1621390268 is an even 10-digits composite number following 1621390267
and preceding 1621390269 . In scientific notation, it is written as 1.621390268 × 10^9.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 809312880 positive integers (up to 1621390268) that are relatively prime to 1621390268.
1621390268 has 12 divisors, whose sum is 2842270872
The reverse of 1621390268 is 8620931261
Previous prime number is 587
Is Prime? no Number parity even Number length 10 Sum of Digits 38 Digital Root 2
Name
one billion six hundred twenty-one million three hundred ninety thousand two hundred sixty-eight
Scientific notation
1.621390268 × 10^9
Engineering notation
1.621390268 × 10^9
Prime Factorization
2 × 2 × 587 × 690541
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
810695134 Product of the distinct prime numbers
The prime factorization of 1621390268 is 2 × 2 × 587 × 690541.
Since it has a total of 4 prime factors.
10 , 4 , 76 , 26 , 492 , 83 , 2047 , 2193 , 89895 , 50622 , 928914 , 126613 , 9002870 , 9284766 , 11304303 , 52639334 , 640141782 , 203486729 , 8189093565 , 6759675126
n×2
3242780536
n×3
4864170804
n×4
6485561072
n×5
8106951340
n÷2
810695134
n÷3
540463422.66667
n÷3
405347567
n÷5
324278053.6
n2
2628906401165111824
n3
4.262483254332E+27
n4
6.9111488660869E+36
n5
1.1205669512173E+46
2 √n40266.490634273
3 √n1174.7961663622
4 √n200.66512062208
5 √n69.498833041216
1 , 2 , 4 , 587 , 1174 , 2348 , 690541 , 1381082 , 2762164 , 405347567 , 810695134 , 1621390268
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
-1621390267 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 1621390268 can be divided by 12 positive divisors.
The sum of these divisors (counting 1621390268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100000101001000111001110111100
3
Ternary
11011222221011022102
4
Quaternary
1200221013032330
5
Quinary
11310033442033
6
Senary
424520004232
8
Octal
14051071674
10
Decimal
1621390268
12
Duodecimal
393000678
16
Hexadecimal
60a473bc
20
Vigesimal
156ddfd8
36
Base36
qtc0qk
md5
afaf5071173f0585280bcdbac17a1ad2
sha1
8a025c3eae5d0a967098b8c3c7981f9a11f91e45
sha256
86b286f99ba9b3b9d859319e1ea6e745e0021d560e7514571bf4822bd4c48dad
sha512
ed4036267e2f8d734b22af0b843bfc7a30c5e0f3ba6d3613f43a661f7573902c319d9f11365a46f4c730c91c802b35cbc782f8732bb88c7b958d26db60a5548b
ripemd-160
0d006f04cb31310884ffa30c0458385e5756221c
Diameter
3242780536
Circumference
10187495509.102
Area
8.2589530368755E+18
Volume
1.7854648103812E+28
Surface area
3.3035812147502E+19
Circumference
10187495509.102
Perimeter
6485561072
Area
2628906401165111824
Diagonal
2292992106.9053
Surface area
1.5773438406991E+19
Volume
4.262483254332E+27
Space diagonal
2808330323.0737
Perimeter
4864170804
Area
1.1383498637903E+18
Altitude
1404165161.5369
Surface area
1.1383498637903E+18
Volume
5.0233846897205E+26
Height
764330702.30178