20121998 (number)

20121998 is an even 8-digits composite number following 20121997 and preceding 20121999. In scientific notation, it is written as 2.0121998 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8966496 positive integers (up to 20121998) that are relatively prime to 20121998.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand nine hundred ninety-eight

Notation

Scientific notation 2.0121998 × 10^7
Engineering notation 2.0121998 × 10^6

Prime Factorization of 20121998

Prime Factorization 2 × 13 × 29 × 26687

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121998
Product of the distinct prime numbers

The prime factorization of 20121998 is 2 × 13 × 29 × 26687. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121998)

Multiplication

n×y
n×2 40243996
n×3 60365994
n×4 80487992
n×5 100609990

Division

n÷y
n÷2 10060999
n÷3 6707332.6666667
n÷3 5030499.5
n÷5 4024399.6

Exponentiation

ny
n2 404894803512004
n3 8.1472924264789E+21
n4 1.6393980191102E+29
n5 3.298796366174E+36

Nth Root

y√n
2√n 4485.7550089143
3√n 271.99256575702
4√n 66.975779270676
5√n 28.889113842018

Divisors of 20121998

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 -20121997
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 20121998 can be divided by 16 positive divisors. The sum of these divisors (counting 20121998) is 1, the average is 0.0625.

Base conversion 20121998

Base System Value
2 Binary 1001100110000100110001110
3 Ternary 1101212022012012
4 Quaternary 1030300212032
5 Quinary 20122400443
6 Senary 1555141222
8 Octal 114604616
10 Decimal 20121998
12 Duodecimal 68a4812
16 Hexadecimal 133098e
20 Vigesimal 65f4ji
36 Base36 bza8e

Cryptographic Hash Functions

md5 f6f547cdd2ab0ed0854cab5e84eefdc1
sha1 b0e8571286fa0a87c80808d90197787d439603c6
sha256 ea78678c4a606dbf2c75795d235f731edc6a8cb87fd2b1c33af0d7267042e188
sha512 bcf74d5a2f25d0ee35023104f0c73050a05b4f813abac26c89598cd5d9af5f7169f1dcda3e7e901b36ff1f3e8f0cebdf4d80868cb006b78dac12b7db4cb3543e
ripemd-160 01758a0f406b5ef0f6a33c7a0d8160b7e2c97379

20121998 as geometric shapes

Circle

Radius = n
Diameter 40243996
Circumference 126430242.1847
Area 1.27201454019E+15

Sphere

Radius = n
Volume 3.4127298711565E+22
Surface area 5.08805816076E+15
Circumference 126430242.1847

Square

Length = n
Perimeter 80487992
Area 404894803512004
Diagonal 28456802.473644

Cube

Length = n
Surface area 2429368821072024
Volume 8.1472924264789E+21
Space diagonal 34852322.885799

Equilateral Triangle

Length = n
Perimeter 60365994
Area 1.7532459285085E+14
Altitude 17426161.4429

Triangular Pyramid

Length = n
Surface area 1.7532459285085E+14
Volume 9.6016762051218E+20
Height 9485600.8245481