19998157 (number)

19998157 is an odd 8-digits composite number following 19998156 and preceding 19998158. In scientific notation, it is written as 1.9998157 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 19912096 positive integers (up to 19998157) that are relatively prime to 19998157.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-eight thousand one hundred fifty-seven

Notation

Scientific notation 1.9998157 × 10^7
Engineering notation 1.9998157 × 10^6

Prime Factorization of 19998157

Prime Factorization 233 × 85829

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19998157
Product of the distinct prime numbers

The prime factorization of 19998157 is 233 × 85829. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19998157)

Multiplication

n×y
n×2 39996314
n×3 59994471
n×4 79992628
n×5 99990785

Division

n÷y
n÷2 9999078.5
n÷3 6666052.3333333
n÷3 4999539.25
n÷5 3999631.4

Exponentiation

ny
n2 399926283396649
n3 7.9977886037927E+21
n4 1.5994103215146E+29
n5 3.1985258717069E+36

Nth Root

y√n
2√n 4471.9298965883
3√n 271.43342361726
4√n 66.872489833924
5√n 28.853466319356

Divisors of 19998157

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 -19998156
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 19998157 can be divided by 4 positive divisors. The sum of these divisors (counting 19998157) is 1, the average is 0.25.

Base conversion 19998157

Base System Value
2 Binary 1001100010010010111001101
3 Ternary 1101122000022111
4 Quaternary 1030102113031
5 Quinary 20104420112
6 Senary 1552344021
8 Octal 114222715
10 Decimal 19998157
12 Duodecimal 6845011
16 Hexadecimal 13125cd
20 Vigesimal 64jf7h
36 Base36 bwmod

Cryptographic Hash Functions

md5 101eea52175f9e2e165a684a35a6ef6c
sha1 9c0800b82993a96e1050828cf987b679dcad43f7
sha256 c96e202ebf8f27132ac5cc2efceff0e6cd33bbec1f790c4431d087c0531fcfbd
sha512 fc0efc7077d82762aa327cab000c01c538e3f5a00781527563e52e3194e6984e90a29340e07dfd5479bf23d037813f38720e7a6a3f7ea6f1a15a9dc8c6f1990f
ripemd-160 dd2b64ae4dfe43a25dbc3aa2bdb3502578e26230

19998157 as geometric shapes

Circle

Radius = n
Diameter 39996314
Circumference 125652126.23307
Area 1.2564054738964E+15

Sphere

Radius = n
Volume 3.3501058563519E+22
Surface area 5.0256218955855E+15
Circumference 125652126.23307

Square

Length = n
Perimeter 79992628
Area 399926283396649
Diagonal 28281664.851866

Cube

Length = n
Surface area 2399557700379894
Volume 7.9977886037927E+21
Space diagonal 34637823.981739

Equilateral Triangle

Length = n
Perimeter 59994471
Area 1.731731605313E+14
Altitude 17318911.99087

Triangular Pyramid

Length = n
Surface area 1.731731605313E+14
Volume 9.4254842603972E+20
Height 9427221.6172888