20921590 (number)

20921590 is an even 8-digits composite number following 20921589 and preceding 20921591. In scientific notation, it is written as 2.0921590 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 8098560 positive integers (up to 20921590) that are relatively prime to 20921590.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921590 × 10^7
Engineering notation 2.0921590 × 10^6

Prime Factorization of 20921590

Prime Factorization 2 × 5 × 31 × 67489

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921590
Product of the distinct prime numbers

The prime factorization of 20921590 is 2 × 5 × 31 × 67489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 99, 48, 93, 707, 6933, 48, 4327, 28677, 598967, 870677, 5889417, 5268091, 79632189, 75294943, 962595590, 810613303, 584923811, 1339993612

Basic calculations (n = 20921590)

Multiplication

n×y
n×2 41843180
n×3 62764770
n×4 83686360
n×5 104607950

Division

n÷y
n÷2 10460795
n÷3 6973863.3333333
n÷3 5230397.5
n÷5 4184318

Exponentiation

ny
n2 437712928128100
n3 9.1576504199956E+21
n4 1.9159260745048E+29
n5 4.0084219801098E+36

Nth Root

y√n
2√n 4574.0124617233
3√n 275.54861280297
4√n 67.63144580536
5√n 29.115143663381

Divisors of 20921590

1, 2, 5, 10, 31, 62, 155, 310, 67489, 134978, 337445, 674890, 2092159, 4184318, 10460795, 20921590

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 -20921589
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 20921590 can be divided by 16 positive divisors. The sum of these divisors (counting 20921590) is 1, the average is 0.0625.

Base conversion 20921590

Base System Value
2 Binary 1001111110011110011110110
3 Ternary 1110100221000201
4 Quaternary 1033303303312
5 Quinary 20323442330
6 Senary 2024231114
8 Octal 117636366
10 Decimal 20921590
12 Duodecimal 700b49a
16 Hexadecimal 13f3cf6
20 Vigesimal 6af3ja
36 Base36 cgf7a

Cryptographic Hash Functions

md5 8c5a17e3050e92074f20f7717b2a373b
sha1 fa921c080dae5fe82ee5dd9dc4efa9d3ff9842c3
sha256 5c6c10dcea03a8e16bbda8332d0aec875ccbd96dee8d61fb2413a8501c2ccf05
sha512 7d72144f295dcdd5108ee855a7bd4295731b07d861efc8e099104007351c48a47d2cea7244f834e4253afc82d49d8a9a81156f21fae193d422627a4f67186b11
ripemd-160 670f77553e78a91cbff140cb50669f632325d48a

20921590 as geometric shapes

Circle

Radius = n
Diameter 41843180
Circumference 131454226.89084
Area 1.3751157193885E+15

Sphere

Radius = n
Volume 3.8359476378135E+22
Surface area 5.5004628775541E+15
Circumference 131454226.89084

Square

Length = n
Perimeter 83686360
Area 437712928128100
Diagonal 29587596.324409

Cube

Length = n
Surface area 2626277568768600
Volume 9.1576504199956E+21
Space diagonal 36237256.855125

Equilateral Triangle

Length = n
Perimeter 62764770
Area 1.895352576619E+14
Altitude 18118628.427562

Triangular Pyramid

Length = n
Surface area 1.895352576619E+14
Volume 1.0792394519525E+21
Height 9862532.1081364