1218391012 (number)

1218391012 is an even 10-digits composite number following 1218391011 and preceding 1218391013. In scientific notation, it is written as 1.218391012 × 10^9. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 608939240 positive integers (up to 1218391012) that are relatively prime to 1218391012.

Interesting facts

Basic properties

Name

Name one billion two hundred eighteen million three hundred ninety-one thousand twelve

Notation

Scientific notation 1.218391012 × 10^9
Engineering notation 1.218391012 × 10^9

Prime Factorization of 1218391012

Prime Factorization 2 × 2 × 2423 × 125711

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 609195506
Product of the distinct prime numbers

The prime factorization of 1218391012 is 2 × 2 × 2423 × 125711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 25, 14, 518, 978, 5861, 9107, 31875, 33339, 128482, 179653, 9915540, 2903909, 31084614, 29515367, 637483697, 917005866, 7198603294, 8130247939

Basic calculations (n = 1218391012)

Multiplication

n×y
n×2 2436782024
n×3 3655173036
n×4 4873564048
n×5 6091955060

Division

n÷y
n÷2 609195506
n÷3 406130337.33333
n÷3 304597753
n÷5 243678202.4

Exponentiation

ny
n2 1484476658122384144
n3 1.8086730177801E+27
n4 2.2036709485102E+36
n5 2.6849328770703E+45

Nth Root

y√n
2√n 34905.458197823
3√n 1068.059782642
4√n 186.83002488311
5√n 65.63830193513

Divisors of 1218391012

1, 2, 4, 2423, 4846, 9692, 125711, 251422, 502844, 304597753, 609195506, 1218391012

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1218391011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1218391012 can be divided by 12 positive divisors. The sum of these divisors (counting 1218391012) is 1, the average is 0.083333333333333.

Base conversion 1218391012

Base System Value
2 Binary 1001000100111110010101111100100
3 Ternary 10010220121200021001
4 Quaternary 1020213302233210
5 Quinary 4443402003022
6 Senary 320522203044
8 Octal 11047625744
10 Decimal 1218391012
12 Duodecimal 2a0053484
16 Hexadecimal 489f2be4
20 Vigesimal j0eihac
36 Base36 k5ecis

Cryptographic Hash Functions

md5 acd233aa4750fdb249e2f084a4bd35bc
sha1 95135f71955adb5eee5e59719668afda91eddb42
sha256 989cc135f62c0036b1c699568633f93ff426b26873f82e53fe366aa6c86114d4
sha512 6d136d13b281c53b58d590243153fb846befadd2dacc7bfa43d6615242e6da26ebf66b8e0462446f7dabbb9cf5fdcccde77a9ec618d0dd6af1fb59a0ff4de449
ripemd-160 337579ee8eaa30c4aeb7cb915502952389746ef8

1218391012 as geometric shapes

Circle

Radius = n
Diameter 2436782024
Circumference 7655376504.9981
Area 4.6636209635828E+18

Sphere

Radius = n
Volume 7.5761518205388E+27
Surface area 1.8654483854331E+19
Circumference 7655376504.9981

Square

Length = n
Perimeter 4873564048
Area 1484476658122384144
Diagonal 1723065093.4439

Cube

Length = n
Surface area 8906859948734304864
Volume 1.8086730177801E+27
Space diagonal 2110315136.2693

Equilateral Triangle

Length = n
Perimeter 3655173036
Area 6.4279724862951E+17
Altitude 1055157568.1346

Triangular Pyramid

Length = n
Surface area 6.4279724862951E+17
Volume 2.1315415930358E+26
Height 574355031.14796