20188945 (number)

20188945 is an odd 8-digits composite number following 20188944 and preceding 20188946. In scientific notation, it is written as 2.0188945 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 13029120 positive integers (up to 20188945) that are relatively prime to 20188945.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-eight thousand nine hundred forty-five

Notation

Scientific notation 2.0188945 × 10^7
Engineering notation 2.0188945 × 10^6

Prime Factorization of 20188945

Prime Factorization 7 × 5 × 17 × 33931

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20188945
Product of the distinct prime numbers

The prime factorization of 20188945 is 7 × 5 × 17 × 33931. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 2, 71, 624, 808, 4553, 7953, 14424, 8637, 352783, 899409, 3571061, 4942973, 4970431, 42250270, 564624823, 480456934, 1241228296, 322437773

Basic calculations (n = 20188945)

Multiplication

n×y
n×2 40377890
n×3 60566835
n×4 80755780
n×5 100944725

Division

n÷y
n÷2 10094472.5
n÷3 6729648.3333333
n÷3 5047236.25
n÷5 4037789

Exponentiation

ny
n2 407593500213025
n3 8.2288827581582E+21
n4 1.6613246141591E+29
n5 3.3540391262403E+36

Nth Root

y√n
2√n 4493.2109899269
3√n 272.29387661311
4√n 67.031417931645
5√n 28.908311446232

Divisors of 20188945

1, 5, 7, 17, 35, 85, 119, 595, 33931, 169655, 237517, 576827, 1187585, 2884135, 4037789, 20188945

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 -20188944
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 20188945 can be divided by 16 positive divisors. The sum of these divisors (counting 20188945) is 1, the average is 0.0625.

Base conversion 20188945

Base System Value
2 Binary 1001101000000111100010001
3 Ternary 1101222201000201
4 Quaternary 1031000330101
5 Quinary 20132021240
6 Senary 2000415201
8 Octal 115007421
10 Decimal 20188945
12 Duodecimal 6917501
16 Hexadecimal 1340f11
20 Vigesimal 663c75
36 Base36 c0pw1

Cryptographic Hash Functions

md5 ece8b1102e528781056cb70e8071cfb9
sha1 15d41033221f8ddcd7608a75bd53f83977eda370
sha256 c2fe641165099dd70f1431e611e7a0e924a0d64198caf2835744783f1f509565
sha512 5559dd10cad67f68a653489a9e9329799975966edeb63c960e0a4d6f793e83f3a9614ef937238071ecbe3f505c4b7aefae2d295daa96648fa23ab44dad30f6e9
ripemd-160 aac53d3eade15c6b62e789b2478f1ada4699fb87

20188945 as geometric shapes

Circle

Radius = n
Diameter 40377890
Circumference 126850882.59146
Area 1.2804927459202E+15

Sphere

Radius = n
Volume 3.4469063493709E+22
Surface area 5.1219709836808E+15
Circumference 126850882.59146

Square

Length = n
Perimeter 80755780
Area 407593500213025
Diagonal 28551479.829004

Cube

Length = n
Surface area 2445561001278150
Volume 8.2288827581582E+21
Space diagonal 34968278.491214

Equilateral Triangle

Length = n
Perimeter 60566835
Area 1.7649316280095E+14
Altitude 17484139.245607

Triangular Pyramid

Length = n
Surface area 1.7649316280095E+14
Volume 9.6978313331379E+20
Height 9517159.9430015