71899728 is an even 8-digits composite number following 71899727
and preceding 71899729 . In scientific notation, it is written as 7.1899728 × 10^7.
The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors.
There are 23966560 positive integers (up to 71899728) that are relatively prime to 71899728.
71899728 has 20 divisors, whose sum is 185741088
The reverse of 71899728 is 82799817
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-one million eight hundred ninety-nine thousand seven hundred twenty-eight
Scientific notation
7.1899728 × 10^7
Engineering notation
7.1899728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1497911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8987466
Product of the distinct prime numbers
The prime factorization of 71899728 is 2 × 2 × 2 × 2 × 3 × 1497911.
Since it has a total of 6 prime factors.
3 , 7 , 96 , 94 , 79 , 972 , 5453 , 6631 , 57732 , 2323 , 755622 , 181673 , 6875303 , 7622032 , 88742934 , 35842622 , 654842367 , 348313347 , 117766167 , 8725857963
n×2
143799456
n×3
215699184
n×4
287598912
n×5
359498640
n÷2
35949864
n÷3
23966576
n÷3
17974932
n÷5
14379945.6
n2
5169570886473984
n3
3.716907406142E+23
n4
2.6724463150279E+31
n5
1.9214816314511E+39
2 √n
8479.3707313692
3 √n
415.82355066144
4 √n
92.083498692052
5 √n
37.268803444959
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1497911 , 2995822 , 4493733 , 5991644 , 8987466 , 11983288 , 17974932 , 23966576 , 35949864 , 71899728
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71899727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71899728 can be divided by 20 positive divisors.
The sum of these divisors (counting 71899728) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010010010001101001010000
3
Ternary
12000021212212220
4
Quaternary
10102101221100
5
Quinary
121401242403
6
Senary
11045021040
8
Octal
422215120
10
Decimal
71899728
12
Duodecimal
200b4780
16
Hexadecimal
4491a50
20
Vigesimal
1297968
36
Base36
16t26o
md5
e10bf00cb8712b1308c5e1213e38537d
sha1
7ebb53ac1c0f6a333208fcf1f94a1e837f6a9a54
sha256
0e6aa1ab088d58732bad82d1955c1d9e4be5c71a7ffaae3f222d219da9d74a26
sha512
508d161a94d2b70c37d57bbdc8082a244a393e86368356021b16948c3aeb46d2e752321001bc76aed30155b79cc15b88f8b450c3f3c7faa57ebc491181883987
ripemd-160
c9279748978a9a47ad44820e4c9767786c1d5087
Diameter
143799456
Circumference
451759314.55981
Area
1.6240685919158E+16
Volume
1.5569345334946E+24
Surface area
6.4962743676633E+16
Circumference
451759314.55981
Perimeter
287598912
Area
5169570886473984
Diagonal
101681570.46854
Surface area
31017425318843904
Volume
3.716907406142E+23
Space diagonal
124533981.94638
Perimeter
215699184
Area
2.2384898571755E+15
Altitude
62266990.973191
Surface area
2.2384898571755E+15
Volume
4.3804173865425E+22
Height
33893856.822846