20145993 (number)

20145993 is an odd 8-digits composite number following 20145992 and preceding 20145994. In scientific notation, it is written as 2.0145993 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 11511984 positive integers (up to 20145993) that are relatively prime to 20145993.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand nine hundred ninety-three

Notation

Scientific notation 2.0145993 × 10^7
Engineering notation 2.0145993 × 10^6

Prime Factorization of 20145993

Prime Factorization 21 × 959333

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145993
Product of the distinct prime numbers

The prime factorization of 20145993 is 21 × 959333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145993)

Multiplication

n×y
n×2 40291986
n×3 60437979
n×4 80583972
n×5 100729965

Division

n÷y
n÷2 10072996.5
n÷3 6715331
n÷3 5036498.25
n÷5 4029198.6

Exponentiation

ny
n2 405861033956049
n3 8.1764735490513E+21
n4 1.6472317888387E+29
n5 3.3185120087323E+36

Nth Root

y√n
2√n 4488.4287896769
3√n 272.10063768103
4√n 66.99573710078
5√n 28.896000473018

Divisors of 20145993

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145992
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145993 can be divided by 4 positive divisors. The sum of these divisors (counting 20145993) is 1, the average is 0.25.

Base conversion 20145993

Base System Value
2 Binary 1001100110110011101001001
3 Ternary 1101220112002220
4 Quaternary 1030312131021
5 Quinary 20124132433
6 Senary 1555444253
8 Octal 114663511
10 Decimal 20145993
12 Duodecimal 68b6689
16 Hexadecimal 1336749
20 Vigesimal 65i4jd
36 Base36 bzsqx

Cryptographic Hash Functions

md5 2ab22d99ac2034255dbf1d96477865e4
sha1 5d67d17ac447617454f40940fc38f374ff7a5cf8
sha256 2455a179893f1a99bdd344a0e2a2f7569ca8e77af9a5b744fe3aa5fc15e44acf
sha512 e52c3923ccb5dda45396eb96fcab3d982d7814e16aee52f1446150e29a9b6f94073edf5bf652602a954f768ff293c69528fb08cc6e979df755aa642213fa20c7
ripemd-160 fb3f18a18adc5b5bd7769e749aa5fe2d8d7d6b01

20145993 as geometric shapes

Circle

Radius = n
Diameter 40291986
Circumference 126581007.21614
Area 1.2750500426547E+15

Sphere

Radius = n
Volume 3.4249532311961E+22
Surface area 5.1002001706187E+15
Circumference 126581007.21614

Square

Length = n
Perimeter 80583972
Area 405861033956049
Diagonal 28490736.528073

Cube

Length = n
Surface area 2435166203736294
Volume 8.1764735490513E+21
Space diagonal 34893883.444927

Equilateral Triangle

Length = n
Perimeter 60437979
Area 1.7574298290608E+14
Altitude 17446941.722463

Triangular Pyramid

Length = n
Surface area 1.7574298290608E+14
Volume 9.6360664878777E+20
Height 9496912.1760245