72019945 is an odd 8-digits composite number following 72019944
and preceding 72019946 . In scientific notation, it is written as 7.2019945 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 56058624 positive integers (up to 72019945) that are relatively prime to 72019945.
72019945 has 8 divisors, whose sum is 88759944
The reverse of 72019945 is 54991027
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million nineteen thousand nine hundred forty-five
Scientific notation
7.2019945 × 10^7
Engineering notation
7.2019945 × 10^6
Prime Factorization
5 × 37 × 389297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72019945
Product of the distinct prime numbers
The prime factorization of 72019945 is 5 × 37 × 389297.
Since it has a total of 3 prime factors.
6 , 9 , 100 , 73 , 913 , 122 , 1203 , 4420 , 81225 , 63363 , 612942 , 909771 , 8205591 , 9274515 , 87798963 , 43168763 , 20039978 , 363210253 , 4705980922 , 9869684328
n×2
144039890
n×3
216059835
n×4
288079780
n×5
360099725
n÷2
36009972.5
n÷3
24006648.333333
n÷3
18004986.25
n÷5
14403989
n2
5186872477803025
n3
3.7355827057339E+23
n4
2.690364610099E+31
n5
1.9375991124928E+39
2 √n
8486.4565632542
3 √n
416.05517520445
4 √n
92.121965693607
5 √n
37.281257873928
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
-72019944
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 72019945 can be divided by 8 positive divisors.
The sum of these divisors (counting 72019945) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010101110111111101001
3
Ternary
12000111222210101
4
Quaternary
10102232333221
5
Quinary
121414114240
6
Senary
11051345401
8
Octal
422567751
10
Decimal
72019945
12
Duodecimal
20152261
16
Hexadecimal
44aefe9
20
Vigesimal
12a29h5
36
Base36
16vmy1
md5
87813c181816bb16e48310b9d06e6f18
sha1
8499e58f1d04890c423ca41a2bc4727ac5ba36e9
sha256
8d83e1867cd740b0a3844e3a17e165a1828a2f5f385c86425f376a14fcf5ebcc
sha512
6c8baad42a5f7a1b1ac5944eaa340f0d84cf7767c5c04779ddb1e95d1a5b32b93f8bbb1920850ae9eb3e908f6c83b763414d22ae065e7ae0b468d45fe1fd83d9
ripemd-160
f91d6a816a83fe0636c9f64c557c83ec636ce807
Diameter
144039890
Circumference
452514660.24788
Area
1.6295040471373E+16
Volume
1.5647572246948E+24
Surface area
6.5180161885492E+16
Circumference
452514660.24788
Perimeter
288079780
Area
5186872477803025
Diagonal
101851582.98036
Surface area
31121234866818150
Volume
3.7355827057339E+23
Space diagonal
124742203.89832
Perimeter
216059835
Area
2.2459816659839E+15
Altitude
62371101.949158
Surface area
2.2459816659839E+15
Volume
4.4024264381794E+22
Height
33950527.660121