21298081 (number)

21298081 is an odd 8-digits composite number following 21298080 and preceding 21298082. In scientific notation, it is written as 2.1298081 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18223920 positive integers (up to 21298081) that are relatively prime to 21298081.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-eight thousand eighty-one

Notation

Scientific notation 2.1298081 × 10^7
Engineering notation 2.1298081 × 10^6

Prime Factorization of 21298081

Prime Factorization 7 × 661 × 4603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21298081
Product of the distinct prime numbers

The prime factorization of 21298081 is 7 × 661 × 4603. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21298081)

Multiplication

n×y
n×2 42596162
n×3 63894243
n×4 85192324
n×5 106490405

Division

n÷y
n÷2 10649040.5
n÷3 7099360.3333333
n÷3 5324520.25
n÷5 4259616.2

Exponentiation

ny
n2 453608254282561
n3 9.6609853419786E+21
n4 2.0576044835327E+29
n5 4.3823026956243E+36

Nth Root

y√n
2√n 4614.9843986735
3√n 277.19165924928
4√n 67.93367646958
5√n 29.219184779868

Divisors of 21298081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21298080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21298081 can be divided by 8 positive divisors. The sum of these divisors (counting 21298081) is 1, the average is 0.125.

Base conversion 21298081

Base System Value
2 Binary 1010001001111101110100001
3 Ternary 1111002001110211
4 Quaternary 1101033232201
5 Quinary 20423014311
6 Senary 2040254121
8 Octal 121175641
10 Decimal 21298081
12 Duodecimal 7171341
16 Hexadecimal 144fba1
20 Vigesimal 6d2541
36 Base36 cohpd

Cryptographic Hash Functions

md5 3b1af676505587a151ef1df00f37210c
sha1 d959aa71e80b24dad0d6618403b38ba0d08bb877
sha256 2a0166176f1cc9739c72442848de9b0453f2520c7abef4bb09022769b4537e0b
sha512 d2a104e15a9cb7fce80f9d7e0363f6c3b9781a47e09f20f249b8707c1c6fb8c877111b5d6333799399defc95d26c51d849f91ab63b4076c61581547c499579f8
ripemd-160 272fbc66f1e717c5766d2e837ac5667f1f326f27

21298081 as geometric shapes

Circle

Radius = n
Diameter 42596162
Circumference 133819789.61032
Area 1.4250523592618E+15

Sphere

Radius = n
Volume 4.0467840769065E+22
Surface area 5.7002094370471E+15
Circumference 133819789.61032

Square

Length = n
Perimeter 85192324
Area 453608254282561
Diagonal 30120035.002721

Cube

Length = n
Surface area 2721649525695366
Volume 9.6609853419786E+21
Space diagonal 36889358.395717

Equilateral Triangle

Length = n
Perimeter 63894243
Area 1.964181357875E+14
Altitude 18444679.197859

Triangular Pyramid

Length = n
Surface area 1.964181357875E+14
Volume 1.1385580413761E+21
Height 10040011.667574