1918445090 is an even 10-digits composite number following 1918445089
and preceding 1918445091 . In scientific notation, it is written as 1.918445090 × 10^9.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 763401216 positive integers (up to 1918445090) that are relatively prime to 1918445090.
1918445090 has 16 divisors, whose sum is 3471096888
The reverse of 1918445090 is 0905448191
Previous prime number is 193
Is Prime? no
Number parity even
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion nine hundred eighteen million four hundred forty-five thousand ninety
Scientific notation
1.918445090 × 10^9
Engineering notation
1.918445090 × 10^9
Prime Factorization
2 × 5 × 193 × 994013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1918445090
Product of the distinct prime numbers
The prime factorization of 1918445090 is 2 × 5 × 193 × 994013.
Since it has a total of 4 prime factors.
5 , 7 , 1 , 77 , 247 , 890 , 5482 , 3862 , 44896 , 5905 , 695165 , 42277 , 6084862 , 9312447 , 13819602 , 81338704 , 945091607 , 621414651 , 7735641897 , 1421912003
n×2
3836890180
n×3
5755335270
n×4
7673780360
n×5
9592225450
n÷2
959222545
n÷3
639481696.66667
n÷3
479611272.5
n÷5
383689018
n2
3680431563345108100
n3
7.0607058617804E+27
n4
1.3545576492467E+37
n5
2.5986444713193E+46
2 √n
43800.058104984
3 √n
1242.5573932332
4 √n
209.28463418269
5 √n
71.876988813586
1 , 2 , 5 , 10 , 193 , 386 , 965 , 1930 , 994013 , 1988026 , 4970065 , 9940130 , 191844509 , 383689018 , 959222545 , 1918445090
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
-1918445089
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 1918445090 can be divided by 16 positive divisors.
The sum of these divisors (counting 1918445090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110010010110010010011000100010
3
Ternary
11221200220002220212
4
Quaternary
1302112102120202
5
Quinary
12412110220330
6
Senary
514210534122
8
Octal
16226223042
10
Decimal
1918445090
12
Duodecimal
456597342
16
Hexadecimal
72592622
20
Vigesimal
19ja5cea
36
Base36
vq6xpe
md5
006736d621f88dfc831ca46360a08f6d
sha1
b97ab5743c623a56fbb1cfed266fc5a57c44cca4
sha256
80a3f31d9f79f770a56e90173676c1c422cac75243515ad6a7e03191e4ccca56
sha512
ecc697e6858ffe13444ec9b94e08625adb4c875713e73b290d5caf708e7a8970c395a8e72e2951565567223e111fafd03f1859187cf5a8d1b10bdb208cecb66f
ripemd-160
43ece21a96cc680b446792ad9fc4b4705b885097
Diameter
3836890180
Circumference
12053946002.119
Area
1.1562416761445E+19
Volume
2.9575815552704E+28
Surface area
4.624966704578E+19
Circumference
12053946002.119
Perimeter
7673780360
Area
3680431563345108100
Diagonal
2713091064.9461
Surface area
2.2082589380071E+19
Volume
7.0607058617804E+27
Space diagonal
3322844367.411
Perimeter
5755335270
Area
1.5936736153735E+18
Altitude
1661422183.7055
Surface area
1.5936736153735E+18
Volume
8.3211216580476E+26
Height
904363688.31536