20993989 (number)

20993989 is an odd 8-digits composite number following 20993988 and preceding 20993990. In scientific notation, it is written as 2.0993989 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 20429136 positive integers (up to 20993989) that are relatively prime to 20993989.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-three thousand nine hundred eighty-nine

Notation

Scientific notation 2.0993989 × 10^7
Engineering notation 2.0993989 × 10^6

Prime Factorization of 20993989

Prime Factorization 53 × 127 × 3119

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20993989
Product of the distinct prime numbers

The prime factorization of 20993989 is 53 × 127 × 3119. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20993989)

Multiplication

n×y
n×2 41987978
n×3 62981967
n×4 83975956
n×5 104969945

Division

n÷y
n÷2 10496994.5
n÷3 6997996.3333333
n÷3 5248497.25
n÷5 4198797.8

Exponentiation

ny
n2 440747574132121
n3 9.2530497231064E+21
n4 1.9425842410335E+29
n5 4.0782592187831E+36

Nth Root

y√n
2√n 4581.9197941474
3√n 275.86609148606
4√n 67.68987955483
5√n 29.135266374617

Divisors of 20993989

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 -20993988
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 20993989 can be divided by 8 positive divisors. The sum of these divisors (counting 20993989) is 1, the average is 0.125.

Base conversion 20993989

Base System Value
2 Binary 1010000000101011111000101
3 Ternary 1110111121100011
4 Quaternary 1100011133011
5 Quinary 20333301424
6 Senary 2025550221
8 Octal 120053705
10 Decimal 20993989
12 Duodecimal 7045371
16 Hexadecimal 14057c5
20 Vigesimal 6b44j9
36 Base36 chz2d

Cryptographic Hash Functions

md5 7d4bbac3ee4def5bd1ecb60e3e0f168a
sha1 9c07a7ab48f2b215dabe85edbb87f3562083926d
sha256 a753a87d4b7e6ce890d8851ef9e2912ce3c7d16d99c6e4ca032b87d585269fbe
sha512 ee447c18f168f94f166cbd666a4b7f0fda0dafea700e4ea59a0c4620b1c54159db509a27dd963a0328ec3a6e3accd6c69abd3a04242045b4e57d934af6b894f0
ripemd-160 77029ee97f81b9de9f9c43684eea798d706d5b07

20993989 as geometric shapes

Circle

Radius = n
Diameter 41987978
Circumference 131909123.22389
Area 1.384649340981E+15

Sphere

Radius = n
Volume 3.875908404455E+22
Surface area 5.538597363924E+15
Circumference 131909123.22389

Square

Length = n
Perimeter 83975956
Area 440747574132121
Diagonal 29689983.972112

Cube

Length = n
Surface area 2644485444792726
Volume 9.2530497231064E+21
Space diagonal 36362655.601542

Equilateral Triangle

Length = n
Perimeter 62981967
Area 1.9084929792739E+14
Altitude 18181327.800771

Triangular Pyramid

Length = n
Surface area 1.9084929792739E+14
Volume 1.0904823676441E+21
Height 9896661.3240372