1918445089 is an odd 10-digits composite number following 1918445088
and preceding 1918445090 . In scientific notation, it is written as 1.918445089 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1730726400 positive integers (up to 1918445089) that are relatively prime to 1918445089.
1918445089 has 8 divisors, whose sum is 2108826720
The reverse of 1918445089 is 9805448191
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion nine hundred eighteen million four hundred forty-five thousand eighty-nine
Scientific notation
1.918445089 × 10^9
Engineering notation
1.918445089 × 10^9
Prime Factorization
11 × 131 × 1331329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1918445089
Product of the distinct prime numbers
The prime factorization of 1918445089 is 11 × 131 × 1331329.
Since it has a total of 3 prime factors.
2 , 7 , 25 , 28 , 159 , 879 , 6554 , 4403 , 1069 , 63817 , 320676 , 995649 , 2248998 , 2931101 , 52653541 , 55832366 , 113632387 , 350957153 , 1741380364 , 3828725852
n×2
3836890178
n×3
5755335267
n×4
7673780356
n×5
9592225445
n÷2
959222544.5
n÷3
639481696.33333
n÷3
479611272.25
n÷5
383689017.8
n2
3680431559508217921
n3
7.0607058507392E+27
n4
1.3545576464224E+37
n5
2.5986444645465E+46
2 √n
43800.058093569
3 √n
1242.5573930173
4 √n
209.28463415542
5 √n
71.876988806093
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1918445088
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1918445089 can be divided by 8 positive divisors.
The sum of these divisors (counting 1918445089) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110010010110010010011000100001
3
Ternary
11221200220002220211
4
Quaternary
1302112102120201
5
Quinary
12412110220324
6
Senary
514210534121
8
Octal
16226223041
10
Decimal
1918445089
12
Duodecimal
456597341
16
Hexadecimal
72592621
20
Vigesimal
19ja5ce9
36
Base36
vq6xpd
md5
44208078840a482d430608057e78051c
sha1
b9e1237f8afba8fcdca4cabf62666dac5f8de14f
sha256
e51daf36e289a74a1e7c0b99eb4eb43d0b8fd3994defc9557cd250f12024989d
sha512
bccc32545ab32b4ddaafefa989b452b4faad94e56b76881de30cb46f584a1e37a1fac681ae78337f02473cb21e80d05bbfbf417972aa296cd84df895f1eda4e9
ripemd-160
a7fb9603bbd58ad8e79b87bd0f8d1028be75868c
Diameter
3836890178
Circumference
12053945995.836
Area
1.1562416749391E+19
Volume
2.9575815506454E+28
Surface area
4.6249666997564E+19
Circumference
12053945995.836
Perimeter
7673780356
Area
3680431559508217921
Diagonal
2713091063.5319
Surface area
2.2082589357049E+19
Volume
7.0607058507392E+27
Space diagonal
3322844365.679
Perimeter
5755335267
Area
1.593673613712E+18
Altitude
1661422182.8395
Surface area
1.593673613712E+18
Volume
8.3211216450353E+26
Height
904363687.84395