1638961613 is an odd 10-digits prime number following 1638961612
and preceding 1638961614 . In scientific notation, it is written as 1.638961613 × 10^9.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 1638961612 positive integers (up to 1638961613) that are relatively prime to 1638961613.
1638961613 has 2 divisors, whose sum is 1638961614
The reverse of 1638961613 is 3161698361
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion six hundred thirty-eight million nine hundred sixty-one thousand six hundred thirteen
Scientific notation
1.638961613 × 10^9
Engineering notation
1.638961613 × 10^9
Prime Factorization
1638961613
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1638961613
Product of the distinct prime numbers
The prime factorization of 1638961613 is 1638961613.
Since it has a total of 1 prime factors.
8 , 1 , 71 , 52 , 869 , 171 , 9596 , 8381 , 86668 , 28810 , 879876 , 421681 , 5691335 , 8858657 , 97577991 , 31636477 , 649864147 , 76736390 , 8780116086 , 716053556
n×2
3277923226
n×3
4916884839
n×4
6555846452
n×5
8194808065
n÷2
819480806.5
n÷3
546320537.66667
n÷3
409740403.25
n÷5
327792322.6
n2
2686195168887561769
n3
4.4025707668328E+27
n4
7.2156444853549E+36
n5
1.1826164324552E+46
2 √n
40484.090862955
3 √n
1179.0247646966
4 √n
201.20658752376
5 √n
69.64881894544
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1638961614
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
819480807
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
40484.090875306
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999987797
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1638961613 can be divided by 2 positive divisors.
The sum of these divisors (counting 1638961613) is 1638961614, the average is 819480807.
Base
System
Value
2
Binary
1100001101100001001000111001101
3
Ternary
11020012222212122222
4
Quaternary
1201230021013031
5
Quinary
11324033232423
6
Senary
430344345125
8
Octal
14154110715
10
Decimal
1638961613
12
Duodecimal
398a751a5
16
Hexadecimal
61b091cd
20
Vigesimal
15c3a40d
36
Base36
r3smvh
md5
40a6fcabcc24c05558f8990c7f2b125b
sha1
e3e2d23509e739543395211bd4dc370355de7738
sha256
739776a939079ab19f306543d1efef5dd1e6d61aaed57a2957afaf023561b177
sha512
fe846a6dec20ab8579ce6102de8b41e0a0f6277298aee1aa7c473a33628f21aa01c96474167b91d798a14b09487a5723251c43afcb959eb4dfe41a3148b927a7
ripemd-160
78ec4d210adc0a4c493ea057794130026862389b
Diameter
3277923226
Circumference
10297899525.833
Area
8.4389310086856E+18
Volume
1.8441445303988E+28
Surface area
3.3755724034742E+19
Circumference
10297899525.833
Perimeter
6555846452
Area
2686195168887561769
Diagonal
2317841741.3135
Surface area
1.6117171013325E+19
Volume
4.4025707668328E+27
Space diagonal
2838764785.371
Perimeter
4916884839
Area
1.1631566278898E+18
Altitude
1419382392.6855
Surface area
1.1631566278898E+18
Volume
5.1884794064685E+26
Height
772613913.77116