12157421 (number)

12157421 is an odd 8-digits composite number following 12157420 and preceding 12157422. In scientific notation, it is written as 1.2157421 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 12143712 positive integers (up to 12157421) that are relatively prime to 12157421.

Interesting facts

Basic properties

Name

Name twelve million one hundred fifty-seven thousand four hundred twenty-one

Notation

Scientific notation 1.2157421 × 10^7
Engineering notation 1.2157421 × 10^6

Prime Factorization of 12157421

Prime Factorization 953 × 12757

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12157421
Product of the distinct prime numbers

The prime factorization of 12157421 is 953 × 12757. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12157421)

Multiplication

n×y
n×2 24314842
n×3 36472263
n×4 48629684
n×5 60787105

Division

n÷y
n÷2 6078710.5
n÷3 4052473.6666667
n÷3 3039355.25
n÷5 2431484.2

Exponentiation

ny
n2 147802885371241
n3 1.7969019024729E+21
n4 2.1845692924064E+28
n5 2.6558728591457E+35

Nth Root

y√n
2√n 3486.7493457374
3√n 229.9396249847
4√n 59.048703167279
5√n 26.119706418865

Divisors of 12157421

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 -12157420
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 12157421 can be divided by 4 positive divisors. The sum of these divisors (counting 12157421) is 1, the average is 0.25.

Base conversion 12157421

Base System Value
2 Binary 101110011000000111101101
3 Ternary 211212122211212
4 Quaternary 232120013231
5 Quinary 11103014141
6 Senary 1112324205
8 Octal 56300755
10 Decimal 12157421
12 Duodecimal 40a3665
16 Hexadecimal b981ed
20 Vigesimal 3fjdb1
36 Base36 78kq5

Cryptographic Hash Functions

md5 df75912f62b3ac2dbddd7061a42e5356
sha1 cd7990764e550ea1a9fbb952604dfcc750c0cfb1
sha256 d84acc0e5522bbd2d0a9f0e94135fd67d8419083052cdcf651994f51030fde31
sha512 763ab7c527a0d8edeca00e9119ef7fc3f6081a2ceab0496c8a68d33d5a5a1bc2ffe77f1d7dd0e8787c5798bdfbfa4fac2828a7fcb83407131ac02cc0b995550c
ripemd-160 fdb2beb364a5e60ab4864cf5fed26e8e30d3ad15

12157421 as geometric shapes

Circle

Radius = n
Diameter 24314842
Circumference 76387329.000397
Area 4.6433645886166E+14

Sphere

Radius = n
Volume 7.5268450880406E+21
Surface area 1.8573458354467E+15
Circumference 76387329.000397

Square

Length = n
Perimeter 48629684
Area 147802885371241
Diagonal 17193189.661679

Cube

Length = n
Surface area 886817312227446
Volume 1.7969019024729E+21
Space diagonal 21057270.861005

Equilateral Triangle

Length = n
Perimeter 36472263
Area 64000526742067
Altitude 10528635.430502

Triangular Pyramid

Length = n
Surface area 64000526742067
Volume 2.1176692006093E+20
Height 5731063.2205598