20145994 (number)

20145994 is an even 8-digits composite number following 20145993 and preceding 20145995. In scientific notation, it is written as 2.0145994 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 9157260 positive integers (up to 20145994) that are relatively prime to 20145994.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand nine hundred ninety-four

Notation

Scientific notation 2.0145994 × 10^7
Engineering notation 2.0145994 × 10^6

Prime Factorization of 20145994

Prime Factorization 2 × 11 × 915727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145994
Product of the distinct prime numbers

The prime factorization of 20145994 is 2 × 11 × 915727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145994)

Multiplication

n×y
n×2 40291988
n×3 60437982
n×4 80583976
n×5 100729970

Division

n÷y
n÷2 10072997
n÷3 6715331.3333333
n÷3 5036498.5
n÷5 4029198.8

Exponentiation

ny
n2 405861074248036
n3 8.1764747666345E+21
n4 1.6472321158977E+29
n5 3.3185128323482E+36

Nth Root

y√n
2√n 4488.4289010744
3√n 272.10064218317
4√n 66.995737932158
5√n 28.896000759884

Divisors of 20145994

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145993
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145994 can be divided by 8 positive divisors. The sum of these divisors (counting 20145994) is 1, the average is 0.125.

Base conversion 20145994

Base System Value
2 Binary 1001100110110011101001010
3 Ternary 1101220112002221
4 Quaternary 1030312131022
5 Quinary 20124132434
6 Senary 1555444254
8 Octal 114663512
10 Decimal 20145994
12 Duodecimal 68b668a
16 Hexadecimal 133674a
20 Vigesimal 65i4je
36 Base36 bzsqy

Cryptographic Hash Functions

md5 f46d51b9197afd8cabc0dddba85c95de
sha1 1c7d642dac4057e1a4b21cd3bf383824fce2af1a
sha256 6c94e8613de22f4b0b8b3f05b311d6fb894da2a2bb2ed4e448cd1730a734073b
sha512 0afd185a5118e0bd4cb5e2fd42e4ee6e2f6d8f95f25605940faf9fd284be5666eaabd96527d1422d266b3fa24af959502c97afaf45b961ae9c4a57117f437e4b
ripemd-160 76cb39e3e94dc76f644fdc158e31eb549acb3da3

20145994 as geometric shapes

Circle

Radius = n
Diameter 40291988
Circumference 126581013.49933
Area 1.2750501692357E+15

Sphere

Radius = n
Volume 3.4249537412162E+22
Surface area 5.1002006769428E+15
Circumference 126581013.49933

Square

Length = n
Perimeter 80583976
Area 405861074248036
Diagonal 28490737.942287

Cube

Length = n
Surface area 2435166445488216
Volume 8.1764747666345E+21
Space diagonal 34893885.176978

Equilateral Triangle

Length = n
Perimeter 60437982
Area 1.7574300035302E+14
Altitude 17446942.588489

Triangular Pyramid

Length = n
Surface area 1.7574300035302E+14
Volume 9.6360679228132E+20
Height 9496912.647429