factorization 3 × 189 × 83 × 467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21977487
Product of the distinct prime numbers

The prime factorization of 21977487 is 3 × 189 × 83 × 467. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 48, 11, 44, 504, 6454, 2923, 2353, 888, 667364, 395528, 7314484, 933366, 72458597, 27065964, 660004976, 361399862, 6899900480, 3322241790

Basic calculations (n = 21977487)

Multiplication

n×y
n×2 43954974
n×3 65932461
n×4 87909948
n×5 109887435

Division

n÷y
n÷2 10988743.5
n÷3 7325829
n÷3 5494371.75
n÷5 4395497.4

Exponentiation

ny
n2 483009934835169
n3 1.0615344563711E+22
n4 2.3329859714947E+29
n5 5.1273168859708E+36

Nth Root

y√n
2√n 4688.0152516817
3√n 280.10832118455
4√n 68.469082450999
5√n 29.40326827077

Divisors of 21977487

1, 3, 83, 189, 249, 467, 567, 1401, 15687, 38761, 47061, 88263, 116283, 264789, 7325829, 21977487

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 -21977486
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 21977487 can be divided by 16 positive divisors. The sum of these divisors (counting 21977487) is 1, the average is 0.0625.

Base conversion 21977487

Base System Value
2 Binary 1010011110101100110001111
3 Ternary 1112100120110000
4 Quaternary 1103311212033
5 Quinary 21111234422
6 Senary 2103015343
8 Octal 123654617
10 Decimal 21977487
12 Duodecimal 743a553
16 Hexadecimal 14f598f
20 Vigesimal 6h73e7
36 Base36 d31xr

Cryptographic Hash Functions

md5 15978a3cd2d3f5155a2db31581cc978f
sha1 eefb24c05aecef768072c471db1df3fa47a9ab27
sha256 405c3920866d2f019f7687880bd1570718eff0332a89aa9b899fecf925fa41df
sha512 573f000453b95598e2338b3de73a87770a231484b9cadb0ab38622b2296d961e9516a266a6bb0474f96f31fa11e1d52e8fe77a5d2585a348051ad069e1dcbb1c
ripemd-160 43e44bbd9ff17ecdc6b6126a6ba0ac4c24d224ed

21977487 as geometric shapes

Circle

Radius = n
Diameter 43954974
Circumference 138088623.40713
Area 1.5174204628891E+15

Sphere

Radius = n
Volume 4.4465451328904E+22
Surface area 6.0696818515562E+15
Circumference 138088623.40713

Square

Length = n
Perimeter 87909948
Area 483009934835169
Diagonal 31080860.182278

Cube

Length = n
Surface area 2898059609011014
Volume 1.0615344563711E+22
Space diagonal 38066124.106684

Equilateral Triangle

Length = n
Perimeter 65932461
Area 2.0914943692376E+14
Altitude 19033062.053342

Triangular Pyramid

Length = n
Surface area 2.0914943692376E+14
Volume 1.2510303542719E+21
Height 10360286.727426