78312681 is an odd 8-digits composite number following 78312680
and preceding 78312682 . In scientific notation, it is written as 7.8312681 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors.
There are 52208448 positive integers (up to 78312681) that are relatively prime to 78312681.
78312681 has 6 divisors, whose sum is 113118330
The reverse of 78312681 is 18621387
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-eight million three hundred twelve thousand six hundred eighty-one
Scientific notation
7.8312681 × 10^7
Engineering notation
7.8312681 × 10^6
Prime Factorization
3 × 3 × 8701409
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
26104227
Product of the distinct prime numbers
The prime factorization of 78312681 is 3 × 3 × 8701409.
Since it has a total of 3 prime factors.
10 , 1 , 95 , 44 , 56 , 111 , 4847 , 4388 , 6532 , 31089 , 71949 , 88122 , 6950704 , 4449224 , 21271097 , 63132869 , 914108326 , 678058535 , 2100702208 , 3176421699
n×2
156625362
n×3
234938043
n×4
313250724
n×5
391563405
n÷2
39156340.5
n÷3
26104227
n÷3
19578170.25
n÷5
15662536.2
n2
6132876005407761
n3
4.8028196222405E+23
n4
3.7612168097706E+31
n5
2.945509721954E+39
2 √n
8849.4452368496
3 √n
427.8360382385
4 √n
94.071490032047
5 √n
37.911102850011
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78312680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78312681 can be divided by 6 positive divisors.
The sum of these divisors (counting 78312681) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100101010101111010011101001
3
Ternary
12110100200210200
4
Quaternary
10222233103221
5
Quinary
130022001211
6
Senary
11434302413
8
Octal
452572351
10
Decimal
78312681
12
Duodecimal
22287a09
16
Hexadecimal
4aaf4e9
20
Vigesimal
14991e1
36
Base36
1amig9
md5
e5cbfa53363c4d94b8e8f37911eac3ad
sha1
ab24df3e94c1d6ea0096f6483e2c776b1c8d0cea
sha256
50dc2e31547c0794c3a980c6d646fb5d1e94d6243a8d3b1718a0f0e0ccd4c77a
sha512
f4128c5c464a814993c60dbfe1a7b443020afe6e3ff41ba3cf69b88ce70b8fa48c69271bc0a49a15c8e10d56060d9e95e0f3c20d3a323e7975faec33a9c01252
ripemd-160
34aad4ee893ba90e08e35fd5d884e38daa6dc8dc
Diameter
156625362
Circumference
492053086.62504
Area
1.9266998203966E+16
Volume
2.0118003788997E+24
Surface area
7.7067992815865E+16
Circumference
492053086.62504
Perimeter
313250724
Area
6132876005407761
Diagonal
110750855.576
Surface area
36797256032446566
Volume
4.8028196222405E+23
Space diagonal
135641542.36893
Perimeter
234938043
Area
2.6556132094716E+15
Altitude
67820771.184467
Surface area
2.6556132094716E+15
Volume
5.6601772061701E+22
Height
36916951.858666