20398440 (number)

20398440 is an even 8-digits composite number following 20398439 and preceding 20398441. In scientific notation, it is written as 2.0398440 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 5439552 positive integers (up to 20398440) that are relatively prime to 20398440.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-eight thousand four hundred forty

Notation

Scientific notation 2.0398440 × 10^7
Engineering notation 2.0398440 × 10^6

Prime Factorization of 20398440

Prime Factorization 2 × 2 × 2 × 5 × 3 × 169987

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5099610
Product of the distinct prime numbers

The prime factorization of 20398440 is 2 × 2 × 2 × 5 × 3 × 169987. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 9, 20, 62, 503, 479, 2785, 961, 81105, 12009, 741572, 931135, 7222875, 588716, 3704167, 15286969, 145182433, 992663949, 9929370712, 3647002644

Basic calculations (n = 20398440)

Multiplication

n×y
n×2 40796880
n×3 61195320
n×4 81593760
n×5 101992200

Division

n÷y
n÷2 10199220
n÷3 6799480
n÷3 5099610
n÷5 4079688

Exponentiation

ny
n2 416096354433600
n3 8.4877165201325E+21
n4 1.7313617617293E+29
n5 3.531707901493E+36

Nth Root

y√n
2√n 4516.4632180502
3√n 273.23247650496
4√n 67.204636879089
5√n 28.968058648588

Divisors of 20398440

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169987, 339974, 509961, 679948, 849935, 1019922, 1359896, 1699870, 2039844, 2549805, 3399740, 4079688, 5099610, 6799480, 10199220, 20398440

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20398439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20398440 can be divided by 32 positive divisors. The sum of these divisors (counting 20398440) is 1, the average is 0.03125.

Base conversion 20398440

Base System Value
2 Binary 1001101110100000101101000
3 Ternary 1102101100101210
4 Quaternary 1031310011220
5 Quinary 20210222230
6 Senary 2005113120
8 Octal 115640550
10 Decimal 20398440
12 Duodecimal 69b87a0
16 Hexadecimal 1374168
20 Vigesimal 679g20
36 Base36 c57jc

Cryptographic Hash Functions

md5 ba67264d250a7191403aca3bfe6b9725
sha1 c5e906465ab6c0fdf7ee32541350b24b46256f9f
sha256 4dbd6760afb4d206e65b0cfe934c15be164a7a01136d2c654215516daed5de37
sha512 a7350596952852d394d71a34a8b5b3864b6f8623f4519d343d90dbe81452a2d81d8590b71e4ff6b80664632d785e1d630f8c608ba7171e9a917804dce749b5c0
ripemd-160 f30cc509fac90e99fb240fca23ed67b22a2a40f2

20398440 as geometric shapes

Circle

Radius = n
Diameter 40796880
Circumference 128167178.49738
Area 1.3072052502741E+15

Sphere

Radius = n
Volume 3.5553263820535E+22
Surface area 5.2288210010964E+15
Circumference 128167178.49738

Square

Length = n
Perimeter 81593760
Area 416096354433600
Diagonal 28847750.499254

Cube

Length = n
Surface area 2496578126601600
Volume 8.4877165201325E+21
Space diagonal 35331134.475145

Equilateral Triangle

Length = n
Perimeter 61195320
Area 1.801750066808E+14
Altitude 17665567.237573

Triangular Pyramid

Length = n
Surface area 1.801750066808E+14
Volume 1.0002869846958E+21
Height 9615916.8330846