123978906 (number)

123978906 is an even 9-digits composite number following 123978905 and preceding 123978907. In scientific notation, it is written as 1.23978906 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 41191560 positive integers (up to 123978906) that are relatively prime to 123978906.

Interesting facts

Basic properties

Name

Name one hundred twenty-three million nine hundred seventy-eight thousand nine hundred six

Notation

Scientific notation 1.23978906 × 10^8
Engineering notation 1.23978906 × 10^6

Prime Factorization of 123978906

Prime Factorization 2 × 9 × 311 × 22147

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 123978906
Product of the distinct prime numbers

The prime factorization of 123978906 is 2 × 9 × 311 × 22147. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 8, 81, 878, 534, 6178, 8685, 4737, 99742, 267716, 2682, 1624991, 3429417, 22372096, 91160961, 934270023, 389220903, 1407781916, 4986597053

Basic calculations (n = 123978906)

Multiplication

n×y
n×2 247957812
n×3 371936718
n×4 495915624
n×5 619894530

Division

n÷y
n÷2 61989453
n÷3 41326302
n÷3 30994726.5
n÷5 24795781.2

Exponentiation

ny
n2 15370769132956836
n3 1.9056511414826E+24
n4 2.3626054373866E+32
n5 2.9291323743684E+40

Nth Root

y√n
2√n 11134.581536816
3√n 498.63481727804
4√n 105.52052661362
5√n 41.559427847752

Divisors of 123978906

1, 2, 9, 18, 311, 622, 2799, 5598, 22147, 44294, 199323, 398646, 6887717, 13775434, 61989453, 123978906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -123978905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 123978906 can be divided by 16 positive divisors. The sum of these divisors (counting 123978906) is 1, the average is 0.0625.

Base conversion 123978906

Base System Value
2 Binary 111011000111100010010011010
3 Ternary 22122021210002100
4 Quaternary 13120330102122
5 Quinary 223214311111
6 Senary 20145144230
8 Octal 730742232
10 Decimal 123978906
12 Duodecimal 3562b076
16 Hexadecimal 763c49a
20 Vigesimal 1ieh756
36 Base36 21taqi

Cryptographic Hash Functions

md5 619075158df499484f098a7bdc74a046
sha1 28484f3ee1e4cd38a1d9b8c0cfcd82d81e1a96de
sha256 3e471841ab51159d5529ba45f169559c859fb0405e919e59ad431f762cf581b6
sha512 27811f886a6eb2538e4f5b4dce04224df8469cf5f136c981aaae47c1c9f0c4069d71ffc5a4d958d4b5fcf05466af8ad9c78c89f609b6934df5cd1da0728a31cf
ripemd-160 95346f85665a60a339c80ccf283623a69ac0ede2

123978906 as geometric shapes

Circle

Radius = n
Diameter 247957812
Circumference 778982440.5794
Area 4.8288695388122E+16

Sphere

Radius = n
Volume 7.9823728351821E+24
Surface area 1.9315478155249E+17
Circumference 778982440.5794

Square

Length = n
Perimeter 495915624
Area 15370769132956836
Diagonal 175332650.31338

Cube

Length = n
Surface area 92224614797741016
Volume 1.9056511414826E+24
Space diagonal 214737764.25881

Equilateral Triangle

Length = n
Perimeter 371936718
Area 6.6557382724232E+15
Altitude 107368882.1294

Triangular Pyramid

Length = n
Surface area 6.6557382724232E+15
Volume 2.2458314078637E+23
Height 58444216.771126