100145721 is an odd 9-digits composite number following 100145720
and preceding 100145722 . In scientific notation, it is written as 1.00145721 × 10^8.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 61267776 positive integers (up to 100145721) that are relatively prime to 100145721.
100145721 has 8 divisors, whose sum is 103314240
The reverse of 100145721 is 127541001
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred million one hundred forty-five thousand seven hundred twenty-one
Scientific notation
1.00145721 × 10^8
Engineering notation
1.00145721 × 10^6
Prime Factorization
39 × 173 × 14843
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
100145721
Product of the distinct prime numbers
The prime factorization of 100145721 is 39 × 173 × 14843.
Since it has a total of 3 prime factors.
10 , 4 , 1 , 65 , 192 , 989 , 7202 , 8767 , 11838 , 59508 , 164342 , 216323 , 1236154 , 7977847 , 20246031 , 48826850 , 121227119 , 741319366 , 3701749975 , 9179551260
n×2
200291442
n×3
300437163
n×4
400582884
n×5
500728605
n÷2
50072860.5
n÷3
33381907
n÷3
25036430.25
n÷5
20029144.2
n2
10029165434609841
n3
1.0043780034773E+24
n4
1.0058415931477E+32
n5
1.0073073155757E+40
2 √n
10007.283397606
3 √n
464.38423292496
4 √n
100.03641035946
5 √n
39.822312813336
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
-100145720
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 100145721 can be divided by 8 positive divisors.
The sum of these divisors (counting 100145721) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111110000001101000111001
3
Ternary
20222102221002210
4
Quaternary
11332001220321
5
Quinary
201114130341
6
Senary
13534245333
8
Octal
576015071
10
Decimal
100145721
12
Duodecimal
29656849
16
Hexadecimal
5f81a39
20
Vigesimal
1b5i461
36
Base36
1nmgxl
md5
571353455d318fdf772658cc8e758e97
sha1
b53d6ccb8b7b89640f38609d605af495123b1f84
sha256
50411c78901c1666e291321fa1e7fc0c820bdbe02b2a2ec7582c2ebd8dd04e46
sha512
4b8fc082b935824c378ebf25818f9fca34e640f4969d55584d05fb7e51d74a0fa590c0e20c1602c0a617af1ec702940bab53ec9087cbd88553b28b6e4fa3043a
ripemd-160
e394c0f34bdc1cdbeece575c9dda55fc68c33860
Diameter
200291442
Circumference
629234122.76411
Area
3.1507552451007E+16
Volume
4.2071287428685E+24
Surface area
1.2603020980403E+17
Circumference
629234122.76411
Perimeter
400582884
Area
10029165434609841
Diagonal
141627436.85183
Surface area
60174992607659046
Volume
1.0043780034773E+24
Space diagonal
173457476.93262
Perimeter
300437163
Area
4.3427560225645E+15
Altitude
86728738.466309
Surface area
4.3427560225645E+15
Volume
1.1836708285557E+23
Height
47209145.617277