20087921 (number)

20087921 is an odd 8-digits composite number following 20087920 and preceding 20087922. In scientific notation, it is written as 2.0087921 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 16080768 positive integers (up to 20087921) that are relatively prime to 20087921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0087921 × 10^7
Engineering notation 2.0087921 × 10^6

Prime Factorization of 20087921

Prime Factorization 7 × 19 × 73 × 2069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20087921
Product of the distinct prime numbers

The prime factorization of 20087921 is 7 × 19 × 73 × 2069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 72, 48, 430, 79, 5821, 9216, 45058, 88009, 163376, 233808, 5399385, 8697199, 38875859, 26915154, 94826002, 7117802, 5239173085, 9533279179

Basic calculations (n = 20087921)

Multiplication

n×y
n×2 40175842
n×3 60263763
n×4 80351684
n×5 100439605

Division

n÷y
n÷2 10043960.5
n÷3 6695973.6666667
n÷3 5021980.25
n÷5 4017584.2

Exponentiation

ny
n2 403524570102241
n3 8.1059696857728E+21
n4 1.628320786762E+29
n5 3.2709579327133E+36

Nth Root

y√n
2√n 4481.9550421663
3√n 271.83893741076
4√n 66.947405044306
5√n 28.879322350259

Divisors of 20087921

1, 7, 19, 73, 133, 511, 1387, 2069, 9709, 14483, 39311, 151037, 275177, 1057259, 2869703, 20087921

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 -20087920
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 20087921 can be divided by 16 positive divisors. The sum of these divisors (counting 20087921) is 1, the average is 0.0625.

Base conversion 20087921

Base System Value
2 Binary 1001100101000010001110001
3 Ternary 1101210120110002
4 Quaternary 1030220101301
5 Quinary 20120303141
6 Senary 1554315345
8 Octal 114502161
10 Decimal 20087921
12 Duodecimal 6888b55
16 Hexadecimal 1328471
20 Vigesimal 65ajg1
36 Base36 byjxt

Cryptographic Hash Functions

md5 5f273e3830ae60b0f84c322c36c1ad83
sha1 551ec17c54e7c3e009795deddccd4780651c0dc7
sha256 f83eec7bab66ddbb655b58a347de26a515c841266fb29c7e0ad9deb7b1a6316e
sha512 59eb94e52a9bfd191887b7abe66e5bfce8923f997137114f7543d916ff35647c65a2128b450ca0f906014ccc4c95d3870c4b666e4c1363c93dd5e97a6c0af16d
ripemd-160 6640530c05976c7e0a28a0910b54be25d8d9e0e7

20087921 as geometric shapes

Circle

Radius = n
Diameter 40175842
Circumference 126216130.07898
Area 1.2677098249762E+15

Sphere

Radius = n
Volume 3.395420642006E+22
Surface area 5.0708392999047E+15
Circumference 126216130.07898

Square

Length = n
Perimeter 80351684
Area 403524570102241
Diagonal 28408610.318079

Cube

Length = n
Surface area 2421147420613446
Volume 8.1059696857728E+21
Space diagonal 34793299.79043

Equilateral Triangle

Length = n
Perimeter 60263763
Area 1.7473126437987E+14
Altitude 17396649.895215

Triangular Pyramid

Length = n
Surface area 1.7473126437987E+14
Volume 9.5529768881709E+20
Height 9469536.7726931