20149989 (number)

20149989 is an odd 8-digits composite number following 20149988 and preceding 20149990. In scientific notation, it is written as 2.0149989 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13419120 positive integers (up to 20149989) that are relatively prime to 20149989.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand nine hundred eighty-nine

Notation

Scientific notation 2.0149989 × 10^7
Engineering notation 2.0149989 × 10^6

Prime Factorization of 20149989

Prime Factorization 3 × 1123 × 5981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20149989
Product of the distinct prime numbers

The prime factorization of 20149989 is 3 × 1123 × 5981. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149989)

Multiplication

n×y
n×2 40299978
n×3 60449967
n×4 80599956
n×5 100749945

Division

n÷y
n÷2 10074994.5
n÷3 6716663
n÷3 5037497.25
n÷5 4029997.8

Exponentiation

ny
n2 406022056700121
n3 8.1813399762648E+21
n4 1.64853910527E+29
n5 3.321804483726E+36

Nth Root

y√n
2√n 4488.8739122412
3√n 272.11862706922
4√n 66.999059039969
5√n 28.897146698549

Divisors of 20149989

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 -20149988
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 20149989 can be divided by 8 positive divisors. The sum of these divisors (counting 20149989) is 1, the average is 0.125.

Base conversion 20149989

Base System Value
2 Binary 1001100110111011011100101
3 Ternary 1101220201120220
4 Quaternary 1030313123211
5 Quinary 20124244424
6 Senary 1555514553
8 Octal 114673345
10 Decimal 20149989
12 Duodecimal 68b8a59
16 Hexadecimal 13376e5
20 Vigesimal 65iej9
36 Base36 bzvtx

Cryptographic Hash Functions

md5 98df87158b0c31c118d23843ad781a04
sha1 49cfa03c0df5a8c83adabb0ca51b94fdc53d513d
sha256 183f28f3e2a92505335b3404475a8ed38b8976df251ed1f855a47f3b4d9230db
sha512 eb1606c81c476289d8f1fbcde608119614d0f938a33e6d0bc7050e3dfc666bace6bb172592ec78c205b32190302f5bb43af9dd94e30705eeb30426d8e2cb03d8
ripemd-160 5c18ee553acb971d1829076fc18e471acfad533c

20149989 as geometric shapes

Circle

Radius = n
Diameter 40299978
Circumference 126606114.82463
Area 1.2755559105245E+15

Sphere

Radius = n
Volume 3.4269916754605E+22
Surface area 5.1022236420981E+15
Circumference 126606114.82463

Square

Length = n
Perimeter 80599956
Area 406022056700121
Diagonal 28496387.725469

Cube

Length = n
Surface area 2436132340200726
Volume 8.1813399762648E+21
Space diagonal 34900804.719954

Equilateral Triangle

Length = n
Perimeter 60449967
Area 1.7581270779956E+14
Altitude 17450402.359977

Triangular Pyramid

Length = n
Surface area 1.7581270779956E+14
Volume 9.6418016273491E+20
Height 9498795.9084896