642235981 (number)

642235981 is an odd 9-digits prime number following 642235980 and preceding 642235982. In scientific notation, it is written as 6.42235981 × 10^8. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 642235980 positive integers (up to 642235981) that are relatively prime to 642235981.

Interesting facts

Basic properties

Name

Name six hundred forty-two million two hundred thirty-five thousand nine hundred eighty-one

Notation

Scientific notation 6.42235981 × 10^8
Engineering notation 6.42235981 × 10^6

Prime Factorization of 642235981

Prime Factorization 642235981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 642235981
Product of the distinct prime numbers

The prime factorization of 642235981 is 642235981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 10, 91, 99, 432, 80, 4465, 981, 55717, 38225, 564431, 194779, 4699436, 5020376, 1370767, 6187264, 693144139, 324276558, 8616292018, 8956382907

Basic calculations (n = 642235981)

Multiplication

n×y
n×2 1284471962
n×3 1926707943
n×4 2568943924
n×5 3211179905

Division

n÷y
n÷2 321117990.5
n÷3 214078660.33333
n÷3 160558995.25
n÷5 128447196.2

Exponentiation

ny
n2 412467055291032361
n3 2.6490118388502E+26
n4 1.7012907170046E+35
n5 1.0926301126016E+44

Nth Root

y√n
2√n 25342.375204388
3√n 862.77630847644
4√n 159.19288678954
5√n 57.748263122773

Divisors of 642235981

1, 642235981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 642235982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 321117991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25342.375224118
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999968859
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642235981 can be divided by 2 positive divisors. The sum of these divisors (counting 642235981) is 642235982, the average is 321117991.

Base conversion 642235981

Base System Value
2 Binary 100110010001111011111001001101
3 Ternary 1122202110222010211
4 Quaternary 212101323321031
5 Quinary 2303403022411
6 Senary 143421202421
8 Octal 4621737115
10 Decimal 642235981
12 Duodecimal 15b100411
16 Hexadecimal 2647be4d
20 Vigesimal a0dj9j1
36 Base36 amdcgd

Cryptographic Hash Functions

md5 8c148e7810dc0c2fa1e4651c82e2ac53
sha1 3af2962b03775e2d53c5bd62b3d7219fdd0157fd
sha256 4045af37723d49ccc94520ce4c3fcd22f74c579d1ec24dc3a1877b9e5ef5c928
sha512 c822a0a5fad22eeca4eec74fe1dd0d38f03b9997a06180feb2360b18b969823347a3b5274558dca3c33474b6d87ac6fcced05595b83294d4cafb406aea79670d
ripemd-160 8c7e0218c2140997be64be2840dbff6bcc8a80d9

642235981 as geometric shapes

Circle

Radius = n
Diameter 1284471962
Circumference 4035287679.5613
Area 1.2958034707501E+18

Sphere

Radius = n
Volume 1.1096154842939E+27
Surface area 5.1832138830005E+18
Circumference 4035287679.5613

Square

Length = n
Perimeter 2568943924
Area 412467055291032361
Diagonal 908258834.57419

Cube

Length = n
Surface area 2474802331746194166
Volume 2.6490118388502E+26
Space diagonal 1112385349.5408

Equilateral Triangle

Length = n
Perimeter 1926707943
Area 1.786034740531E+17
Altitude 556192674.77042

Triangular Pyramid

Length = n
Surface area 1.786034740531E+17
Volume 3.1218903911573E+25
Height 302752944.85806