20999745 (number)

20999745 is an odd 8-digits composite number following 20999744 and preceding 20999746. In scientific notation, it is written as 2.0999745 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 10338048 positive integers (up to 20999745) that are relatively prime to 20999745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0999745 × 10^7
Engineering notation 2.0999745 × 10^6

Prime Factorization of 20999745

Prime Factorization 3 × 39 × 5 × 35897

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20999745
Product of the distinct prime numbers

The prime factorization of 20999745 is 3 × 39 × 5 × 35897. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 48, 2, 360, 924, 4966, 5306, 78733, 27887, 418881, 951319, 3272642, 3433258, 22222617, 59754432, 365271470, 115809859, 8314829738, 700783110

Basic calculations (n = 20999745)

Multiplication

n×y
n×2 41999490
n×3 62999235
n×4 83998980
n×5 104998725

Division

n÷y
n÷2 10499872.5
n÷3 6999915
n÷3 5249936.25
n÷5 4199949

Exponentiation

ny
n2 440989290065025
n3 9.2606626390966E+21
n4 1.9447155395205E+29
n5 4.0838530427469E+36

Nth Root

y√n
2√n 4582.5478720904
3√n 275.89130092619
4√n 67.694518774347
5√n 29.136863824291

Divisors of 20999745

1, 3, 5, 15, 39, 117, 195, 585, 35897, 107691, 179485, 538455, 1399983, 4199949, 6999915, 20999745

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 -20999744
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 20999745 can be divided by 16 positive divisors. The sum of these divisors (counting 20999745) is 1, the average is 0.0625.

Base conversion 20999745

Base System Value
2 Binary 1010000000110111001000001
3 Ternary 1110111220020100
4 Quaternary 1100012321001
5 Quinary 20333442440
6 Senary 2030033013
8 Octal 120067101
10 Decimal 20999745
12 Duodecimal 7048769
16 Hexadecimal 1406e41
20 Vigesimal 6b4j75
36 Base36 ci3i9

Cryptographic Hash Functions

md5 dbbdcb7718fdec59f1cd8d0ae80506cb
sha1 0cca852b5616da60a2e1c17b116cfc67e5f351ed
sha256 2725db27c938475a35dc044b10dc2c5864ba67fbea394e1305b54c50c78f1bad
sha512 c3e9c373de61862a2ebbb9a8b9a35a6e3af02beb72c211f91a27c14857902b61d124d1a8a99c6241a1c24e0be0ab9ab368f2dc5f57f867d28b5d99c7611466ef
ripemd-160 9d97ba21ff9bca0efb9fd1d119d65bd120f630ae

20999745 as geometric shapes

Circle

Radius = n
Diameter 41999490
Circumference 131945289.23852
Area 1.3854087139801E+15

Sphere

Radius = n
Volume 3.8790972952479E+22
Surface area 5.5416348559202E+15
Circumference 131945289.23852

Square

Length = n
Perimeter 83998980
Area 440989290065025
Diagonal 29698124.185377

Cube

Length = n
Surface area 2645935740390150
Volume 9.2606626390966E+21
Space diagonal 36372625.28599

Equilateral Triangle

Length = n
Perimeter 62999235
Area 1.9095396399659E+14
Altitude 18186312.642995

Triangular Pyramid

Length = n
Surface area 1.9095396399659E+14
Volume 1.0913795583977E+21
Height 9899374.7284589