20145998 (number)

20145998 is an even 8-digits composite number following 20145997 and preceding 20145999. In scientific notation, it is written as 2.0145998 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10072998 positive integers (up to 20145998) that are relatively prime to 20145998.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145998 × 10^7
Engineering notation 2.0145998 × 10^6

Prime Factorization of 20145998

Prime Factorization 2 × 10072999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145998
Product of the distinct prime numbers

The prime factorization of 20145998 is 2 × 10072999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145998)

Multiplication

n×y
n×2 40291996
n×3 60437994
n×4 80583992
n×5 100729990

Division

n÷y
n÷2 10072999
n÷3 6715332.6666667
n÷3 5036499.5
n÷5 4029199.6

Exponentiation

ny
n2 405861235416004
n3 8.1764796369683E+21
n4 1.6472334241341E+29
n5 3.3185161268138E+36

Nth Root

y√n
2√n 4488.4293466646
3√n 272.10066019176
4√n 66.995741257669
5√n 28.896001907348

Divisors of 20145998

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145997
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145998 can be divided by 4 positive divisors. The sum of these divisors (counting 20145998) is 1, the average is 0.25.

Base conversion 20145998

Base System Value
2 Binary 1001100110110011101001110
3 Ternary 1101220112010002
4 Quaternary 1030312131032
5 Quinary 20124132443
6 Senary 1555444302
8 Octal 114663516
10 Decimal 20145998
12 Duodecimal 68b6692
16 Hexadecimal 133674e
20 Vigesimal 65i4ji
36 Base36 bzsr2

Cryptographic Hash Functions

md5 725d2139e3321425efdbdedf7a2264f4
sha1 1a6465a969eb91e91cd35aecef9ed3f03723d4c9
sha256 71a4bf9bc1bf9ee6cf4e6f4eb4839e92c88b503a6304af516e4658dd51258e2e
sha512 06f3c2da60f5609fea48b1785001c04508a5c5522b6751fc8175ad3b88b86049abed83d05b9cde86eac2bb1e9fc98756015423b12b6815e421f0a436b5375cd9
ripemd-160 8c718d6d4d920af2927f5451a85a539a94973909

20145998 as geometric shapes

Circle

Radius = n
Diameter 40291996
Circumference 126581038.63207
Area 1.2750506755598E+15

Sphere

Radius = n
Volume 3.4249557812968E+22
Surface area 5.1002027022392E+15
Circumference 126581038.63207

Square

Length = n
Perimeter 80583992
Area 405861235416004
Diagonal 28490743.599141

Cube

Length = n
Surface area 2435167412496024
Volume 8.1764796369683E+21
Space diagonal 34893892.105181

Equilateral Triangle

Length = n
Perimeter 60437994
Area 1.757430701408E+14
Altitude 17446946.05259

Triangular Pyramid

Length = n
Surface area 1.757430701408E+14
Volume 9.6360736625567E+20
Height 9496914.5330471