78897169 is an odd 8-digits composite number following 78897168
and preceding 78897170 . In scientific notation, it is written as 7.8897169 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 72405120 positive integers (up to 78897169) that are relatively prime to 78897169.
78897169 has 8 divisors, whose sum is 85459752
The reverse of 78897169 is 96179887
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million eight hundred ninety-seven thousand one hundred sixty-nine
Scientific notation
7.8897169 × 10^7
Engineering notation
7.8897169 × 10^6
Prime Factorization
13 × 173 × 35081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78897169
Product of the distinct prime numbers
The prime factorization of 78897169 is 13 × 173 × 35081.
Since it has a total of 3 prime factors.
10 , 6 , 78 , 31 , 54 , 320 , 6357 , 2448 , 88961 , 89527 , 691605 , 638539 , 4398963 , 2666684 , 21806768 , 69177439 , 869958967 , 324851458 , 4433343912 , 6331082081
n×2
157794338
n×3
236691507
n×4
315588676
n×5
394485845
n÷2
39448584.5
n÷3
26299056.333333
n÷3
19724292.25
n÷5
15779433.8
n2
6224763276214561
n3
4.9111620018849E+23
n4
3.8747677844909E+31
n5
3.0570820872874E+39
2 √n
8882.4078379683
3 √n
428.89778827449
4 √n
94.246526927883
5 √n
37.967524687988
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
-78897168
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 78897169 can be divided by 8 positive divisors.
The sum of these divisors (counting 78897169) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111110000000010001
3
Ternary
12111110101120101
4
Quaternary
10230332000101
5
Quinary
130144202134
6
Senary
11455012401
8
Octal
454760021
10
Decimal
78897169
12
Duodecimal
2250a101
16
Hexadecimal
4b3e011
20
Vigesimal
14d22i9
36
Base36
1az1g1
md5
274217b458cbf7f05c06495c9079da7a
sha1
84f113fafcb3e024bb516d66564c0f251bd4b3bd
sha256
eccfc9cf60fb1d7f32f11892303fa2873c383c8bd6a936adf39ee8221e2f3776
sha512
bea0fb0fef4173159a564c9c059e618aa6acb23926cbcdec747d9b207617e25d036e7323b8bb28a56be90f6aa9bb16109088db2fcd38d8831015e86c60013fc7
ripemd-160
b007dac90a943604f4511d43400e2b6807bea613
Diameter
157794338
Circumference
495725533.03886
Area
1.9555670578891E+16
Volume
2.0571827287615E+24
Surface area
7.8222682315565E+16
Circumference
495725533.03886
Perimeter
315588676
Area
6224763276214561
Diagonal
111577446.43264
Surface area
37348579657287366
Volume
4.9111620018849E+23
Space diagonal
136653905.28135
Perimeter
236691507
Area
2.6954015648731E+15
Altitude
68326952.640674
Surface area
2.6954015648731E+15
Volume
5.7878599250642E+22
Height
37192482.144214