20006945 (number)

20006945 is an odd 8-digits composite number following 20006944 and preceding 20006946. In scientific notation, it is written as 2.0006945 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 13589856 positive integers (up to 20006945) that are relatively prime to 20006945.

Interesting facts

Basic properties

Name

Name twenty million six thousand nine hundred forty-five

Notation

Scientific notation 2.0006945 × 10^7
Engineering notation 2.0006945 × 10^6

Prime Factorization of 20006945

Prime Factorization 7 × 5 × 889 × 643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20006945
Product of the distinct prime numbers

The prime factorization of 20006945 is 7 × 5 × 889 × 643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 3, 47, 777, 440, 5977, 7736, 45399, 41395, 841676, 244049, 1886124, 6726395, 5583626, 86356808, 19914656, 536687746, 9858483616, 1876203137

Basic calculations (n = 20006945)

Multiplication

n×y
n×2 40013890
n×3 60020835
n×4 80027780
n×5 100034725

Division

n÷y
n÷2 10003472.5
n÷3 6668981.6666667
n÷3 5001736.25
n÷5 4001389

Exponentiation

ny
n2 400277848233025
n3 8.0083368943165E+21
n4 1.6022235578606E+29
n5 3.2055598599821E+36

Nth Root

y√n
2√n 4472.9123622088
3√n 271.47317740731
4√n 66.879835243583
5√n 28.856001750028

Divisors of 20006945

1, 5, 7, 35, 643, 889, 3215, 4445, 4501, 6223, 22505, 31115, 571627, 2858135, 4001389, 20006945

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 -20006944
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 20006945 can be divided by 16 positive divisors. The sum of these divisors (counting 20006945) is 1, the average is 0.0625.

Base conversion 20006945

Base System Value
2 Binary 1001100010100100000100001
3 Ternary 1101122110100222
4 Quaternary 1030110200201
5 Quinary 20110210240
6 Senary 1552452425
8 Octal 114244041
10 Decimal 20006945
12 Duodecimal 684a115
16 Hexadecimal 1314821
20 Vigesimal 650h75
36 Base36 bwtgh

Cryptographic Hash Functions

md5 b3db6acee0ba1f1bc33b4c4c12c2de2f
sha1 dfa03901554d6b8d3aa3d23d6005cf274673bb47
sha256 2be46bd79568f24f6f00e81ea8197c621344bd4f427c3ef66abf4de4ba40cceb
sha512 c20bdc51b1a5423b8d02e6e94fad124045de3cdff113e41f2b15a73dabb7bebe404fdb676ae20a97ff8cd512bb3db803b9b9356fcaa5d13d95c97d8d9f6d9f23
ripemd-160 bfbf52ee0a2368118f552ff033d5efef18ba5ee9

20006945 as geometric shapes

Circle

Radius = n
Diameter 40013890
Circumference 125707342.86555
Area 1.2575099474036E+15

Sphere

Radius = n
Volume 3.3545243139542E+22
Surface area 5.0300397896144E+15
Circumference 125707342.86555

Square

Length = n
Perimeter 80027780
Area 400277848233025
Diagonal 28294092.960653

Cube

Length = n
Surface area 2401667089398150
Volume 8.0083368943165E+21
Space diagonal 34653045.244236

Equilateral Triangle

Length = n
Perimeter 60020835
Area 1.7332539257099E+14
Altitude 17326522.622118

Triangular Pyramid

Length = n
Surface area 1.7332539257099E+14
Volume 9.437915539996E+20
Height 9431364.3202175