21297977 (number)

21297977 is an odd 8-digits composite number following 21297976 and preceding 21297978. In scientific notation, it is written as 2.1297977 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 19115712 positive integers (up to 21297977) that are relatively prime to 21297977.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-seven thousand nine hundred seventy-seven

Notation

Scientific notation 2.1297977 × 10^7
Engineering notation 2.1297977 × 10^6

Prime Factorization of 21297977

Prime Factorization 23 × 29 × 37 × 863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21297977
Product of the distinct prime numbers

The prime factorization of 21297977 is 23 × 29 × 37 × 863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21297977)

Multiplication

n×y
n×2 42595954
n×3 63893931
n×4 85191908
n×5 106489885

Division

n÷y
n÷2 10648988.5
n÷3 7099325.6666667
n÷3 5324494.25
n÷5 4259595.4

Exponentiation

ny
n2 453603824292529
n3 9.6608438168943E+21
n4 2.0575642941281E+29
n5 4.3821957012361E+36

Nth Root

y√n
2√n 4614.973131016
3√n 277.19120806654
4√n 67.93359353822
5√n 29.219156243953

Divisors of 21297977

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 -21297976
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 21297977 can be divided by 16 positive divisors. The sum of these divisors (counting 21297977) is 1, the average is 0.0625.

Base conversion 21297977

Base System Value
2 Binary 1010001001111101100111001
3 Ternary 1111002001022222
4 Quaternary 1101033230321
5 Quinary 20423013402
6 Senary 2040253425
8 Octal 121175471
10 Decimal 21297977
12 Duodecimal 7171275
16 Hexadecimal 144fb39
20 Vigesimal 6d24ih
36 Base36 cohmh

Cryptographic Hash Functions

md5 74518991af4bdee823a047fcffc96b9a
sha1 cde7aabd240cdcc784295f9746129d450979b9ce
sha256 39ca015287344a65dd1801f6bcd0483b2079634c3f615c69cdf94f9d955f6221
sha512 5f418cc1ee5d2ed6243cd09a8b1cd34a6e842763e7d2c9a669cf7412c85838531c6fad20af5075fe70b0548789e9b1ab5c0194f07517a8465c2f7b5aea00c922
ripemd-160 85844e1acdfcb3671d44e766dd2217355bac1dd6

21297977 as geometric shapes

Circle

Radius = n
Diameter 42595954
Circumference 133819136.15905
Area 1.4250384420376E+15

Sphere

Radius = n
Volume 4.0467247950178E+22
Surface area 5.7001537681506E+15
Circumference 133819136.15905

Square

Length = n
Perimeter 85191908
Area 453603824292529
Diagonal 30119887.92451

Cube

Length = n
Surface area 2721622945755174
Volume 9.6608438168943E+21
Space diagonal 36889178.262433

Equilateral Triangle

Length = n
Perimeter 63893931
Area 1.9641621754555E+14
Altitude 18444589.131217

Triangular Pyramid

Length = n
Surface area 1.9641621754555E+14
Volume 1.138541362485E+21
Height 10039962.641503