123921 (number)

123921 is an odd 6-digits composite number following 123920 and preceding 123922. In scientific notation, it is written as 1.23921 × 10^5. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 70560 positive integers (up to 123921) that are relatively prime to 123921.

Interesting facts

Basic properties

Name

Name one hundred twenty-three thousand nine hundred twenty-one

Notation

Scientific notation 1.23921 × 10^5
Engineering notation 1.23921 × 10^3

Prime Factorization of 123921

Prime Factorization 63 × 7 × 281

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 123921
Product of the distinct prime numbers

The prime factorization of 123921 is 63 × 7 × 281. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123921)

Multiplication

n×y
n×2 247842
n×3 371763
n×4 495684
n×5 619605

Division

n÷y
n÷2 61960.5
n÷3 41307
n÷3 30980.25
n÷5 24784.2

Exponentiation

ny
n2 15356414241
n3 1902982209158961
n4 2.3581945834119E+20
n5 2.9222983097098E+25

Nth Root

y√n
2√n 352.02414689904
3√n 49.85571738435
4√n 18.76230654528
5√n 10.438280950222

Divisors of 123921

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 -123920
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 123921 can be divided by 8 positive divisors. The sum of these divisors (counting 123921) is 1, the average is 0.125.

Base conversion 123921

Base System Value
2 Binary 11110010000010001
3 Ternary 20021222200
4 Quaternary 132100101
5 Quinary 12431141
6 Senary 2353413
8 Octal 362021
10 Decimal 123921
12 Duodecimal 5b869
16 Hexadecimal 1e411
20 Vigesimal f9g1
36 Base36 2nm9

Cryptographic Hash Functions

md5 ce5992145305afbd79300a8275591e67
sha1 1276706176d63f2448114816452ad9aeb8ef06d6
sha256 8218307a83d0b4d9b928762a7736abb9cd55158e590f82e0a797d8d9396f2eb5
sha512 82c97773429e328d753ecb7ef7fa9bcce312e1b34f444b0e40f61f83f5f4a02bf6fd8d2f8504d107e116faa838de8007f5fb6b9a7fdb4d67a1bfafe54d469f37
ripemd-160 db1bf8bd06bc31a628aae940c64738e51f832ddc

123921 as geometric shapes

Circle

Radius = n
Diameter 247842
Circumference 778618.606451
Area 48243598165.007

Sphere

Radius = n
Volume 7.9711932376078E+15
Surface area 192974392660.03
Circumference 778618.606451

Square

Length = n
Perimeter 495684
Area 15356414241
Diagonal 175250.75886284

Cube

Length = n
Surface area 92138485446
Volume 1902982209158961
Space diagonal 214637.46812474

Equilateral Triangle

Length = n
Perimeter 371763
Area 6649522421.8716
Altitude 107318.73406237

Triangular Pyramid

Length = n
Surface area 6649522421.8716
Volume 2.2426860409561E+14
Height 58416.919620945