1639138891 is an odd 10-digits composite number following 1639138890
and preceding 1639138892 . In scientific notation, it is written as 1.639138891 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1512704160 positive integers (up to 1639138891) that are relatively prime to 1639138891.
1639138891 has 8 divisors, whose sum is 1765631504
The reverse of 1639138891 is 1988319361
Previous prime number is 5347
Is Prime? no Number parity odd Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion six hundred thirty-nine million one hundred thirty-eight thousand eight hundred ninety-one
Scientific notation
1.639138891 × 10^9
Engineering notation
1.639138891 × 10^9
Prime Factorization
13 × 5347 × 23581
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1639138891 Product of the distinct prime numbers
The prime factorization of 1639138891 is 13 × 5347 × 23581.
Since it has a total of 3 prime factors.
6 , 3 , 67 , 16 , 531 , 928 , 8177 , 4273 , 62399 , 55387 , 886125 , 972699 , 901078 , 4841388 , 12898800 , 32373038 , 287134200 , 821607026 , 8771824436 , 7901736972
n×2
3278277782
n×3
4917416673
n×4
6556555564
n×5
8195694455
n÷2
819569445.5
n÷3
546379630.33333
n÷3
409784722.75
n÷5
327827778.2
n2
2686776303988709881
n3
4.4039995312851E+27
n4
7.2187669076752E+36
n5
1.1832561583434E+46
2 √n40486.280281103
3 √n1179.067272834
4 √n201.21202817203
5 √n69.650325590752
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
-1639138890 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 1639138891 can be divided by 8 positive divisors.
The sum of these divisors (counting 1639138891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001101100110100011001001011
3
Ternary
11020020022212211211
4
Quaternary
1201230310121023
5
Quinary
11324104421031
6
Senary
430352233551
8
Octal
14154643113
10
Decimal
1639138891
12
Duodecimal
398b3b8b7
16
Hexadecimal
61b3464b
20
Vigesimal
15c4c74b
36
Base36
r3wfnv
md5
5f28de4d6b638d4f12b65e6ea247369e
sha1
c36a39d3dfeae146260f33882ef3d7fea175a52b
sha256
f516ac36c9fa4b3afb9b74ed2bed1062e1c3c18521ff3ba5e5ef12c52575378e
sha512
3bbe944a4af83b94ddeac06c8e1fdc7eabcf02d45a3f856888ccdb1dac02ab487942e81fd3095344aca7d2991b8ea277831c66e6fc9c34ca2daa8185c22b9c15
ripemd-160
027d07880e8442e3a66ac9e7a979ad7c4edf581b
Diameter
3278277782
Circumference
10299013396.358
Area
8.4407566984501E+18
Volume
1.8447430098531E+28
Surface area
3.37630267938E+19
Circumference
10299013396.358
Perimeter
6556555564
Area
2686776303988709881
Diagonal
2318092450.2654
Surface area
1.6120657823932E+19
Volume
4.4039995312851E+27
Space diagonal
2839071839.8741
Perimeter
4917416673
Area
1.1634082667701E+18
Altitude
1419535919.9371
Surface area
1.1634082667701E+18
Volume
5.1901632215235E+26
Height
772697483.4218