21281277 (number)

21281277 is an odd 8-digits composite number following 21281276 and preceding 21281278. In scientific notation, it is written as 2.1281277 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13885872 positive integers (up to 21281277) that are relatively prime to 21281277.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred eighty-one thousand two hundred seventy-seven

Notation

Scientific notation 2.1281277 × 10^7
Engineering notation 2.1281277 × 10^6

Prime Factorization of 21281277

Prime Factorization 3 × 239 × 67 × 443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21281277
Product of the distinct prime numbers

The prime factorization of 21281277 is 3 × 239 × 67 × 443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21281277)

Multiplication

n×y
n×2 42562554
n×3 63843831
n×4 85125108
n×5 106406385

Division

n÷y
n÷2 10640638.5
n÷3 7093759
n÷3 5320319.25
n÷5 4256255.4

Exponentiation

ny
n2 452892750750729
n3 9.6381360800182E+21
n4 2.0511184368256E+29
n5 4.3650419613893E+36

Nth Root

y√n
2√n 4613.1634482208
3√n 277.11873946837
4√n 67.920272733704
5√n 29.214572587698

Divisors of 21281277

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 -21281276
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 21281277 can be divided by 16 positive divisors. The sum of these divisors (counting 21281277) is 1, the average is 0.0625.

Base conversion 21281277

Base System Value
2 Binary 1010001001011100111111101
3 Ternary 1111001012102110
4 Quaternary 1101023213331
5 Quinary 20422000102
6 Senary 2040044233
8 Octal 121134775
10 Decimal 21281277
12 Duodecimal 7163679
16 Hexadecimal 144b9fd
20 Vigesimal 6d033h
36 Base36 co4ql

Cryptographic Hash Functions

md5 96e3b7cf094ea59a05cfc6c933247ead
sha1 2b268103c0c8fedb916a7327b26fdff717c8f11b
sha256 2bfd0aa44e65554568bbc3880fa9b3359fb8eaa72ca3be5665f8aea41ccc3b6c
sha512 2da9c47611585328a6b8858e649ccf43c9489797822ee7edfd974c489f5e89a8d8da2b6d4fe87c0738a53b53e58e0e97cf1c072d47b545b253a723bc4bb4bb24
ripemd-160 3c938afc7b9bd1caeab826f2609938612f9efd49

21281277 as geometric shapes

Circle

Radius = n
Diameter 42562554
Circumference 133714206.96442
Area 1.4228045386226E+15

Sphere

Radius = n
Volume 4.0372130004379E+22
Surface area 5.6912181544903E+15
Circumference 133714206.96442

Square

Length = n
Perimeter 85125108
Area 452892750750729
Diagonal 30096270.558019

Cube

Length = n
Surface area 2717356504504374
Volume 9.6381360800182E+21
Space diagonal 36860253.013947

Equilateral Triangle

Length = n
Perimeter 63843831
Area 1.9610831366997E+14
Altitude 18430126.506973

Triangular Pyramid

Length = n
Surface area 1.9610831366997E+14
Volume 1.1358652300299E+21
Height 10032090.186006