20787975 (number)

20787975 is an odd 8-digits composite number following 20787974 and preceding 20787976. In scientific notation, it is written as 2.0787975 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 9694080 positive integers (up to 20787975) that are relatively prime to 20787975.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand nine hundred seventy-five

Notation

Scientific notation 2.0787975 × 10^7
Engineering notation 2.0787975 × 10^6

Prime Factorization of 20787975

Prime Factorization 45 × 15 × 23 × 13 × 103

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20787975
Product of the distinct prime numbers

The prime factorization of 20787975 is 45 × 15 × 23 × 13 × 103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 25, 52, 23, 518, 6392, 3149, 1096, 38204, 569409, 132734, 2028284, 9537912, 40578921, 67080403, 265322671, 605310503, 865011862, 3924733008

Basic calculations (n = 20787975)

Multiplication

n×y
n×2 41575950
n×3 62363925
n×4 83151900
n×5 103939875

Division

n÷y
n÷2 10393987.5
n÷3 6929325
n÷3 5196993.75
n÷5 4157595

Exponentiation

ny
n2 432139904600625
n3 8.9833135333402E+21
n4 1.8674489714824E+29
n5 3.8820482532951E+36

Nth Root

y√n
2√n 4559.3831819666
3√n 274.96076575258
4√n 67.523204766707
5√n 29.077859727756

Divisors of 20787975

1, 13, 15, 23, 45, 103, 195, 299, 345, 585, 675, 1035, 1339, 1545, 2369, 4485, 4635, 8775, 13455, 15525, 20085, 30797, 35535, 60255, 69525, 106605, 201825, 461955, 903825, 1385865, 1599075, 20787975

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20787974
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20787975 can be divided by 32 positive divisors. The sum of these divisors (counting 20787975) is 1, the average is 0.03125.

Base conversion 20787975

Base System Value
2 Binary 1001111010011001100000111
3 Ternary 1110010010202000
4 Quaternary 1033103030013
5 Quinary 20310203400
6 Senary 2021320343
8 Octal 117231407
10 Decimal 20787975
12 Duodecimal 6b660b3
16 Hexadecimal 13d3307
20 Vigesimal 69i9if
36 Base36 cdk3r

Cryptographic Hash Functions

md5 a544c394d3307accc3ecd2add441e3e5
sha1 a846e12e6f9c9fdd9b8543a2785b215b19ccdb8d
sha256 6f89795b8892f21bc19932b1721b53ac1ab35e79d4eadfb0c2168857a2496391
sha512 5bf018754273cc0bf65b51d65ca032124b55fce490d67800785dc2cfc0226d137a92c2292945ce3e1f2510c4bc7ebcfc671bdd8a686b05be6a4c56e4c8f92718
ripemd-160 49a923d8f912831b49affc2a206d1240ebafba47

20787975 as geometric shapes

Circle

Radius = n
Diameter 41575950
Circumference 130614699.08602
Area 1.3576075496163E+15

Sphere

Radius = n
Volume 3.762921573498E+22
Surface area 5.4304301984653E+15
Circumference 130614699.08602

Square

Length = n
Perimeter 83151900
Area 432139904600625
Diagonal 29398636.179273

Cube

Length = n
Surface area 2592839427603750
Volume 8.9833135333402E+21
Space diagonal 36005828.886472

Equilateral Triangle

Length = n
Perimeter 62363925
Area 1.8712206768656E+14
Altitude 18002914.443236

Triangular Pyramid

Length = n
Surface area 1.8712206768656E+14
Volume 1.058693652825E+21
Height 9799545.3930909