1621387225 is an odd 10-digits composite number following 1621387224
and preceding 1621387226 . In scientific notation, it is written as 1.621387225 × 10^9.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 1291391120 positive integers (up to 1621387225) that are relatively prime to 1621387225.
1621387225 has 12 divisors, whose sum is 2019384144
The reverse of 1621387225 is 5227831261
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion six hundred twenty-one million three hundred eighty-seven thousand two hundred twenty-five
Scientific notation
1.621387225 × 10^9
Engineering notation
1.621387225 × 10^9
Prime Factorization
5 × 5 × 227 × 285707
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
324277445
Product of the distinct prime numbers
The prime factorization of 1621387225 is 5 × 5 × 227 × 285707.
Since it has a total of 4 prime factors.
6 , 3 , 54 , 24 , 968 , 489 , 5821 , 2683 , 97688 , 63063 , 197680 , 418356 , 3295753 , 6049011 , 71903752 , 90157222 , 70699216 , 806004272 , 8046253298 , 3822396535
n×2
3242774450
n×3
4864161675
n×4
6485548900
n×5
8106936125
n÷2
810693612.5
n÷3
540462408.33333
n÷3
405346806.25
n÷5
324277445
n2
2628896533393200625
n3
4.2624592550905E+27
n4
6.9110969832868E+36
n5
1.1205564359437E+46
2 √n
40266.452848494
3 √n
1174.7954314153
4 √n
200.66502647072
5 √n
69.498806954331
1 , 5 , 25 , 227 , 1135 , 5675 , 285707 , 1428535 , 7142675 , 64855489 , 324277445 , 1621387225
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
-1621387224
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 1621387225 can be divided by 12 positive divisors.
The sum of these divisors (counting 1621387225) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100000101001000110011111011001
3
Ternary
11011222221000010201
4
Quaternary
1200221012133121
5
Quinary
11310033342400
6
Senary
424515542201
8
Octal
14051063731
10
Decimal
1621387225
12
Duodecimal
392bba961
16
Hexadecimal
60a467d9
20
Vigesimal
156dd815
36
Base36
qtbye1
md5
14736f4639c317e3baf3d11b8670277c
sha1
97a88e743497b8bab4e5610febea6fdb9bcd580a
sha256
b78089ff45011da7d9627779055d4335ff20bcc37f0f8cdce7a3eae6740866ec
sha512
bb02739ff13828a6b0c6764734e9160e079fd73cf61a0e9d2c1e1cd9d06c97752d9cc92c17d62408284bfb9ca5cb7616f1caa5fb48f26be8a81d138b98d78d85
ripemd-160
0dcf00cb9de3115428ef0c3d7d88a6a87b84413f
Diameter
3242774450
Circumference
10187476389.369
Area
8.2589220363558E+18
Volume
1.7854547576024E+28
Surface area
3.3035688145423E+19
Circumference
10187476389.369
Perimeter
6485548900
Area
2628896533393200625
Diagonal
2292987803.4535
Surface area
1.5773379200359E+19
Volume
4.2624592550905E+27
Space diagonal
2808325052.4431
Perimeter
4864161675
Area
1.1383455909197E+18
Altitude
1404162526.2216
Surface area
1.1383455909197E+18
Volume
5.0233564063431E+26
Height
764329267.81783