1621961331 is an odd 10-digits composite number following 1621961330
and preceding 1621961332 . In scientific notation, it is written as 1.621961331 × 10^9.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 1080970440 positive integers (up to 1621961331) that are relatively prime to 1621961331.
1621961331 has 8 divisors, whose sum is 2163289344
The reverse of 1621961331 is 1331691261
Previous prime number is 3271
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 33
Digital Root 6
Name
one billion six hundred twenty-one million nine hundred sixty-one thousand three hundred thirty-one
Scientific notation
1.621961331 × 10^9
Engineering notation
1.621961331 × 10^9
Prime Factorization
3 × 3271 × 165287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1621961331
Product of the distinct prime numbers
The prime factorization of 1621961331 is 3 × 3271 × 165287.
Since it has a total of 3 prime factors.
10 , 4 , 10 , 8 , 570 , 14 , 4118 , 9407 , 65208 , 20387 , 128458 , 61389 , 7237651 , 2597143 , 57456438 , 79408123 , 107703108 , 687829430 , 1723704941 , 2818068744
n×2
3243922662
n×3
4865883993
n×4
6487845324
n×5
8109806655
n÷2
810980665.5
n÷3
540653777
n÷3
405490332.75
n÷5
324392266.2
n2
2630758559259291561
n3
4.2669886543158E+27
n4
6.920890597116E+36
n5
1.1225416924604E+46
2 √n
40273.581055079
3 √n
1174.9340735004
4 √n
200.68278714199
5 √n
69.503727929596
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
-1621961330
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 1621961331 can be divided by 8 positive divisors.
The sum of these divisors (counting 1621961331) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000101011010010101001110011
3
Ternary
11012001000011122220
4
Quaternary
1200223102221303
5
Quinary
11310210230311
6
Senary
424540132123
8
Octal
14053225163
10
Decimal
1621961331
12
Duodecimal
393237043
16
Hexadecimal
60ad2a73
20
Vigesimal
156h536b
36
Base36
qto9df
md5
90d5f327d38efd7c7ee8f7e97e304512
sha1
3088065531e5908d31523a2bc919314f9e2046c6
sha256
8bb91b7626710a28ecb34f7503fb8e8294eac31ed87731df171c1cb362e2a523
sha512
98c19abbd7b15f5b59cd0ef614dd9bfef999fea67eaa1541f1966a7620658dfd9ed001ffb2dbcbf53cfbaf87d5917382f681fbe2cad5a8466da770134c020b8c
ripemd-160
78f511304ac46302f4e80e0d5071496956b896af
Diameter
3243922662
Circumference
10191083603.753
Area
8.2647717631375E+18
Volume
1.7873520279133E+28
Surface area
3.305908705255E+19
Circumference
10191083603.753
Perimeter
6487845324
Area
2630758559259291561
Diagonal
2293799711.9449
Surface area
1.5784551355556E+19
Volume
4.2669886543158E+27
Space diagonal
2809319433.204
Perimeter
4865883993
Area
1.1391518717709E+18
Altitude
1404659716.602
Surface area
1.1391518717709E+18
Volume
5.0286943545213E+26
Height
764599903.98164