68987079 is an odd 8-digits composite number following 68987078
and preceding 68987080 . In scientific notation, it is written as 6.8987079 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 37739520 positive integers (up to 68987079) that are relatively prime to 68987079.
68987079 has 16 divisors, whose sum is 74200896
The reverse of 68987079 is 97078986
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-eight million nine hundred eighty-seven thousand seventy-nine
Scientific notation
6.8987079 × 10^7
Engineering notation
6.8987079 × 10^6
Prime Factorization
21 × 477 × 71 × 97
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68987079
Product of the distinct prime numbers
The prime factorization of 68987079 is 21 × 477 × 71 × 97.
Since it has a total of 4 prime factors.
10 , 10 , 92 , 70 , 751 , 167 , 2026 , 9145 , 44442 , 73178 , 115988 , 798290 , 6423562 , 9738264 , 23817793 , 74755675 , 772929296 , 86014665 , 7919148154 , 5428262413
n×2
137974158
n×3
206961237
n×4
275948316
n×5
344935395
n÷2
34493539.5
n÷3
22995693
n÷3
17246769.75
n÷5
13797415.8
n2
4759217068952241
n3
3.2832448391396E+23
n4
2.2650147109406E+31
n5
1.5625674879982E+39
2 √n
8305.8460737001
3 √n
410.13098927856
4 √n
91.13641464146
5 √n
36.961837329403
1 , 21 , 71 , 97 , 477 , 1491 , 2037 , 6887 , 10017 , 33867 , 46269 , 144627 , 711207 , 971649 , 3285099 , 68987079
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
-68987078
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 68987079 can be divided by 16 positive divisors.
The sum of these divisors (counting 68987079) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000111001010100011000111
3
Ternary
11210210220111000
4
Quaternary
10013022203013
5
Quinary
120130041304
6
Senary
10502344343
8
Octal
407124307
10
Decimal
68987079
12
Duodecimal
1b12b0b3
16
Hexadecimal
41ca8c7
20
Vigesimal
11b37dj
36
Base36
152mrr
md5
2583bcbdc42e27b9cc88cb019fe19e9d
sha1
f460a79b1cb008732b08fb002317d2e9bf14f7a1
sha256
bdcbc4d86d65b9490d1080667d25c6fe7a7cd75c575c258343cab29f10b2fcc4
sha512
9c925563f45999f04b40b177336bd3b8ffcc41b16f71b0431f954d279b099438037e3d12a2f6638d7488f9a03d89cf0806fad566caa53df44f3b03d50a3be244
ripemd-160
58ad08076d25289e162bb2e7e7498f5d215c3bbe
Diameter
137974158
Circumference
433458601.15804
Area
1.495152138066E+16
Volume
1.3752823822103E+24
Surface area
5.9806085522638E+16
Circumference
433458601.15804
Perimeter
275948316
Area
4759217068952241
Diagonal
97562462.750304
Surface area
28555302413713446
Volume
3.2832448391396E+23
Space diagonal
119489125.89377
Perimeter
206961237
Area
2.0608014419186E+15
Altitude
59744562.946884
Surface area
2.0608014419186E+15
Volume
3.8693411500855E+22
Height
32520820.916768