20921910 (number)

20921910 is an even 8-digits composite number following 20921909 and preceding 20921911. In scientific notation, it is written as 2.0921910 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 5579168 positive integers (up to 20921910) that are relatively prime to 20921910.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand nine hundred ten

Notation

Scientific notation 2.0921910 × 10^7
Engineering notation 2.0921910 × 10^6

Prime Factorization of 20921910

Prime Factorization 2 × 3 × 5 × 697397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921910
Product of the distinct prime numbers

The prime factorization of 20921910 is 2 × 3 × 5 × 697397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 21, 17, 339, 967, 2094, 2290, 48940, 47890, 601562, 274819, 7211431, 5779266, 25214179, 2348299, 244572960, 261902683, 7045407682, 5932747945

Basic calculations (n = 20921910)

Multiplication

n×y
n×2 41843820
n×3 62765730
n×4 83687640
n×5 104609550

Division

n÷y
n÷2 10460955
n÷3 6973970
n÷3 5230477.5
n÷5 4184382

Exponentiation

ny
n2 437726318048100
n3 9.1580706308337E+21
n4 1.9160432951195E+29
n5 4.0087285376593E+36

Nth Root

y√n
2√n 4574.0474418178
3√n 275.55001765328
4√n 67.631704413077
5√n 29.115232727252

Divisors of 20921910

1, 2, 3, 5, 6, 10, 15, 30, 697397, 1394794, 2092191, 3486985, 4184382, 6973970, 10460955, 20921910

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 -20921909
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 20921910 can be divided by 16 positive divisors. The sum of these divisors (counting 20921910) is 1, the average is 0.0625.

Base conversion 20921910

Base System Value
2 Binary 1001111110011111000110110
3 Ternary 1110100221110120
4 Quaternary 1033303320312
5 Quinary 20324000120
6 Senary 2024232410
8 Octal 117637066
10 Decimal 20921910
12 Duodecimal 700b706
16 Hexadecimal 13f3e36
20 Vigesimal 6af4fa
36 Base36 cgfg6

Cryptographic Hash Functions

md5 8276be77e0e2066125f7700b2b08498c
sha1 10ea02e1373492a8467a155c5cfdcb667a52511e
sha256 bae8e76f55569a4693cdd5bef26ea8d96910718e518d8fdb3073e2c7f6d15df8
sha512 a680dacbf1944b3e380e667332148b2c25fe80bca4d6230edecf7a521f9676bd1cd2b3070184b769c670750bd7094c02693a0972229d05805a3a9c94586bbd2d
ripemd-160 a4bef99a5af14e3758b81e952f08ab9efef06364

20921910 as geometric shapes

Circle

Radius = n
Diameter 41843820
Circumference 131456237.51013
Area 1.3751577850628E+15

Sphere

Radius = n
Volume 3.8361236553178E+22
Surface area 5.5006311402513E+15
Circumference 131456237.51013

Square

Length = n
Perimeter 83687640
Area 437726318048100
Diagonal 29588048.872749

Cube

Length = n
Surface area 2626357908288600
Volume 9.1580706308337E+21
Space diagonal 36237811.111383

Equilateral Triangle

Length = n
Perimeter 62765730
Area 1.8954105566734E+14
Altitude 18118905.555692

Triangular Pyramid

Length = n
Surface area 1.8954105566734E+14
Volume 1.0792889742746E+21
Height 9862682.9575831