1242145 (number)

1242145 is an odd 7-digits composite number following 1242144 and preceding 1242146. In scientific notation, it is written as 1.242145 × 10^6. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 979440 positive integers (up to 1242145) that are relatively prime to 1242145.

Interesting facts

Basic properties

Name

Name one million two hundred forty-two thousand one hundred forty-five

Notation

Scientific notation 1.242145 × 10^6
Engineering notation 1.242145 × 10^6

Prime Factorization of 1242145

Prime Factorization 5 × 71 × 3499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1242145
Product of the distinct prime numbers

The prime factorization of 1242145 is 5 × 71 × 3499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1242145)

Multiplication

n×y
n×2 2484290
n×3 3726435
n×4 4968580
n×5 6210725

Division

n÷y
n÷2 621072.5
n÷3 414048.33333333
n÷3 310536.25
n÷5 248429

Exponentiation

ny
n2 1542924201025
n3 1916535581682198625
n4 2.3806150901086E+24
n5 2.957069131103E+30

Nth Root

y√n
2√n 1114.5155898416
3√n 107.49561907512
4√n 33.384361456251
5√n 16.551389506056

Divisors of 1242145

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 -1242144
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 1242145 can be divided by 8 positive divisors. The sum of these divisors (counting 1242145) is 1, the average is 0.125.

Base conversion 1242145

Base System Value
2 Binary 100101111010000100001
3 Ternary 2100002220101
4 Quaternary 10233100201
5 Quinary 304222040
6 Senary 42342401
8 Octal 4572041
10 Decimal 1242145
12 Duodecimal 4baa01
16 Hexadecimal 12f421
20 Vigesimal 7f575
36 Base36 qmg1

Cryptographic Hash Functions

md5 7b29f3f983ab751da8f6805e240ec4e8
sha1 e9def9ae7c2629dc6d5cea7ff5c80cc308aaf25e
sha256 4e61cf492fbd717036b38d5874d2fa223da822387af53eb2e140bb05fde2d1aa
sha512 25964d936bfe8000345a2a867529ca1f07ede56c3f88d0cc70688592571602952d5ef829951f1088da2d57b59307317631c8a54b6162813e0f38854a6354d980
ripemd-160 3161eabd0cd3384edeff270e36060494b034a007

1242145 as geometric shapes

Circle

Radius = n
Diameter 2484290
Circumference 7804627.2133866
Area 4847239334986

Sphere

Radius = n
Volume 8.027965471675E+18
Surface area 19388957339944
Circumference 7804627.2133866

Square

Length = n
Perimeter 4968580
Area 1542924201025
Diagonal 1756658.3054339

Cube

Length = n
Surface area 9257545206150
Volume 1916535581682198625
Space diagonal 2151458.2503676

Equilateral Triangle

Length = n
Perimeter 3726435
Area 668105777100.73
Altitude 1075729.1251838

Triangular Pyramid

Length = n
Surface area 668105777100.73
Volume 2.2586588436546E+17
Height 585552.76847798