78889665 is an odd 8-digits composite number following 78889664
and preceding 78889666 . In scientific notation, it is written as 7.8889665 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 42074480 positive integers (up to 78889665) that are relatively prime to 78889665.
78889665 has 8 divisors, whose sum is 126223488
The reverse of 78889665 is 56698887
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
seventy-eight million eight hundred eighty-nine thousand six hundred sixty-five
Scientific notation
7.8889665 × 10^7
Engineering notation
7.8889665 × 10^6
Prime Factorization
5 × 3 × 5259311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78889665
Product of the distinct prime numbers
The prime factorization of 78889665 is 5 × 3 × 5259311.
Since it has a total of 3 prime factors.
5 , 7 , 16 , 13 , 387 , 852 , 136 , 4617 , 502 , 42112 , 105732 , 405442 , 2313389 , 2295821 , 44547351 , 86486002 , 124139411 , 961912405 , 760035662 , 6166457821
n×2
157779330
n×3
236668995
n×4
315558660
n×5
394448325
n÷2
39444832.5
n÷3
26296555
n÷3
19722416.25
n÷5
15777933
n2
6223579243812225
n3
4.909760816453E+23
n4
3.873293860401E+31
n5
3.0556285509359E+39
2 √n
8881.9854199385
3 √n
428.88419019027
4 √n
94.244285874203
5 √n
37.966802433569
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
-78889664
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 78889665 can be divided by 8 positive divisors.
The sum of these divisors (counting 78889665) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111100001011000001
3
Ternary
12111110000021110
4
Quaternary
10230330023001
5
Quinary
130143432130
6
Senary
11454513533
8
Octal
454741301
10
Decimal
78889665
12
Duodecimal
225058a9
16
Hexadecimal
4b3c2c1
20
Vigesimal
14d1435
36
Base36
1ayvnl
md5
635fc5d6f654e79fdfcfd54503c73f28
sha1
7c54ece54b308e88718b15b8533a98b6308158e5
sha256
a4f6cd3c2b61a5b397e71b0bedd0fa552d8ae36efaf8e41ceabbb1b8331923af
sha512
4521f3858d9491ecc43ffa2b31e7aafe16c5d01c8cbccc6a15ca5c799e1e5869afb3763a80a26e387b614d440d6408f3b5c0fd40c4bf1de90c63cc156c50adc0
ripemd-160
6ea8f66ce56131a2127c3861360e969043c2be02
Diameter
157779330
Circumference
495678384.01632
Area
1.9551950831394E+16
Volume
2.0565958015802E+24
Surface area
7.8207803325578E+16
Circumference
495678384.01632
Perimeter
315558660
Area
6223579243812225
Diagonal
111566834.17407
Surface area
37341475462873350
Volume
4.909760816453E+23
Space diagonal
136640907.97209
Perimeter
236668995
Area
2.6948888638035E+15
Altitude
68320453.986044
Surface area
2.6948888638035E+15
Volume
5.7862086121965E+22
Height
37188944.72469