123398981 (number)

123398981 is an odd 9-digits composite number following 123398980 and preceding 123398982. In scientific notation, it is written as 1.23398981 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 121381632 positive integers (up to 123398981) that are relatively prime to 123398981.

Interesting facts

Basic properties

Name

Name one hundred twenty-three million three hundred ninety-eight thousand nine hundred eighty-one

Notation

Scientific notation 1.23398981 × 10^8
Engineering notation 1.23398981 × 10^6

Prime Factorization of 123398981

Prime Factorization 73 × 409 × 4133

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 123398981
Product of the distinct prime numbers

The prime factorization of 123398981 is 73 × 409 × 4133. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 43, 35, 884, 362, 1074, 4910, 95836, 82390, 479321, 612408, 8722589, 4690028, 91289216, 31315610, 612547693, 192057645, 6139091950, 4968014740

Basic calculations (n = 123398981)

Multiplication

n×y
n×2 246797962
n×3 370196943
n×4 493595924
n×5 616994905

Division

n÷y
n÷2 61699490.5
n÷3 41132993.666667
n÷3 30849745.25
n÷5 24679796.2

Exponentiation

ny
n2 15227308511838361
n3 1.8790343537335E+24
n4 2.318709245147E+32
n5 2.8612635808643E+40

Nth Root

y√n
2√n 11108.509395954
3√n 497.85612877047
4√n 105.39691359786
5√n 41.520475136131

Divisors of 123398981

1, 73, 409, 4133, 29857, 301709, 1690397, 123398981

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 -123398980
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 123398981 can be divided by 8 positive divisors. The sum of these divisors (counting 123398981) is 1, the average is 0.125.

Base conversion 123398981

Base System Value
2 Binary 111010110101110101101000101
3 Ternary 22121012022120122
4 Quaternary 13112232231011
5 Quinary 223042231411
6 Senary 20124511325
8 Octal 726565505
10 Decimal 123398981
12 Duodecimal 353ab545
16 Hexadecimal 75aeb45
20 Vigesimal 1ib4h91
36 Base36 21gv9h

Cryptographic Hash Functions

md5 66dcdfe66e031d8a5fc5b4b72a025dcc
sha1 cbd46b49182a8dcc532e0088625a8e611051ba8f
sha256 b01de5c36834363e74449e8c8bf84b60f9d32cf2b964261a4f71854a38ef0e4c
sha512 17b433e7d7d68813f7d789223d9cfa89d911d360dfdf3404ffcc65eb9d52a90a31dc0eb34127eff32dd7b07d70bd9de74c6a3602a131dd3bc0798f92fd4eab69
ripemd-160 26bb8deab565ab6da4e17ecb1e1994876bc95d07

123398981 as geometric shapes

Circle

Radius = n
Diameter 246797962
Circumference 775338664.34013
Area 4.7838000554737E+16

Sphere

Radius = n
Volume 7.8708806953759E+24
Surface area 1.9135200221895E+17
Circumference 775338664.34013

Square

Length = n
Perimeter 493595924
Area 15227308511838361
Diagonal 174512512.51322

Cube

Length = n
Surface area 91363851071030166
Volume 1.8790343537335E+24
Space diagonal 213733304.69423

Equilateral Triangle

Length = n
Perimeter 370196943
Area 6.5936180012575E+15
Altitude 106866652.34711

Triangular Pyramid

Length = n
Surface area 6.5936180012575E+15
Volume 2.214463222679E+23
Height 58170837.504407