20129870 (number)

20129870 is an even 8-digits composite number following 20129869 and preceding 20129871. In scientific notation, it is written as 2.0129870 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 7578240 positive integers (up to 20129870) that are relatively prime to 20129870.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-nine thousand eight hundred seventy

Notation

Scientific notation 2.0129870 × 10^7
Engineering notation 2.0129870 × 10^6

Prime Factorization of 20129870

Prime Factorization 2 × 5 × 17 × 118411

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20129870
Product of the distinct prime numbers

The prime factorization of 20129870 is 2 × 5 × 17 × 118411. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 42, 61, 156, 867, 8318, 3904, 83810, 35786, 856378, 301549, 3187690, 593195, 7985712, 4061755, 616608341, 745992250, 9852649145, 6497790131

Basic calculations (n = 20129870)

Multiplication

n×y
n×2 40259740
n×3 60389610
n×4 80519480
n×5 100649350

Division

n÷y
n÷2 10064935
n÷3 6709956.6666667
n÷3 5032467.5
n÷5 4025974

Exponentiation

ny
n2 405211666216900
n3 8.1568581634296E+21
n4 1.6419649443828E+29
n5 3.3052540874982E+36

Nth Root

y√n
2√n 4486.6323673776
3√n 272.02803019956
4√n 66.982328769442
5√n 28.89137385144

Divisors of 20129870

1, 2, 5, 10, 17, 34, 85, 170, 118411, 236822, 592055, 1184110, 2012987, 4025974, 10064935, 20129870

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 -20129869
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 20129870 can be divided by 16 positive divisors. The sum of these divisors (counting 20129870) is 1, the average is 0.0625.

Base conversion 20129870

Base System Value
2 Binary 1001100110010100001001110
3 Ternary 1101212200222202
4 Quaternary 1030302201032
5 Quinary 20123123440
6 Senary 1555241502
8 Octal 114624116
10 Decimal 20129870
12 Duodecimal 68a9292
16 Hexadecimal 133284e
20 Vigesimal 65g4da
36 Base36 bzgb2

Cryptographic Hash Functions

md5 29dd75f29ad623c085f85f46fabc892c
sha1 0825c04be46fa83f4d649a68c9450beccf9ca16e
sha256 67b2a2d1f96d465232b0f623d1e2834fc339423319a0ee93b4e311f4ee1f7ff7
sha512 f2eff1846b1b19dc9de0a82810d706e0155f098e9230d4a22f7ba290658d17338824b4604837af1b950644713056722920a5aa28deb36f7fdb4108df1d7115da
ripemd-160 0cc83d253bd7b4c0240edda28671b39989e433d1

20129870 as geometric shapes

Circle

Radius = n
Diameter 40259740
Circumference 126479703.41944
Area 1.2730099937359E+15

Sphere

Radius = n
Volume 3.4167367576806E+22
Surface area 5.0920399749436E+15
Circumference 126479703.41944

Square

Length = n
Perimeter 80519480
Area 405211666216900
Diagonal 28467935.162807

Cube

Length = n
Surface area 2431269997301400
Volume 8.1568581634296E+21
Space diagonal 34865957.589757

Equilateral Triangle

Length = n
Perimeter 60389610
Area 1.7546179842683E+14
Altitude 17432978.794878

Triangular Pyramid

Length = n
Surface area 1.7546179842683E+14
Volume 9.6129495342299E+20
Height 9489311.7209358