20207985 (number)

20207985 is an odd 8-digits composite number following 20207984 and preceding 20207986. In scientific notation, it is written as 2.0207985 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 8693760 positive integers (up to 20207985) that are relatively prime to 20207985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0207985 × 10^7
Engineering notation 2.0207985 × 10^6

Prime Factorization of 20207985

Prime Factorization 3 × 35 × 17 × 11321

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20207985
Product of the distinct prime numbers

The prime factorization of 20207985 is 3 × 35 × 17 × 11321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 88, 19, 752, 133, 9376, 6690, 43393, 65941, 251531, 232074, 851067, 3981840, 27040712, 88257801, 266824481, 397917643, 3198221726, 7127439722

Basic calculations (n = 20207985)

Multiplication

n×y
n×2 40415970
n×3 60623955
n×4 80831940
n×5 101039925

Division

n÷y
n÷2 10103992.5
n÷3 6735995
n÷3 5051996.25
n÷5 4041597

Exponentiation

ny
n2 408362657760225
n3 8.2521864625788E+21
n4 1.6676006025299E+29
n5 3.3698847961916E+36

Nth Root

y√n
2√n 4495.3292426696
3√n 272.37944896396
4√n 67.047216516941
5√n 28.913762020605

Divisors of 20207985

1, 3, 17, 35, 51, 105, 595, 1785, 11321, 33963, 192457, 396235, 577371, 1188705, 6735995, 20207985

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 -20207984
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 20207985 can be divided by 16 positive divisors. The sum of these divisors (counting 20207985) is 1, the average is 0.0625.

Base conversion 20207985

Base System Value
2 Binary 1001101000101100101110001
3 Ternary 1102000200010220
4 Quaternary 1031011211301
5 Quinary 20133123420
6 Senary 2001043253
8 Octal 115054561
10 Decimal 20207985
12 Duodecimal 6926529
16 Hexadecimal 1345971
20 Vigesimal 665jj5
36 Base36 c14kx

Cryptographic Hash Functions

md5 3528bd8a1e1efbad32dc5eb8cb3f36a7
sha1 ac5ca48f2602f1d3c08e5d704c6f0b07316d0fed
sha256 1105e15f3df8274a7941855a1bd6c115e562017c781e176df37512a0cc38ef5d
sha512 77d8305d69d57908daaea5657058573b875b0ead0650c5296d3910e8d5da4cc51eb4fd6b3b098400590ca1ad68d33d4721a2708b13bfe2a63e68e1847c8544ce
ripemd-160 e0c2242fa12c58ba8c7d00f2e6aee98ae64a6170

20207985 as geometric shapes

Circle

Radius = n
Diameter 40415970
Circumference 126970514.43971
Area 1.2829091256199E+15

Sphere

Radius = n
Volume 3.4566677822521E+22
Surface area 5.1316365024797E+15
Circumference 126970514.43971

Square

Length = n
Perimeter 80831940
Area 408362657760225
Diagonal 28578406.455232

Cube

Length = n
Surface area 2450175946561350
Volume 8.2521864625788E+21
Space diagonal 35001256.73859

Equilateral Triangle

Length = n
Perimeter 60623955
Area 1.7682621778864E+14
Altitude 17500628.369295

Triangular Pyramid

Length = n
Surface area 1.7682621778864E+14
Volume 9.7252950121754E+20
Height 9526135.4850774