78897238 is an even 8-digits composite number following 78897237
and preceding 78897239 . In scientific notation, it is written as 7.8897238 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 31824000 positive integers (up to 78897238) that are relatively prime to 78897238.
78897238 has 16 divisors, whose sum is 143208864
The reverse of 78897238 is 83279887
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million eight hundred ninety-seven thousand two hundred thirty-eight
Scientific notation
7.8897238 × 10^7
Engineering notation
7.8897238 × 10^6
Prime Factorization
2 × 17 × 7 × 331501
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78897238
Product of the distinct prime numbers
The prime factorization of 78897238 is 2 × 17 × 7 × 331501.
Since it has a total of 4 prime factors.
9 , 7 , 53 , 1 , 444 , 511 , 3063 , 3052 , 37400 , 71686 , 417990 , 151603 , 307092 , 4281389 , 99143605 , 66077847 , 120742750 , 458946716 , 5259219560 , 1532362056
n×2
157794476
n×3
236691714
n×4
315588952
n×5
394486190
n÷2
39448619
n÷3
26299079.333333
n÷3
19724309.5
n÷5
15779447.6
n2
6224774164028644
n3
4.9111748871562E+23
n4
3.8747813393159E+31
n5
3.0570954552596E+39
2 √n
8882.4117220494
3 √n
428.89791330617
4 √n
94.246547533845
5 √n
37.967531328932
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 331501 , 663002 , 2320507 , 4641014 , 5635517 , 11271034 , 39448619 , 78897238
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897238 can be divided by 16 positive divisors.
The sum of these divisors (counting 78897238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100111110000001010110
3
Ternary
12111110101122221
4
Quaternary
10230332001112
5
Quinary
130144202423
6
Senary
11455012554
8
Octal
454760126
10
Decimal
78897238
12
Duodecimal
2250a15a
16
Hexadecimal
4b3e056
20
Vigesimal
14d231i
36
Base36
1az1hy
md5
9cd6f610b992cef19a15224d90f258e6
sha1
58462fcbb1c7f9b46e2c26ab5eacddd591543aee
sha256
b566a45b4a1d59fcdac0cde89a605f81c4433da1658d5c06eea3fe31a2baf035
sha512
12620db73e3a4b18936c6f197a23b3b1ee80ced1c43f4d56e7a3a6a2354f351ccf66e1772e241836b35252844201c1dd58caa0cd653ed862035f04c1ddabe9c2
ripemd-160
095e1daff15e7e12498064ae7b2370e900cabcc6
Diameter
157794476
Circumference
495725966.57865
Area
1.9555704783968E+16
Volume
2.0571881261313E+24
Surface area
7.8222819135872E+16
Circumference
495725966.57865
Perimeter
315588952
Area
6224774164028644
Diagonal
111577544.01338
Surface area
37348644984171864
Volume
4.9111748871562E+23
Space diagonal
136654024.79285
Perimeter
236691714
Area
2.6954062794349E+15
Altitude
68327012.396427
Surface area
2.6954062794349E+15
Volume
5.787875110502E+22
Height
37192514.671126