1291242938 (number)

1291242938 is an even 10-digits composite number following 1291242937 and preceding 1291242939. In scientific notation, it is written as 1.291242938 × 10^9. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 611500080 positive integers (up to 1291242938) that are relatively prime to 1291242938.

Interesting facts

Basic properties

Name

Name one billion two hundred ninety-one million two hundred forty-two thousand nine hundred thirty-eight

Notation

Scientific notation 1.291242938 × 10^9
Engineering notation 1.291242938 × 10^9

Prime Factorization of 1291242938

Prime Factorization 2 × 31 × 47 × 443117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1291242938
Product of the distinct prime numbers

The prime factorization of 1291242938 is 2 × 31 × 47 × 443117. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 31, 20, 507, 19, 955, 7124, 28200, 39395, 690249, 31879, 6317333, 4878542, 53563690, 80631928, 592580117, 98690180, 6973849695, 285231381

Basic calculations (n = 1291242938)

Multiplication

n×y
n×2 2582485876
n×3 3873728814
n×4 5164971752
n×5 6456214690

Division

n÷y
n÷2 645621469
n÷3 430414312.66667
n÷3 322810734.5
n÷5 258248587.6

Exponentiation

ny
n2 1667308324934871844
n3 2.1529001000408E+27
n4 2.7799170503971E+36
n5 3.5895482595511E+45

Nth Root

y√n
2√n 35933.868953955
3√n 1088.936745626
4√n 189.56230889593
5√n 66.405123978291

Divisors of 1291242938

1, 2, 31, 47, 62, 94, 1457, 2914, 443117, 886234, 13736627, 20826499, 27473254, 41652998, 645621469, 1291242938

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 -1291242937
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 1291242938 can be divided by 16 positive divisors. The sum of these divisors (counting 1291242938) is 1, the average is 0.0625.

Base conversion 1291242938

Base System Value
2 Binary 1001100111101101100110110111010
3 Ternary 10022222200221022112
4 Quaternary 1030331230312322
5 Quinary 10121024233223
6 Senary 332043452322
8 Octal 11475546672
10 Decimal 1291242938
12 Duodecimal 3005270a2
16 Hexadecimal 4cf6cdba
20 Vigesimal 103a576i
36 Base36 lcrtfe

Cryptographic Hash Functions

md5 61921012b57b92ade0c2603b0c138dfe
sha1 fa0805145083dcacb6433a747dfa88d05fb96387
sha256 9fab892e2b100934c6fcef888e55a426bac3f2c1249d60638a465f7430d98d96
sha512 816dcbf08bb2e307b3c170e251cfd0110ae522913f328a00a78347df1682b9078cac76b5cecaad72243282655fe83a7773dfe3ae122ecb79aabc7763d6b3cb82
ripemd-160 88daa721e4128ec4276b8901ac52a7e508c70c83

1291242938 as geometric shapes

Circle

Radius = n
Diameter 2582485876
Circumference 8113118656.041
Area 5.2380035848845E+18

Sphere

Radius = n
Volume 9.0180468509344E+27
Surface area 2.0952014339538E+19
Circumference 8113118656.041

Square

Length = n
Perimeter 5164971752
Area 1667308324934871844
Diagonal 1826093275.2381

Cube

Length = n
Surface area 1.0003849949609E+19
Volume 2.1529001000408E+27
Space diagonal 2236498373.5305

Equilateral Triangle

Length = n
Perimeter 3873728814
Area 7.2196568266744E+17
Altitude 1118249186.7653

Triangular Pyramid

Length = n
Surface area 7.2196568266744E+17
Volume 2.5372170999267E+26
Height 608697758.41269