78840690 is an even 8-digits composite number following 78840689
and preceding 78840691 . In scientific notation, it is written as 7.8840690 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 19768320 positive integers (up to 78840690) that are relatively prime to 78840690.
78840690 has 16 divisors, whose sum is 126330624
The reverse of 78840690 is 09604887
Previous prime number is 2983
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million eight hundred forty thousand six hundred ninety
Scientific notation
7.8840690 × 10^7
Engineering notation
7.8840690 × 10^6
Prime Factorization
2 × 15 × 2983 × 881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78840690
Product of the distinct prime numbers
The prime factorization of 78840690 is 2 × 15 × 2983 × 881.
Since it has a total of 4 prime factors.
3 , 9 , 67 , 28 , 162 , 149 , 4239 , 7473 , 97442 , 99628 , 467561 , 201154 , 2901229 , 1327544 , 22670760 , 43077799 , 315082620 , 360895270 , 5947275840 , 1834096585
n×2
157681380
n×3
236522070
n×4
315362760
n×5
394203450
n÷2
39420345
n÷3
26280230
n÷3
19710172.5
n÷5
15768138
n2
6215854399676100
n3
4.9006224981E+23
n4
3.8636845917973E+31
n5
3.0461555915967E+39
2 √n
8879.2280069835
3 √n
428.79542084685
4 √n
94.229655666268
5 √n
37.96208727587
1 , 2 , 15 , 30 , 881 , 1762 , 2983 , 5966 , 13215 , 26430 , 44745 , 89490 , 2628023 , 5256046 , 39420345 , 78840690
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
-78840689
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 78840690 can be divided by 16 positive divisors.
The sum of these divisors (counting 78840690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100110000001101110010
3
Ternary
12111100112002120
4
Quaternary
10230300031302
5
Quinary
130140400230
6
Senary
11453455110
8
Octal
454601562
10
Decimal
78840690
12
Duodecimal
224a1496
16
Hexadecimal
4b30372
20
Vigesimal
14cf1ea
36
Base36
1axtv6
md5
0905db17fa502eba892485bc5ee5b256
sha1
2b3e09ea4de8a9c305521e2288ec4983dd448209
sha256
60ac336671bcb9e20181575675288c1d2ba8fa9639058d1cf70105e54756f1bc
sha512
27a04d54130d8889648f37865e775eff6ea2489232d9d8051609886dd9ccbfa3177dc8b4e65918abbb47dee5a9f29a10291d8156592d26afa114fbc6f2114b49
ripemd-160
2b47f82c0a305ea56c8f363ba1d4f6ed6d064990
Diameter
157681380
Circumference
495370665.0159
Area
1.9527682517806E+16
Volume
2.0527679517397E+24
Surface area
7.8110730071225E+16
Circumference
495370665.0159
Perimeter
315362760
Area
6215854399676100
Diagonal
111497573.06485
Surface area
37295126398056600
Volume
4.9006224981E+23
Space diagonal
136556080.78379
Perimeter
236522070
Area
2.6915439081724E+15
Altitude
68278040.391894
Surface area
2.6915439081724E+15
Volume
5.7754390007364E+22
Height
37165857.688284