1621397169 is an odd 10-digits composite number following 1621397168
and preceding 1621397170 . In scientific notation, it is written as 1.621397169 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 926512344 positive integers (up to 1621397169) that are relatively prime to 1621397169.
1621397169 has 12 divisors, whose sum is 2379193856
The reverse of 1621397169 is 9617931261
Previous prime number is 63
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion six hundred twenty-one million three hundred ninety-seven thousand one hundred sixty-nine
Scientific notation
1.621397169 × 10^9
Engineering notation
1.621397169 × 10^9
Prime Factorization
3 × 3 × 63 × 2859607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
540465723
Product of the distinct prime numbers
The prime factorization of 1621397169 is 3 × 3 × 63 × 2859607.
Since it has a total of 4 prime factors.
5 , 8 , 100 , 19 , 492 , 416 , 722 , 5253 , 12820 , 12511 , 33581 , 634519 , 9197126 , 2131749 , 44878722 , 21556569 , 213282772 , 150116085 , 4303500703 , 6706251464
n×2
3242794338
n×3
4864191507
n×4
6485588676
n×5
8106985845
n÷2
810698584.5
n÷3
540465723
n÷3
405349292.25
n÷5
324279433.8
n2
2628928779641214561
n3
4.2625376808129E+27
n4
6.9112665284258E+36
n5
1.1205907983394E+46
2 √n
40266.576325782
3 √n
1174.7978330916
4 √n
200.66533414066
5 √n
69.498892201634
1 , 3 , 9 , 63 , 189 , 567 , 2859607 , 8578821 , 25736463 , 180155241 , 540465723 , 1621397169
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1621397168
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1621397169 can be divided by 12 positive divisors.
The sum of these divisors (counting 1621397169) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100000101001001000111010110001
3
Ternary
11011222221111210000
4
Quaternary
1200221020322301
5
Quinary
11310034202134
6
Senary
424520100213
8
Octal
14051107261
10
Decimal
1621397169
12
Duodecimal
393004669
16
Hexadecimal
60a48eb1
20
Vigesimal
156deci9
36
Base36
qtc629
md5
736a5f01c85af025c53ffb8a7c21c168
sha1
0da947800fbf72888adb4bfd409c8a296fbae3fb
sha256
944dd76fbbd37fe87b5d07d66e76ee98a621cdad3aa1f3a69539a67ba8f14a7a
sha512
7acefe3a153e2beb0e76c0bca202f1474ced475347c3fe35c7f90220b32ccd8ed6cd9847ddcd5102e8b09587678fff58399fcac24403e44d88b1ec775bcd3bbd
ripemd-160
ac9dbba08105b5c9c6f5713783aafd218f0c0180
Diameter
3242794338
Circumference
10187538869.363
Area
8.2590233409316E+18
Volume
1.7854876084922E+28
Surface area
3.3036093363726E+19
Circumference
10187538869.363
Perimeter
6485588676
Area
2628928779641214561
Diagonal
2293001866.3931
Surface area
1.5773572677847E+19
Volume
4.2625376808129E+27
Space diagonal
2808342275.9563
Perimeter
4864191507
Area
1.1383595539547E+18
Altitude
1404171137.9782
Surface area
1.1383595539547E+18
Volume
5.0234488319433E+26
Height
764333955.46438