1918996427 is an odd 10-digits composite number following 1918996426
and preceding 1918996428 . In scientific notation, it is written as 1.918996427 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1912865136 positive integers (up to 1918996427) that are relatively prime to 1918996427.
1918996427 has 4 divisors, whose sum is 1925127720
The reverse of 1918996427 is 7246998191
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred eighteen million nine hundred ninety-six thousand four hundred twenty-seven
Scientific notation
1.918996427 × 10^9
Engineering notation
1.918996427 × 10^9
Prime Factorization
313 × 6130979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1918996427
Product of the distinct prime numbers
The prime factorization of 1918996427 is 313 × 6130979.
Since it has a total of 2 prime factors.
1 , 3 , 43 , 100 , 988 , 404 , 5191 , 7936 , 27716 , 47210 , 508992 , 480566 , 3198715 , 599788 , 84862979 , 27216993 , 605161899 , 220323423 , 4169308096 , 1537667729
n×2
3837992854
n×3
5756989281
n×4
7675985708
n×5
9594982135
n÷2
959498213.5
n÷3
639665475.66667
n÷3
479749106.75
n÷5
383799285.4
n2
3682547286838766329
n3
7.0667950857021E+27
n4
1.3561154519804E+37
n5
2.6023807069498E+46
2 √n
43806.351445881
3 √n
1242.6764136234
4 √n
209.29966900566
5 √n
71.881119647342
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1918996426
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1918996427 can be divided by 4 positive divisors.
The sum of these divisors (counting 1918996427) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110010011000011000111111001011
3
Ternary
11221201221010012202
4
Quaternary
1302120120333023
5
Quinary
12412230341202
6
Senary
514230430415
8
Octal
16230307713
10
Decimal
1918996427
12
Duodecimal
45680240b
16
Hexadecimal
72618fcb
20
Vigesimal
19jdeb17
36
Base36
vqir4b
md5
adf0f2ad19382baad68be055e4e390aa
sha1
db00f1c565162bb4d384ec81a4e584b149e22842
sha256
659490073a1de3a08c52e207ad8dc5dfe706f6c427d591bfea5bfb3bd7c9dc9e
sha512
b0bf75450e7f7f2bb82450432f0cbd9b8b78537c5c6639d70c071128b01275ed474f41ffeff23d5bd71c036f2b278fd12207b32802c714f506054f0770489b02
ripemd-160
59faac17c6ffeadaa99b547609c3849dba6602d8
Diameter
3837992854
Circumference
12057410154.657
Area
1.156906350283E+19
Volume
2.9601322034222E+28
Surface area
4.6276254011319E+19
Circumference
12057410154.657
Perimeter
7675985708
Area
3682547286838766329
Diagonal
2713870773.2089
Surface area
2.2095283721033E+19
Volume
7.0667950857021E+27
Space diagonal
3323799311.1071
Perimeter
5756989281
Area
1.5945897505199E+18
Altitude
1661899655.5536
Surface area
1.5945897505199E+18
Volume
8.3282978772596E+26
Height
904623591.06964