20987025 (number)

20987025 is an odd 8-digits composite number following 20987024 and preceding 20987026. In scientific notation, it is written as 2.0987025 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 11150400 positive integers (up to 20987025) that are relatively prime to 20987025.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-seven thousand twenty-five

Notation

Scientific notation 2.0987025 × 10^7
Engineering notation 2.0987025 × 10^6

Prime Factorization of 20987025

Prime Factorization 3 × 5 × 5 × 607 × 461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4197405
Product of the distinct prime numbers

The prime factorization of 20987025 is 3 × 5 × 5 × 607 × 461. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 20, 1, 84, 630, 6544, 3877, 30079, 77093, 585414, 390866, 5253859, 5262562, 73667647, 53765963, 662519697, 722757426, 5314350272, 4781837328

Basic calculations (n = 20987025)

Multiplication

n×y
n×2 41974050
n×3 62961075
n×4 83948100
n×5 104935125

Division

n÷y
n÷2 10493512.5
n÷3 6995675
n÷3 5246756.25
n÷5 4197405

Exponentiation

ny
n2 440455218350625
n3 9.243844678905E+21
n4 1.940007993723E+29
n5 4.0714996264464E+36

Nth Root

y√n
2√n 4581.159787652
3√n 275.83558523144
4√n 67.684265436304
5√n 29.133333202965

Divisors of 20987025

1, 3, 5, 15, 25, 75, 461, 607, 1383, 1821, 2305, 3035, 6915, 9105, 11525, 15175, 34575, 45525, 279827, 839481, 1399135, 4197405, 6995675, 20987025

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20987024
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20987025 can be divided by 24 positive divisors. The sum of these divisors (counting 20987025) is 1, the average is 0.041666666666667.

Base conversion 20987025

Base System Value
2 Binary 1010000000011110010010001
3 Ternary 1110111020210020
4 Quaternary 1100003302101
5 Quinary 20333041100
6 Senary 2025454053
8 Octal 120036221
10 Decimal 20987025
12 Duodecimal 7041329
16 Hexadecimal 1403c91
20 Vigesimal 6b37b5
36 Base36 chtox

Cryptographic Hash Functions

md5 df09b4cb6a6a70f5a35080d2bc3904a6
sha1 3dcaa29d2be76389f1ae59c03e480439b455ac91
sha256 b346ae83f9f6ebbf05b96aaae88f76348b330e4be032e76138ad5ea8349dbeeb
sha512 9b0afafd5a01444d0100b807ed2b0de8bfc28c2fa6c473246badc5b07e45fd54de15aab3b044bd29da202edee2e2af2f4c692c310a09b144dc5b25ea8e1bf1a3
ripemd-160 9e3653f6ba2b2048dd9b11392a8a964c9f1ece37

20987025 as geometric shapes

Circle

Radius = n
Diameter 41974050
Circumference 131865367.12141
Area 1.3837308782056E+15

Sphere

Radius = n
Volume 3.8720526045564E+22
Surface area 5.5349235128224E+15
Circumference 131865367.12141

Square

Length = n
Perimeter 83948100
Area 440455218350625
Diagonal 29680135.388863

Cube

Length = n
Surface area 2642731310103750
Volume 9.243844678905E+21
Space diagonal 36350593.599718

Equilateral Triangle

Length = n
Perimeter 62961075
Area 1.9072270416053E+14
Altitude 18175296.799859

Triangular Pyramid

Length = n
Surface area 1.9072270416053E+14
Volume 1.0893975427815E+21
Height 9893378.4629544