20105990 (number)

20105990 is an even 8-digits composite number following 20105989 and preceding 20105991. In scientific notation, it is written as 2.0105990 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors. There are 7096320 positive integers (up to 20105990) that are relatively prime to 20105990.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand nine hundred ninety

Notation

Scientific notation 2.0105990 × 10^7
Engineering notation 2.0105990 × 10^6

Prime Factorization of 20105990

Prime Factorization 2 × 29 × 205 × 19 × 89

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20105990
Product of the distinct prime numbers

The prime factorization of 20105990 is 2 × 29 × 205 × 19 × 89. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105990)

Multiplication

n×y
n×2 40211980
n×3 60317970
n×4 80423960
n×5 100529950

Division

n÷y
n÷2 10052995
n÷3 6701996.6666667
n÷3 5026497.5
n÷5 4021198

Exponentiation

ny
n2 404250833880100
n3 8.127863223485E+21
n4 1.6341873669276E+29
n5 3.2856954857572E+36

Nth Root

y√n
2√n 4483.9703388849
3√n 271.92041897646
4√n 66.962454695784
5√n 28.884515847652

Divisors of 20105990

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 -20105989
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 20105990 can be divided by 32 positive divisors. The sum of these divisors (counting 20105990) is 1, the average is 0.03125.

Base conversion 20105990

Base System Value
2 Binary 1001100101100101100000110
3 Ternary 1101211111020022
4 Quaternary 1030230230012
5 Quinary 20121342430
6 Senary 1554535142
8 Octal 114545406
10 Decimal 20105990
12 Duodecimal 68974b2
16 Hexadecimal 132cb06
20 Vigesimal 65d4ja
36 Base36 byxvq

Cryptographic Hash Functions

md5 7f3b33dcb1188e4c3eb68c23bce8bf76
sha1 79e1d1570fa971e0b1f5974e784e1da4b337f638
sha256 fb2dcdad82f62cac5cc1074951dfeae7546483527d198173f5880a406751c1f4
sha512 a26904d6e8ee460bb999146f3df4dd5c5e1b774f69d68862fcce82cdc44f3c2de44179a21a4ae768b3f573fa589332d428056628820946a4f80b5f65e2d1c2bc
ripemd-160 363670771b3620896bf3cb2efc9ea8a2c236cd24

20105990 as geometric shapes

Circle

Radius = n
Diameter 40211980
Circumference 126329660.9543
Area 1.2699914499253E+15

Sphere

Radius = n
Volume 3.4045913856377E+22
Surface area 5.0799657997011E+15
Circumference 126329660.9543

Square

Length = n
Perimeter 80423960
Area 404250833880100
Diagonal 28434163.742938

Cube

Length = n
Surface area 2425505003280600
Volume 8.127863223485E+21
Space diagonal 34824596.216472

Equilateral Triangle

Length = n
Perimeter 60317970
Area 1.750457458206E+14
Altitude 17412298.108236

Triangular Pyramid

Length = n
Surface area 1.750457458206E+14
Volume 9.5787786698049E+20
Height 9478054.5809793