20739985 (number)

20739985 is an odd 8-digits composite number following 20739984 and preceding 20739986. In scientific notation, it is written as 2.0739985 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 14221536 positive integers (up to 20739985) that are relatively prime to 20739985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0739985 × 10^7
Engineering notation 2.0739985 × 10^6

Prime Factorization of 20739985

Prime Factorization 7 × 5 × 7 × 84653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2962855
Product of the distinct prime numbers

The prime factorization of 20739985 is 7 × 5 × 7 × 84653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 22, 43, 776, 232, 545, 6453, 79620, 67746, 944513, 922267, 7254625, 2208865, 56511508, 49582440, 330054239, 843417625, 7698030776, 693486678

Basic calculations (n = 20739985)

Multiplication

n×y
n×2 41479970
n×3 62219955
n×4 82959940
n×5 103699925

Division

n÷y
n÷2 10369992.5
n÷3 6913328.3333333
n÷3 5184996.25
n÷5 4147997

Exponentiation

ny
n2 430146977800225
n3 8.921241867372E+21
n4 1.8502642251067E+29
n5 3.8374452274749E+36

Nth Root

y√n
2√n 4554.1173678332
3√n 274.74901618375
4√n 67.48420087571
5√n 29.064421796865

Divisors of 20739985

1, 5, 7, 35, 49, 245, 84653, 423265, 592571, 2962855, 4147997, 20739985

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20739984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20739985 can be divided by 12 positive divisors. The sum of these divisors (counting 20739985) is 1, the average is 0.083333333333333.

Base conversion 20739985

Base System Value
2 Binary 1001111000111011110010001
3 Ternary 1110000200220121
4 Quaternary 1033013132101
5 Quinary 20302134420
6 Senary 2020310241
8 Octal 117073621
10 Decimal 20739985
12 Duodecimal 6b42381
16 Hexadecimal 13c7791
20 Vigesimal 69c9j5
36 Base36 ccj2p

Cryptographic Hash Functions

md5 d9dc5d14fd5d0c9ae03ea929068154ce
sha1 228237591eb1dc8220c89ac4ccbd637383390844
sha256 8b38e3e258c14a6f55676684228f2356decb2c6f03f2c529837b905f0163a4d0
sha512 83da72839bbf09271d1e2de75563ce6f838f6da1978c900170b4388bc5f82b82087824d6a36551d69253fbe9f050a94e61f212ea55533f1feaed1d7515349d8b
ripemd-160 8988ace6af41c18cef5f0741a3cd86bd4ec0cd1e

20739985 as geometric shapes

Circle

Radius = n
Diameter 41479970
Circumference 130313169.02313
Area 1.351346585421E+15

Sphere

Radius = n
Volume 3.7369210548578E+22
Surface area 5.4053863416842E+15
Circumference 130313169.02313

Square

Length = n
Perimeter 82959940
Area 430146977800225
Diagonal 29330768.070415

Cube

Length = n
Surface area 2580881866801350
Volume 8.921241867372E+21
Space diagonal 35922707.768216

Equilateral Triangle

Length = n
Perimeter 62219955
Area 1.8625910506805E+14
Altitude 17961353.884108

Triangular Pyramid

Length = n
Surface area 1.8625910506805E+14
Volume 1.0513784368373E+21
Height 9776922.6901382