21168081 (number)

21168081 is an odd 8-digits composite number following 21168080 and preceding 21168082. In scientific notation, it is written as 2.1168081 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 12733200 positive integers (up to 21168081) that are relatively prime to 21168081.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred sixty-eight thousand eighty-one

Notation

Scientific notation 2.1168081 × 10^7
Engineering notation 2.1168081 × 10^6

Prime Factorization of 21168081

Prime Factorization 27 × 11 × 271 × 263

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21168081
Product of the distinct prime numbers

The prime factorization of 21168081 is 27 × 11 × 271 × 263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 40, 58, 610, 819, 5956, 688, 85645, 52815, 753172, 547725, 6730322, 5095966, 44160384, 97130294, 265547978, 452728472, 3711690420, 3818040605

Basic calculations (n = 21168081)

Multiplication

n×y
n×2 42336162
n×3 63504243
n×4 84672324
n×5 105840405

Division

n÷y
n÷2 10584040.5
n÷3 7056027
n÷3 5292020.25
n÷5 4233616.2

Exponentiation

ny
n2 448087653222561
n3 9.4851557385151E+21
n4 2.007825449705E+29
n5 4.2501811753217E+36

Nth Root

y√n
2√n 4600.8782857189
3√n 276.62653036257
4√n 67.829774330444
5√n 29.183427546282

Divisors of 21168081

1, 11, 27, 263, 271, 297, 2893, 2981, 7101, 7317, 71273, 78111, 80487, 784003, 1924371, 21168081

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 -21168080
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 21168081 can be divided by 16 positive divisors. The sum of these divisors (counting 21168081) is 1, the average is 0.0625.

Base conversion 21168081

Base System Value
2 Binary 1010000101111111111010001
3 Ternary 1110211110011000
4 Quaternary 1100233333101
5 Quinary 20404334311
6 Senary 2033412213
8 Octal 120577721
10 Decimal 21168081
12 Duodecimal 710a069
16 Hexadecimal 142ffd1
20 Vigesimal 6c6041
36 Base36 clpe9

Cryptographic Hash Functions

md5 909482cd85a695caefcab28ac27deb6a
sha1 a70183ee3b2f18745468909db434597a25f2ec8c
sha256 20ffc6be9a1dd3e6346d06c22f4081a28631ba5ae25118a52326801fcbf783b3
sha512 6efcdf2e7fd98ea40dfb68422c6eafe41ee62bcea007e4b2d47ffc5b7194dfa201fa7f4fbb86b22267e7f1c1d5ccc3ecc3c0736b67360c2c251c619106bd9bd2
ripemd-160 6ca9684cb34b7ab468fed1895d25723196935c9e

21168081 as geometric shapes

Circle

Radius = n
Diameter 42336162
Circumference 133002975.52039
Area 1.4077088795283E+15

Sphere

Radius = n
Volume 3.9731327448365E+22
Surface area 5.6308355181132E+15
Circumference 133002975.52039

Square

Length = n
Perimeter 84672324
Area 448087653222561
Diagonal 29936187.239612

Cube

Length = n
Surface area 2688525919335366
Volume 9.4851557385151E+21
Space diagonal 36664191.790733

Equilateral Triangle

Length = n
Perimeter 63504243
Area 1.9402764540644E+14
Altitude 18332095.895367

Triangular Pyramid

Length = n
Surface area 1.9402764540644E+14
Volume 1.1178363238858E+21
Height 9978729.0798707