20121138 (number)

20121138 is an even 8-digits composite number following 20121137 and preceding 20121139. In scientific notation, it is written as 2.0121138 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 6694272 positive integers (up to 20121138) that are relatively prime to 20121138.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand one hundred thirty-eight

Notation

Scientific notation 2.0121138 × 10^7
Engineering notation 2.0121138 × 10^6

Prime Factorization of 20121138

Prime Factorization 2 × 9 × 937 × 1193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121138
Product of the distinct prime numbers

The prime factorization of 20121138 is 2 × 9 × 937 × 1193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 69, 73, 468, 874, 3415, 3083, 84038, 70294, 446880, 270174, 3769199, 8694442, 11525999, 15604056, 215173817, 655102656, 9787996212, 9113218426

Basic calculations (n = 20121138)

Multiplication

n×y
n×2 40242276
n×3 60363414
n×4 80484552
n×5 100605690

Division

n÷y
n÷2 10060569
n÷3 6707046
n÷3 5030284.5
n÷5 4024227.6

Exponentiation

ny
n2 404860194415044
n3 8.1462478425319E+21
n4 1.6391177702179E+29
n5 3.2980914852806E+36

Nth Root

y√n
2√n 4485.6591488877
3√n 271.98869077835
4√n 66.975063634816
5√n 28.888866897727

Divisors of 20121138

1, 2, 9, 18, 937, 1193, 1874, 2386, 8433, 10737, 16866, 21474, 1117841, 2235682, 10060569, 20121138

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 -20121137
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 20121138 can be divided by 16 positive divisors. The sum of these divisors (counting 20121138) is 1, the average is 0.0625.

Base conversion 20121138

Base System Value
2 Binary 1001100110000011000110010
3 Ternary 1101212021000100
4 Quaternary 1030300120302
5 Quinary 20122334023
6 Senary 1555133230
8 Octal 114603062
10 Decimal 20121138
12 Duodecimal 68a4216
16 Hexadecimal 1330632
20 Vigesimal 65f2gi
36 Base36 bz9ki

Cryptographic Hash Functions

md5 76803b758fad51f2b2ae43315b076e1e
sha1 82a13f8bf66b1062117370d156c827d5ea6b9c4c
sha256 f127ce07ff362ff315f9a088c06df78102de4f682500bcc24ea1f276423dcbac
sha512 62c36e5a2ca98b5e4d90979b982117783ed2a3e0467219e6a2a1f7b449e379469b2e9a58c4bc06d69b68ee034c65d2b7a6eee0160c3ed2be870e988e515068a6
ripemd-160 a72cc1bd21939a3cf330e8b8cf0e4d800555f813

20121138 as geometric shapes

Circle

Radius = n
Diameter 40242276
Circumference 126424838.64533
Area 1.2719058125052E+15

Sphere

Radius = n
Volume 3.412292316856E+22
Surface area 5.087623250021E+15
Circumference 126424838.64533

Square

Length = n
Perimeter 80484552
Area 404860194415044
Diagonal 28455586.249981

Cube

Length = n
Surface area 2429161166490264
Volume 8.1462478425319E+21
Space diagonal 34850833.322105

Equilateral Triangle

Length = n
Perimeter 60363414
Area 1.7530960667227E+14
Altitude 17425416.661052

Triangular Pyramid

Length = n
Surface area 1.7530960667227E+14
Volume 9.6004451511344E+20
Height 9485195.4166602