72051805 is an odd 8-digits composite number following 72051804
and preceding 72051806 . In scientific notation, it is written as 7.2051805 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 47698560 positive integers (up to 72051805) that are relatively prime to 72051805.
72051805 has 8 divisors, whose sum is 82434176
The reverse of 72051805 is 50815027
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-two million fifty-one thousand eight hundred five
Scientific notation
7.2051805 × 10^7
Engineering notation
7.2051805 × 10^6
Prime Factorization
1015 × 7 × 10141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72051805
Product of the distinct prime numbers
The prime factorization of 72051805 is 1015 × 7 × 10141.
Since it has a total of 3 prime factors.
10 , 9 , 28 , 35 , 210 , 343 , 7550 , 7269 , 73846 , 80869 , 213506 , 634579 , 9064046 , 9760609 , 15232594 , 59142386 , 139324997 , 725140068 , 8644949025 , 6643671882
n×2
144103610
n×3
216155415
n×4
288207220
n×5
360259025
n÷2
36025902.5
n÷3
24017268.333333
n÷3
18012951.25
n÷5
14410361
n2
5191462603758025
n3
3.7405425119077E+23
n4
2.6951283966218E+31
n5
1.9418886568336E+39
2 √n
8488.333464232
3 √n
416.1165173031
4 √n
92.132152174102
5 √n
37.284555768011
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
-72051804
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 72051805 can be divided by 8 positive divisors.
The sum of these divisors (counting 72051805) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010110110110001011101
3
Ternary
12000120121111101
4
Quaternary
10102312301131
5
Quinary
121421124210
6
Senary
11052153101
8
Octal
422666135
10
Decimal
72051805
12
Duodecimal
20168791
16
Hexadecimal
44b6c5d
20
Vigesimal
12a69a5
36
Base36
16wbj1
md5
924776706a137b4b62b562aaf8abde97
sha1
71888e251832d84a72f4a5a85f603b387bc6ccf2
sha256
d6b27855a318a13c788d529c99586e1f43ce2c809012728e94ce901b7b2a0660
sha512
751a76326eef7b70715379030c7f6065bef75967824260f79b20045cb88961c297e7029bcb9509a53af8130052bd85922b288b9348d47d9efd531bac434030f7
ripemd-160
65f2b5eeb22046492be08b4f30b6b8ef62262e51
Diameter
144103610
Circumference
452714842.53177
Area
1.6309460777352E+16
Volume
1.5668347834466E+24
Surface area
6.5237843109409E+16
Circumference
452714842.53177
Perimeter
288207220
Area
5191462603758025
Diagonal
101896639.82446
Surface area
31148775622548150
Volume
3.7405425119077E+23
Space diagonal
124797387.03705
Perimeter
216155415
Area
2.2479692488257E+15
Altitude
62398693.518523
Surface area
2.2479692488257E+15
Volume
4.4082716258108E+22
Height
33965546.608154