20149745 (number)

20149745 is an odd 8-digits composite number following 20149744 and preceding 20149746. In scientific notation, it is written as 2.0149745 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 12450240 positive integers (up to 20149745) that are relatively prime to 20149745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0149745 × 10^7
Engineering notation 2.0149745 × 10^6

Prime Factorization of 20149745

Prime Factorization 35 × 11 × 199 × 263

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20149745
Product of the distinct prime numbers

The prime factorization of 20149745 is 35 × 11 × 199 × 263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 18, 78, 890, 17, 8014, 6068, 91603, 9459, 844947, 857212, 1141969, 9419902, 26105126, 77487851, 187479978, 300658938, 1126419469, 1051762941

Basic calculations (n = 20149745)

Multiplication

n×y
n×2 40299490
n×3 60449235
n×4 80598980
n×5 100748725

Division

n÷y
n÷2 10074872.5
n÷3 6716581.6666667
n÷3 5037436.25
n÷5 4029949

Exponentiation

ny
n2 406012223565025
n3 8.1810427717182E+21
n4 1.6484592568422E+29
n5 3.3216033668259E+36

Nth Root

y√n
2√n 4488.8467338505
3√n 272.11752868627
4√n 66.998856213002
5√n 28.897076714015

Divisors of 20149745

1, 11, 35, 199, 263, 385, 2189, 2893, 6965, 9205, 52337, 76615, 101255, 575707, 1831795, 20149745

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 -20149744
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 20149745 can be divided by 16 positive divisors. The sum of these divisors (counting 20149745) is 1, the average is 0.0625.

Base conversion 20149745

Base System Value
2 Binary 1001100110111010111110001
3 Ternary 1101220201020212
4 Quaternary 1030313113301
5 Quinary 20124242440
6 Senary 1555513505
8 Octal 114672761
10 Decimal 20149745
12 Duodecimal 68b8895
16 Hexadecimal 13375f1
20 Vigesimal 65ie75
36 Base36 bzvn5

Cryptographic Hash Functions

md5 76e0fa753f0592e70b084ebf7d1ddaa4
sha1 1995b3da808866d463fe4b796046bdcecb66ecc6
sha256 38b8b6583f153e3c030adbe66f4a1620df98aa615ba68c1c2e759036f49130a2
sha512 de3574d2621abe085b5718e6ea5991622f51d0aef3e565b3db665acd664d414c1ed4d7abbacfe10c473896edfa17d29057fcefea4f07658bdcade5b40a524573
ripemd-160 4e61daba5897612ed223e79249bf2cbb70874f3c

20149745 as geometric shapes

Circle

Radius = n
Diameter 40299490
Circumference 126604581.72742
Area 1.2755250188195E+15

Sphere

Radius = n
Volume 3.4268671827112E+22
Surface area 5.1021000752782E+15
Circumference 126604581.72742

Square

Length = n
Perimeter 80598980
Area 406012223565025
Diagonal 28496042.657359

Cube

Length = n
Surface area 2436073341390150
Volume 8.1810427717182E+21
Space diagonal 34900382.099557

Equilateral Triangle

Length = n
Perimeter 60449235
Area 1.7580844992716E+14
Altitude 17450191.049778

Triangular Pyramid

Length = n
Surface area 1.7580844992716E+14
Volume 9.6414513684319E+20
Height 9498680.8857865