20406978 (number)

20406978 is an even 8-digits composite number following 20406977 and preceding 20406979. In scientific notation, it is written as 2.0406978 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 40 positive divisors. There are 6730776 positive integers (up to 20406978) that are relatively prime to 20406978.

Interesting facts

Basic properties

Name

Name twenty million four hundred six thousand nine hundred seventy-eight

Notation

Scientific notation 2.0406978 × 10^7
Engineering notation 2.0406978 × 10^6

Prime Factorization of 20406978

Prime Factorization 2 × 9 × 3 × 3 × 103 × 1223

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 6802326
Product of the distinct prime numbers

The prime factorization of 20406978 is 2 × 9 × 3 × 3 × 103 × 1223. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 10, 26, 9, 11, 842, 2443, 4461, 56191, 41783, 151123, 846272, 989664, 4248869, 96049390, 18617254, 317248079, 571084465, 6643331403, 3534898248

Basic calculations (n = 20406978)

Multiplication

n×y
n×2 40813956
n×3 61220934
n×4 81627912
n×5 102034890

Division

n÷y
n÷2 10203489
n÷3 6802326
n÷3 5101744.5
n÷5 4081395.6

Exponentiation

ny
n2 416444751092484
n3 8.4983788737598E+21
n4 1.7342623071248E+29
n5 3.5391052747725E+36

Nth Root

y√n
2√n 4517.4083277915
3√n 273.27059271186
4√n 67.211668092612
5√n 28.970483225037

Divisors of 20406978

1, 2, 3, 6, 9, 18, 27, 54, 81, 103, 162, 206, 309, 618, 927, 1223, 1854, 2446, 2781, 3669, 5562, 7338, 8343, 11007, 16686, 22014, 33021, 66042, 99063, 125969, 198126, 251938, 377907, 755814, 1133721, 2267442, 3401163, 6802326, 10203489, 20406978

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20406977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20406978 can be divided by 40 positive divisors. The sum of these divisors (counting 20406978) is 1, the average is 0.025.

Base conversion 20406978

Base System Value
2 Binary 1001101110110001011000010
3 Ternary 1102101210010000
4 Quaternary 1031312023002
5 Quinary 20211010403
6 Senary 2005220430
8 Octal 115661302
10 Decimal 20406978
12 Duodecimal 6a01716
16 Hexadecimal 13762c2
20 Vigesimal 67ah8i
36 Base36 c5e4i

Cryptographic Hash Functions

md5 db68f644da00c1d23ccab874378e2654
sha1 24744c7e02390ae8c39093f0dcdb1086fedb77c9
sha256 7d88bc048ffecc8792f83a963eeaedd68ceff6908975198899d360ef29b2cae2
sha512 341ee4b5b1b81cc78b80bec6d77a2e517d6d90f8c0eb581bfd80a2086e4e1a3daaff735192ce14b1f7535170051bde2efd7a7fc2cc142a6cc243e776578de350
ripemd-160 df57de7a541e5b8d12a12f8c1b19b68af2998b63

20406978 as geometric shapes

Circle

Radius = n
Diameter 40813956
Circumference 128220824.33354
Area 1.3082997706582E+15

Sphere

Radius = n
Volume 3.5597926182969E+22
Surface area 5.2331990826327E+15
Circumference 128220824.33354

Square

Length = n
Perimeter 81627912
Area 416444751092484
Diagonal 28859825.054649

Cube

Length = n
Surface area 2498668506554904
Volume 8.4983788737598E+21
Space diagonal 35345922.72494

Equilateral Triangle

Length = n
Perimeter 61220934
Area 1.8032586685939E+14
Altitude 17672961.36247

Triangular Pyramid

Length = n
Surface area 1.8032586685939E+14
Volume 1.0015435551213E+21
Height 9619941.6848831