20347985 (number)

20347985 is an odd 8-digits composite number following 20347984 and preceding 20347986. In scientific notation, it is written as 2.0347985 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 13261248 positive integers (up to 20347985) that are relatively prime to 20347985.

Interesting facts

Basic properties

Name

Name twenty million three hundred forty-seven thousand nine hundred eighty-five

Notation

Scientific notation 2.0347985 × 10^7
Engineering notation 2.0347985 × 10^6

Prime Factorization of 20347985

Prime Factorization 805 × 23 × 7 × 157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20347985
Product of the distinct prime numbers

The prime factorization of 20347985 is 805 × 23 × 7 × 157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 33, 49, 735, 30, 7688, 9834, 18563, 44764, 141796, 236582, 2673523, 7094720, 51184088, 54239026, 661174413, 703808442, 6839794354, 9811106518

Basic calculations (n = 20347985)

Multiplication

n×y
n×2 40695970
n×3 61043955
n×4 81391940
n×5 101739925

Division

n÷y
n÷2 10173992.5
n÷3 6782661.6666667
n÷3 5086996.25
n÷5 4069597

Exponentiation

ny
n2 414040493560225
n3 8.4248897523561E+21
n4 1.7142953030759E+29
n5 3.488245511256E+36

Nth Root

y√n
2√n 4510.8740838113
3√n 273.00701274995
4√n 67.163041055414
5√n 28.953714104358

Divisors of 20347985

1, 7, 23, 157, 161, 805, 1099, 3611, 5635, 18515, 25277, 126385, 129605, 884695, 2906855, 20347985

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 -20347984
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 20347985 can be divided by 16 positive divisors. The sum of these divisors (counting 20347985) is 1, the average is 0.0625.

Base conversion 20347985

Base System Value
2 Binary 1001101100111110001010001
3 Ternary 1102021210012002
4 Quaternary 1031213301101
5 Quinary 20202113420
6 Senary 2004043345
8 Octal 115476121
10 Decimal 20347985
12 Duodecimal 6993555
16 Hexadecimal 1367c51
20 Vigesimal 6739j5
36 Base36 c44lt

Cryptographic Hash Functions

md5 32afa341a21054125cdff3fd0d34e5ae
sha1 16283b1f032c30e15c6ee74c55f7520102cf4c7b
sha256 e7001c1be7c2989bbe0d7afe701b5811256256ad2471b5d2bd915c52d4511b0c
sha512 5be12c91a71ef234abf73d147b57eb7af8bcb40ffee70fec5f8e74380822c2f31b735e83f3367de03ef0c7279d9567bcd3390910b11db0d7fd6c645272c57fd4
ripemd-160 776af3d9345fc8e939c807a0e06ba34bf5dc6536

20347985 as geometric shapes

Circle

Radius = n
Diameter 40695970
Circumference 127850160.38271
Area 1.3007465728575E+15

Sphere

Radius = n
Volume 3.5290095671074E+22
Surface area 5.20298629143E+15
Circumference 127850160.38271

Square

Length = n
Perimeter 81391940
Area 414040493560225
Diagonal 28776396.353964

Cube

Length = n
Surface area 2484242961361350
Volume 8.4248897523561E+21
Space diagonal 35243743.851649

Equilateral Triangle

Length = n
Perimeter 61043955
Area 1.792847928093E+14
Altitude 17621871.925825

Triangular Pyramid

Length = n
Surface area 1.792847928093E+14
Volume 9.9288277910667E+20
Height 9592132.1179881