18961572 is an even 8-digits composite number following 18961571
and preceding 18961573 . In scientific notation, it is written as 1.8961572 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 5417568 positive integers (up to 18961572) that are relatively prime to 18961572.
18961572 has 12 divisors, whose sum is 34763036
The reverse of 18961572 is 27516981
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million nine hundred sixty-one thousand five hundred seventy-two
Scientific notation
1.8961572 × 10^7
Engineering notation
1.8961572 × 10^6
Prime Factorization
2 × 2 × 21 × 225733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9480786
Product of the distinct prime numbers
The prime factorization of 18961572 is 2 × 2 × 21 × 225733.
Since it has a total of 4 prime factors.
9 , 2 , 75 , 37 , 506 , 857 , 2041 , 8871 , 75213 , 49917 , 284277 , 493277 , 9885472 , 8727750 , 69070763 , 69495430 , 148523744 , 934264651 , 3053298424 , 3841067249
n×2
37923144
n×3
56884716
n×4
75846288
n×5
94807860
n÷2
9480786
n÷3
6320524
n÷3
4740393
n÷5
3792314.4
n2
359541212711184
n3
6.8174665917904E+21
n4
1.2926988363783E+29
n5
2.4511602060303E+36
2 √n
4354.4887185524
3 √n
266.66014636835
4 √n
65.988549904907
5 √n
28.547946085454
1 , 2 , 4 , 21 , 42 , 84 , 225733 , 451466 , 902932 , 4740393 , 9480786 , 18961572
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
-18961571
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 18961572 can be divided by 12 positive divisors.
The sum of these divisors (counting 18961572) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000010101010010100100
3
Ternary
1022200100101110
4
Quaternary
1020111102210
5
Quinary
14323232242
6
Senary
1514225020
8
Octal
110252244
10
Decimal
18961572
12
Duodecimal
6425170
16
Hexadecimal
12154a4
20
Vigesimal
5ia3ic
36
Base36
baeuc
md5
01e54111718ce1749aafa94c6cf53124
sha1
5824fcc0c3c4244521372e753130c896aeaeb8f1
sha256
49fe28c8b093b51017e4b0b305558d29de4c329685f3aea268c3cebf54826bd5
sha512
41e3496d5bf34c97b445a881b06820b88a6ad4e8286da500b2cdc0a6a0e8de4dcd843e76fcefe6b804226403e47b282b39be457c5c4d96fb72b951e681a63e94
ripemd-160
2bdcdb73b96f4facbd775d357ff9c116e8e8bdfb
Diameter
37923144
Circumference
119139070.59143
Area
1.1295320325162E+15
Volume
2.855693728115E+22
Surface area
4.5181281300649E+15
Circumference
119139070.59143
Perimeter
75846288
Area
359541212711184
Diagonal
26815712.286314
Surface area
2157247276267104
Volume
6.8174665917904E+21
Space diagonal
32842406.095375
Perimeter
56884716
Area
1.5568591195767E+14
Altitude
16421203.047688
Surface area
1.5568591195767E+14
Volume
8.0344614292796E+20
Height
8938570.7621046