1621936639 is an odd 10-digits prime number following 1621936638
and preceding 1621936640 . In scientific notation, it is written as 1.621936639 × 10^9.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 1621936638 positive integers (up to 1621936639) that are relatively prime to 1621936639.
1621936639 has 2 divisors, whose sum is 1621936640
The reverse of 1621936639 is 9366391261
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion six hundred twenty-one million nine hundred thirty-six thousand six hundred thirty-nine
Scientific notation
1.621936639 × 10^9
Engineering notation
1.621936639 × 10^9
Prime Factorization
1621936639
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1621936639
Product of the distinct prime numbers
The prime factorization of 1621936639 is 1621936639.
Since it has a total of 1 prime factors.
8 , 3 , 31 , 52 , 717 , 71 , 1531 , 3969 , 40111 , 80387 , 726120 , 193159 , 8704261 , 7581540 , 52271751 , 29593519 , 589873576 , 115434423 , 8478119660 , 7951196646
n×2
3243873278
n×3
4865809917
n×4
6487746556
n×5
8109683195
n÷2
810968319.5
n÷3
540645546.33333
n÷3
405484159.75
n÷5
324387327.8
n2
2630678460930616321
n3
4.2667937812115E+27
n4
6.9204691648043E+36
n5
1.1224562497466E+46
2 √n
40273.274500592
3 √n
1174.9281112499
4 √n
200.68202336181
5 √n
69.503516309692
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1621936640
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
810968320
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
40273.274513007
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999987669
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1621936639 can be divided by 2 positive divisors.
The sum of these divisors (counting 1621936639) is 1621936640, the average is 810968320.
Base
System
Value
2
Binary
1100000101011001100100111111111
3
Ternary
11012000221220210101
4
Quaternary
1200223030213333
5
Quinary
11310203433024
6
Senary
424535421531
8
Octal
14053144777
10
Decimal
1621936639
12
Duodecimal
3932248a7
16
Hexadecimal
60acc9ff
20
Vigesimal
156h21bj
36
Base36
qtnqbj
md5
0f2f60bcc8c75fe9c43f48f9b849743d
sha1
d64f2c85e2ea0ca15ad54e75be26759495e95d01
sha256
279c71b2282f2c5670829af96de5afb70d63f55b6e50206ad3055ec373048672
sha512
d37d923dabf5ee026b427fab98ae399834be8dd3c673398ec33a56a464857e80339fdefaf08e33b8d11f1ca194057fa76e8f2f7d2e7e935895553f492db1745c
ripemd-160
7ae0fef2e46d0ac27e5369a1632247ce3bf7164f
Diameter
3243873278
Circumference
10190928459.341
Area
8.2645201268165E+18
Volume
1.7872703996582E+28
Surface area
3.3058080507266E+19
Circumference
10190928459.341
Perimeter
6487746556
Area
2630678460930616321
Diagonal
2293764792.1836
Surface area
1.5784070765584E+19
Volume
4.2667937812115E+27
Space diagonal
2809276665.4055
Perimeter
4865809917
Area
1.1391171881772E+18
Altitude
1404638332.7028
Surface area
1.1391171881772E+18
Volume
5.0284646943654E+26
Height
764588264.06121