20149731 (number)

20149731 is an odd 8-digits composite number following 20149730 and preceding 20149732. In scientific notation, it is written as 2.0149731 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 11513880 positive integers (up to 20149731) that are relatively prime to 20149731.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand seven hundred thirty-one

Notation

Scientific notation 2.0149731 × 10^7
Engineering notation 2.0149731 × 10^6

Prime Factorization of 20149731

Prime Factorization 441 × 45691

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20149731
Product of the distinct prime numbers

The prime factorization of 20149731 is 441 × 45691. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 39, 12, 35, 315, 1739, 5494, 48524, 41154, 451406, 830200, 3412, 2166538, 36272745, 72590040, 75695607, 389509910, 7123496021, 7534528616

Basic calculations (n = 20149731)

Multiplication

n×y
n×2 40299462
n×3 60449193
n×4 80598924
n×5 100748655

Division

n÷y
n÷2 10074865.5
n÷3 6716577
n÷3 5037432.75
n÷5 4029946.2

Exponentiation

ny
n2 406011659372361
n3 8.1810257192167E+21
n4 1.648454675463E+29
n5 3.3215918276271E+36

Nth Root

y√n
2√n 4488.8451744296
3√n 272.11746566403
4√n 66.998844575333
5√n 28.897072698488

Divisors of 20149731

1, 441, 45691, 20149731

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20149730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20149731 can be divided by 4 positive divisors. The sum of these divisors (counting 20149731) is 1, the average is 0.25.

Base conversion 20149731

Base System Value
2 Binary 1001100110111010111100011
3 Ternary 1101220201020100
4 Quaternary 1030313113203
5 Quinary 20124242411
6 Senary 1555513443
8 Octal 114672743
10 Decimal 20149731
12 Duodecimal 68b8883
16 Hexadecimal 13375e3
20 Vigesimal 65ie6b
36 Base36 bzvmr

Cryptographic Hash Functions

md5 c49477c183709337d56ae37560f05935
sha1 8058dcfad6204717c88a751891668cde908a2dff
sha256 4831760f40ed7832387a4703a923e150c838657bf34e9d7e0038cf0fff71f609
sha512 5e84a8572740fa59acf74eb1b661eea46ca10418eb4cd399425d867b6e416f72dc9b7a706b47fe21289ad911270bad2e6c4051a6d80f053f9d98261067039d72
ripemd-160 f49c7ccf4e31d30d2bdb4e865900f01eba40f504

20149731 as geometric shapes

Circle

Radius = n
Diameter 40299462
Circumference 126604493.76282
Area 1.275523246356E+15

Sphere

Radius = n
Volume 3.426860039776E+22
Surface area 5.102092985424E+15
Circumference 126604493.76282

Square

Length = n
Perimeter 80598924
Area 406011659372361
Diagonal 28496022.85837

Cube

Length = n
Surface area 2436069956234166
Volume 8.1810257192167E+21
Space diagonal 34900357.850846

Equilateral Triangle

Length = n
Perimeter 60449193
Area 1.7580820562457E+14
Altitude 17450178.925423

Triangular Pyramid

Length = n
Surface area 1.7580820562457E+14
Volume 9.6414312718661E+20
Height 9498674.2861232