1621393 is an odd 7-digits composite number following 1621392
and preceding 1621394 . In scientific notation, it is written as 1.621393 × 10^6.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 1555200 positive integers (up to 1621393) that are relatively prime to 1621393.
1621393 has 8 divisors, whose sum is 1688576
The reverse of 1621393 is 3931261
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
one million six hundred twenty-one thousand three hundred ninety-three
Scientific notation
1.621393 × 10^6
Engineering notation
1.621393 × 10^6
Prime Factorization
31 × 193 × 271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1621393
Product of the distinct prime numbers
The prime factorization of 1621393 is 31 × 193 × 271.
Since it has a total of 3 prime factors.
8 , 3 , 99 , 5 , 171 , 627 , 9583 , 7443 , 16368 , 87462 , 80320 , 927992 , 6075080 , 2649052 , 14108161 , 811527 , 91100527 , 929445278 , 8208524205 , 7810193784
n×2
3242786
n×3
4864179
n×4
6485572
n×5
8106965
n÷2
810696.5
n÷3
540464.33333333
n÷3
405348.25
n÷5
324278.6
n2
2628915260449
n3
4262504800885185457
n4
6.9111954466216E+24
n5
1.1205763918784E+31
2 √n
1273.3393106317
3 √n
117.47968261953
4 √n
35.683880263106
5 √n
17.457323455218
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1621392
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1621393 can be divided by 8 positive divisors.
The sum of these divisors (counting 1621393) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001011110110010001
3
Ternary
10001101010121
4
Quaternary
12023312101
5
Quinary
403341033
6
Senary
54430241
8
Octal
6136621
10
Decimal
1621393
12
Duodecimal
662381
16
Hexadecimal
18bd91
20
Vigesimal
a2d9d
36
Base36
yr2p
md5
d88eaa454fe0ce0f75fcc859375152f3
sha1
89424a48a5d6cb2dcbb8df2e6242520d630b195a
sha256
dc399d54a98ed4e78b248f9ef03674dc283f3100cb5205b550424b460eaaba92
sha512
1b3db63edd40dfd50b2be346f759a997ef9d584d4eed3336be28cab868d537f687eef9c0b6fb8c274baae428326af29f6926f542967f56ceec06947c57f71132
ripemd-160
5ff20a160fbe0e8e9df2e5e6c825b721ff6c1887
Diameter
3242786
Circumference
10187512.674764
Area
8258980869136.7
Volume
1.7854738357803E+19
Surface area
33035923476547
Circumference
10187512.674764
Perimeter
6485572
Area
2628915260449
Diagonal
2292995.9705368
Surface area
15773491562694
Volume
4262504800885185457
Space diagonal
2808335.0550365
Perimeter
4864179
Area
1138353699972.7
Altitude
1404167.5275183
Surface area
1138353699972.7
Volume
5.0234100825769E+17
Height
764331.99017893