78728222 is an even 8-digits composite number following 78728221
and preceding 78728223 . In scientific notation, it is written as 7.8728222 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 39350952 positive integers (up to 78728222) that are relatively prime to 78728222.
78728222 has 8 divisors, whose sum is 118131816
The reverse of 78728222 is 22282787
Previous prime number is 8563
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million seven hundred twenty-eight thousand two hundred twenty-two
Scientific notation
7.8728222 × 10^7
Engineering notation
7.8728222 × 10^6
Prime Factorization
2 × 8563 × 4597
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78728222
Product of the distinct prime numbers
The prime factorization of 78728222 is 2 × 8563 × 4597.
Since it has a total of 3 prime factors.
9 , 1 , 7 , 83 , 915 , 484 , 7422 , 9935 , 83019 , 15052 , 256310 , 148313 , 8376734 , 230189 , 12470542 , 11079006 , 949820183 , 294402038 , 5621455719 , 7969621665
n×2
157456444
n×3
236184666
n×4
314912888
n×5
393641110
n÷2
39364111
n÷3
26242740.666667
n÷3
19682055.5
n÷5
15745644.4
n2
6198132939281284
n3
4.8796798602925E+23
n4
3.8416851933004E+31
n5
3.0244904475226E+39
2 √n
8872.892538513
3 √n
428.59142841058
4 √n
94.19603249879
5 √n
37.951250337875
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
-78728221
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 78728222 can be divided by 8 positive divisors.
The sum of these divisors (counting 78728222) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100010100110000011110
3
Ternary
12111010210211002
4
Quaternary
10230110300132
5
Quinary
130123300342
6
Senary
11451230302
8
Octal
454246036
10
Decimal
78728222
12
Duodecimal
22448392
16
Hexadecimal
4b14c1e
20
Vigesimal
14c10b2
36
Base36
1avf32
md5
9a67b138b82686a976a863ed953d9d12
sha1
684c7a3739bc71259f59497c607136e2c4ffbbd5
sha256
7e1437d43897b6ba5466f69ceeb38ced90f532351836ac4df6d56010f47e8027
sha512
56afb0a27a2434fa060aaf45f565421989d3139e2c6c19195e7e3a604a1a385aebff843fe92cfdd2cb03345fd2a1191846f08156b31a2c76edb4958e5e9de1a1
ripemd-160
b90cdf9da0754076eeb52d0a274b8802e275b63a
Diameter
157456444
Circumference
494664007.73077
Area
1.9472008908019E+16
Volume
2.0439955201287E+24
Surface area
7.7888035632076E+16
Circumference
494664007.73077
Perimeter
314912888
Area
6198132939281284
Diagonal
111338519.29392
Surface area
37188797635687704
Volume
4.8796798602925E+23
Space diagonal
136361280.49356
Perimeter
236184666
Area
2.6838702907254E+15
Altitude
68180640.246781
Surface area
2.6838702907254E+15
Volume
5.7507578653871E+22
Height
37112839.76464