20921430 (number)

20921430 is an even 8-digits composite number following 20921429 and preceding 20921431. In scientific notation, it is written as 2.0921430 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 5579040 positive integers (up to 20921430) that are relatively prime to 20921430.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred thirty

Notation

Scientific notation 2.0921430 × 10^7
Engineering notation 2.0921430 × 10^6

Prime Factorization of 20921430

Prime Factorization 2 × 5 × 3 × 697381

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921430
Product of the distinct prime numbers

The prime factorization of 20921430 is 2 × 5 × 3 × 697381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 28, 63, 939, 281, 4312, 4015, 70208, 21841, 328853, 122026, 3720594, 3303299, 29795524, 47851073, 773995445, 526158218, 1470243960, 6440802897

Basic calculations (n = 20921430)

Multiplication

n×y
n×2 41842860
n×3 62764290
n×4 83685720
n×5 104607150

Division

n÷y
n÷2 10460715
n÷3 6973810
n÷3 5230357.5
n÷5 4184286

Exponentiation

ny
n2 437706233244900
n3 9.1574403193968E+21
n4 1.9158674662144E+29
n5 4.0082687083682E+36

Nth Root

y√n
2√n 4573.9949715757
3√n 275.54791037245
4√n 67.631316500389
5√n 29.115099131037

Divisors of 20921430

1, 2, 3, 5, 6, 10, 15, 30, 697381, 1394762, 2092143, 3486905, 4184286, 6973810, 10460715, 20921430

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 -20921429
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 20921430 can be divided by 16 positive divisors. The sum of these divisors (counting 20921430) is 1, the average is 0.0625.

Base conversion 20921430

Base System Value
2 Binary 1001111110011110001010110
3 Ternary 1110100220210210
4 Quaternary 1033303301112
5 Quinary 20323441210
6 Senary 2024230250
8 Octal 117636126
10 Decimal 20921430
12 Duodecimal 700b386
16 Hexadecimal 13f3c56
20 Vigesimal 6af3ba
36 Base36 cgf2u

Cryptographic Hash Functions

md5 504976caee964bc708705b3567f1ed91
sha1 3b8d6b20a8d518052c58c5320aeeb2b5f34b40ae
sha256 49822f38174fad96f0d057db0ef81dc986dba2f423422de1528713490a057ff9
sha512 6133ebeba130d2a3ccf789eab2a67f5e656893487b682eadd517dd831a6313e0ee4a112431254df08e3a7e66f6a3124aa1ea262f09c27a79df1699b2cb1d759b
ripemd-160 940acef883ab21f86daa74184fc53526ea632d97

20921430 as geometric shapes

Circle

Radius = n
Diameter 41842860
Circumference 131453221.58119
Area 1.3750946867926E+15

Sphere

Radius = n
Volume 3.8358596310805E+22
Surface area 5.5003787471706E+15
Circumference 131453221.58119

Square

Length = n
Perimeter 83685720
Area 437706233244900
Diagonal 29587370.050239

Cube

Length = n
Surface area 2626237399469400
Volume 9.1574403193968E+21
Space diagonal 36236979.726996

Equilateral Triangle

Length = n
Perimeter 62764290
Area 1.8953235869244E+14
Altitude 18118489.863498

Triangular Pyramid

Length = n
Surface area 1.8953235869244E+14
Volume 1.0792146913594E+21
Height 9862456.6834131