1639381909 is an odd 10-digits composite number following 1639381908
and preceding 1639381910 . In scientific notation, it is written as 1.639381909 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1476673200 positive integers (up to 1639381909) that are relatively prime to 1639381909.
1639381909 has 8 divisors, whose sum is 1804825440
The reverse of 1639381909 is 9091839361
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion six hundred thirty-nine million three hundred eighty-one thousand nine hundred nine
Scientific notation
1.639381909 × 10^9
Engineering notation
1.639381909 × 10^9
Prime Factorization
11 × 109 × 1367291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1639381909
Product of the distinct prime numbers
The prime factorization of 1639381909 is 11 × 109 × 1367291.
Since it has a total of 3 prime factors.
10 , 7 , 64 , 18 , 135 , 509 , 6070 , 8890 , 455 , 79299 , 387235 , 370513 , 7287964 , 4343154 , 76376063 , 41776231 , 148165875 , 328073148 , 952554564 , 2965876366
n×2
3278763818
n×3
4918145727
n×4
6557527636
n×5
8196909545
n÷2
819690954.5
n÷3
546460636.33333
n÷3
409845477.25
n÷5
327876381.8
n2
2687573043556484281
n3
4.4059586267226E+27
n4
7.2230488644515E+36
n5
1.1841335636205E+46
2 √n
40489.281408788
3 √n
1179.1255392837
4 √n
201.21948565879
5 √n
69.652390733518
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
-1639381908
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 1639381909 can be divided by 8 positive divisors.
The sum of these divisors (counting 1639381909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001101101101111101110010101
3
Ternary
11020020210020012111
4
Quaternary
1201231233232111
5
Quinary
11324140210114
6
Senary
430401351021
8
Octal
14155575625
10
Decimal
1639381909
12
Duodecimal
399038471
16
Hexadecimal
61b6fb95
20
Vigesimal
15c62ef9
36
Base36
r41n6d
md5
3200f6c91378ab387aef64f17e3ff08a
sha1
5d8ad661ea3505ab74f37ae1076ec86c2c7cfa36
sha256
bd5be3c97e0135afbce23194d2e70a7b4a4594b908431a493aabe7c448a27dac
sha512
f763db0b7e95326d7d008b1581aae820d12f75cc118c63ffa5cbcf4fc583847b6b2ad754e078d5ede8ffd2595e6e3a459a8ffda7872b7b9cf4b4a0587b24e0e5
ripemd-160
a81fe2b3b637989881b03a167038454256895bb2
Diameter
3278763818
Circumference
10300540323.485
Area
8.443259729623E+18
Volume
1.845563633831E+28
Surface area
3.3773038918492E+19
Circumference
10300540323.485
Perimeter
6557527636
Area
2687573043556484281
Diagonal
2318436129.6169
Surface area
1.6125438261339E+19
Volume
4.4059586267226E+27
Space diagonal
2839492759.3973
Perimeter
4918145727
Area
1.1637532651231E+18
Altitude
1419746379.6986
Surface area
1.1637532651231E+18
Volume
5.1924720376382E+26
Height
772812043.20563