78989816 is an even 8-digits composite number following 78989815
and preceding 78989817 . In scientific notation, it is written as 7.8989816 × 10^7.
The sum of its digits is 56. It has a total of 6 prime factors and 32 positive divisors.
There are 38750208 positive integers (up to 78989816) that are relatively prime to 78989816.
78989816 has 32 divisors, whose sum is 150927840
The reverse of 78989816 is 61898987
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-eight million nine hundred eighty-nine thousand eight hundred sixteen
Scientific notation
7.8989816 × 10^7
Engineering notation
7.8989816 × 10^6
Prime Factorization
2 × 2 × 2 × 137 × 97 × 743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19747454
Product of the distinct prime numbers
The prime factorization of 78989816 is 2 × 2 × 2 × 137 × 97 × 743.
Since it has a total of 6 prime factors.
7 , 4 , 37 , 48 , 844 , 945 , 9023 , 5932 , 9224 , 22821 , 739891 , 414728 , 6424051 , 4128356 , 69106386 , 27701643 , 920274296 , 373392291 , 387648948 , 2016625684
n×2
157979632
n×3
236969448
n×4
315959264
n×5
394949080
n÷2
39494908
n÷3
26329938.666667
n÷3
19747454
n÷5
15797963.2
n2
6239391031713856
n3
4.9284834954713E+23
n4
3.8930000446631E+31
n5
3.0750735721593E+39
2 √n
8887.6215040921
3 √n
429.06560396981
4 √n
94.274182595725
5 √n
37.976437368192
1 , 2 , 4 , 8 , 97 , 137 , 194 , 274 , 388 , 548 , 743 , 776 , 1096 , 1486 , 2972 , 5944 , 13289 , 26578 , 53156 , 72071 , 101791 , 106312 , 144142 , 203582 , 288284 , 407164 , 576568 , 814328 , 9873727 , 19747454 , 39494908 , 78989816
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78989815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78989816 can be divided by 32 positive divisors.
The sum of these divisors (counting 78989816) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101101010100100111111000
3
Ternary
12111122002122202
4
Quaternary
10231110213320
5
Quinary
130210133231
6
Senary
11501005332
8
Octal
455244770
10
Decimal
78989816
12
Duodecimal
22553848
16
Hexadecimal
4b549f8
20
Vigesimal
14ddeag
36
Base36
1b10xk
md5
eecee09a237653c539a2618386ba428c
sha1
1e3039dd740f291f23e4ed8b57f148d76a37d20c
sha256
379981337e353dfc7fa8232e495fc343990c667dace6da88c3300ea1fdfef890
sha512
946eb5a869f6f1340cbef54b85a7b6a359ebe66244581e6002ef6b777a82466c5a9d634431ca44d80079a8f86e817fe551e5cc7a838c007bb01cb635dd81bef1
ripemd-160
4c1d3c2e6c23252e6cd0abb309413c12d23f05b6
Diameter
157979632
Circumference
496307651.30802
Area
1.9601625028106E+16
Volume
2.0644383390281E+24
Surface area
7.8406500112425E+16
Circumference
496307651.30802
Perimeter
315959264
Area
6239391031713856
Diagonal
111708469.07656
Surface area
37436346190283136
Volume
4.9284834954713E+23
Space diagonal
136814374.59252
Perimeter
236969448
Area
2.7017355688045E+15
Altitude
68407187.296259
Surface area
2.7017355688045E+15
Volume
5.8082735010229E+22
Height
37236156.358852