1291245942 (number)

1291245942 is an even 10-digits composite number following 1291245941 and preceding 1291245943. In scientific notation, it is written as 1.291245942 × 10^9. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 368927328 positive integers (up to 1291245942) that are relatively prime to 1291245942.

Interesting facts

Basic properties

Name

Name one billion two hundred ninety-one million two hundred forty-five thousand nine hundred forty-two

Notation

Scientific notation 1.291245942 × 10^9
Engineering notation 1.291245942 × 10^9

Prime Factorization of 1291245942

Prime Factorization 2 × 7 × 21 × 4391993

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1291245942
Product of the distinct prime numbers

The prime factorization of 1291245942 is 2 × 7 × 21 × 4391993. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 96, 46, 125, 473, 5, 4897, 13416, 80979, 205584, 561334, 3453566, 583394, 38216799, 78093574, 125982430, 5013776, 8013509399, 7701122415

Basic calculations (n = 1291245942)

Multiplication

n×y
n×2 2582491884
n×3 3873737826
n×4 5164983768
n×5 6456229710

Division

n÷y
n÷2 645622971
n÷3 430415314
n÷3 322811485.5
n÷5 258249188.4

Exponentiation

ny
n2 1667316082731467364
n3 2.1529151258583E+27
n4 2.779942919735E+36
n5 3.5895900140995E+45

Nth Root

y√n
2√n 35933.910752936
3√n 1088.9375900742
4√n 189.56241914719
5√n 66.405154875778

Divisors of 1291245942

1, 2, 7, 14, 21, 42, 147, 294, 4391993, 8783986, 30743951, 61487902, 92231853, 184463706, 645622971, 1291245942

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 -1291245941
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 1291245942 can be divided by 16 positive divisors. The sum of these divisors (counting 1291245942) is 1, the average is 0.0625.

Base conversion 1291245942

Base System Value
2 Binary 1001100111101101101100101110110
3 Ternary 10022222201002102210
4 Quaternary 1030331231211312
5 Quinary 10121024332232
6 Senary 332043514250
8 Octal 11475554566
10 Decimal 1291245942
12 Duodecimal 300528986
16 Hexadecimal 4cf6d976
20 Vigesimal 103a5eh2
36 Base36 lcrvqu

Cryptographic Hash Functions

md5 41f10bc8bfdfbc8e33a67bf7a4a41db8
sha1 8a849f31780f8de2f182b8813e04a1603da5b315
sha256 deae3de9237dc44d14f47b97c79bc2768d88f3fd1dd1b53a5c96abc79c5be739
sha512 4b6cbbadddfd949dce40118ad56a2401721eaedacc4c244b333a61ffc75732e768a5dcbebb7eed0c2f0022f611796946747a5d47bf34dccbb2380a23b0d0b412
ripemd-160 3a7eabaf9a4d2d7d65503541504bea6b5dc232bd

1291245942 as geometric shapes

Circle

Radius = n
Diameter 2582491884
Circumference 8113137530.7297
Area 5.2380279567213E+18

Sphere

Radius = n
Volume 9.0181097909319E+27
Surface area 2.0952111826885E+19
Circumference 8113137530.7297

Square

Length = n
Perimeter 5164983768
Area 1667316082731467364
Diagonal 1826097523.5356

Cube

Length = n
Surface area 1.0003896496389E+19
Volume 2.1529151258583E+27
Space diagonal 2236503576.6111

Equilateral Triangle

Length = n
Perimeter 3873737826
Area 7.219690418919E+17
Altitude 1118251788.3056

Triangular Pyramid

Length = n
Surface area 7.219690418919E+17
Volume 2.5372348080225E+26
Height 608699174.51187