123720145 (number)

123720145 is an odd 9-digits composite number following 123720144 and preceding 123720146. In scientific notation, it is written as 1.23720145 × 10^8. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 98976112 positive integers (up to 123720145) that are relatively prime to 123720145.

Interesting facts

Basic properties

Name

Name one hundred twenty-three million seven hundred twenty thousand one hundred forty-five

Notation

Scientific notation 1.23720145 × 10^8
Engineering notation 1.23720145 × 10^6

Prime Factorization of 123720145

Prime Factorization 5 × 24744029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 123720145
Product of the distinct prime numbers

The prime factorization of 123720145 is 5 × 24744029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 39, 7, 574, 353, 7490, 6061, 5618, 78229, 583784, 560593, 4898021, 8132876, 52054828, 60818641, 17658984, 267638756, 2496525075, 9609634022

Basic calculations (n = 123720145)

Multiplication

n×y
n×2 247440290
n×3 371160435
n×4 494880580
n×5 618600725

Division

n÷y
n÷2 61860072.5
n÷3 41240048.333333
n÷3 30930036.25
n÷5 24744029

Exponentiation

ny
n2 15306674278821025
n3 1.8937439612435E+24
n4 2.3429427747792E+32
n5 2.8986921982239E+40

Nth Root

y√n
2√n 11122.955767241
3√n 498.28766920743
4√n 105.46542451079
5√n 41.542065300022

Divisors of 123720145

1, 5, 24744029, 123720145

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 -123720144
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 123720145 can be divided by 4 positive divisors. The sum of these divisors (counting 123720145) is 1, the average is 0.25.

Base conversion 123720145

Base System Value
2 Binary 111010111111101000111010001
3 Ternary 22121210122010121
4 Quaternary 13113331013101
5 Quinary 223133021040
6 Senary 20135430241
8 Octal 727750721
10 Decimal 123720145
12 Duodecimal 35525381
16 Hexadecimal 75fd1d1
20 Vigesimal 1id5075
36 Base36 21nr2p

Cryptographic Hash Functions

md5 67a5a1266ab976748c3f7643bd45e902
sha1 939579106a7db2c6a4051d4eaa6bf7f7e0bbff60
sha256 25bab56aa770b2c512cb58ba631870a677a0d26d6c66bbe4783085f05f9c5eb1
sha512 31a4e2b55b773274280848888defcf3b985e82a20fa0419cfcd2042898b4b2541c365cdc2a11e8bf31a995cdfddfe7fec4a1321245d8a0a0885c97762feced30
ripemd-160 0aec3a81c3cdac2a6c38c1c475028a2ee18006b3

123720145 as geometric shapes

Circle

Radius = n
Diameter 247440290
Circumference 777356597.26613
Area 4.8087335465236E+16

Sphere

Radius = n
Volume 7.9324961552302E+24
Surface area 1.9234934186094E+17
Circumference 777356597.26613

Square

Length = n
Perimeter 494880580
Area 15306674278821025
Diagonal 174966706.99777

Cube

Length = n
Surface area 91840045672926150
Volume 1.8937439612435E+24
Space diagonal 214289577.05979

Equilateral Triangle

Length = n
Perimeter 371160435
Area 6.6279843864564E+15
Altitude 107144788.52989

Triangular Pyramid

Length = n
Surface area 6.6279843864564E+15
Volume 2.2317986613773E+23
Height 58322235.665922