78689968 is an even 8-digits composite number following 78689967
and preceding 78689969 . In scientific notation, it is written as 7.8689968 × 10^7.
The sum of its digits is 61. It has a total of 6 prime factors and 20 positive divisors.
There are 33724224 positive integers (up to 78689968) that are relatively prime to 78689968.
78689968 has 20 divisors, whose sum is 174242320
The reverse of 78689968 is 86998687
Previous prime number is 7
Is Prime? no Number parity even Number length 8 Sum of Digits 61 Digital Root 7
Name
seventy-eight million six hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
7.8689968 × 10^7
Engineering notation
7.8689968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 702589
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
9836246 Product of the distinct prime numbers
The prime factorization of 78689968 is 2 × 2 × 2 × 2 × 7 × 702589.
Since it has a total of 6 prime factors.
10 , 2 , 5 , 82 , 387 , 387 , 6896 , 4008 , 15284 , 69918 , 927480 , 599055 , 2993249 , 2512706 , 14256908 , 77399138 , 88098791 , 476892148 , 7854768263 , 9591414576
n×2
157379936
n×3
236069904
n×4
314759872
n×5
393449840
n÷2
39344984
n÷3
26229989.333333
n÷3
19672492
n÷5
15737993.6
n2
6192111063841024
n3
4.872570214661E+23
n4
3.8342239426942E+31
n5
3.0171495935544E+39
2 √n8870.7366097749
3 √n428.52199971738
4 √n94.184587963078
5 √n37.947561522492
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 702589 , 1405178 , 2810356 , 4918123 , 5620712 , 9836246 , 11241424 , 19672492 , 39344984 , 78689968
20 divisors
τ Total Divisors
20 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-78689967 Sum of the proper positive divisors of n
A Arithmetic Mean
0.05 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
20 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78689968 can be divided by 20 positive divisors.
The sum of these divisors (counting 78689968) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101100001011011010110000
3
Ternary
12111001212100021
4
Quaternary
10230023122300
5
Quinary
130121034333
6
Senary
11450333224
8
Octal
454133260
10
Decimal
78689968
12
Duodecimal
2242a214
16
Hexadecimal
4b0b6b0
20
Vigesimal
14bg4i8
36
Base36
1aulkg
md5
af32992f305b8a37092ccbddd9d11623
sha1
8b53c839d6f08dd45b0c264e1b261199fb0d08cd
sha256
d5f1d0ee2dd5af5d82e60a8272e7033f61d13d17242d4b601ab4373d1a2180ee
sha512
c877ab701394c052ceb5234d48f5276a8918bb18ca471447a6bb78911c8522645e87d3322dba43850c90b0841eeb73ecf58478ce2a71db67689a9f7ad84dd1fd
ripemd-160
c686cfac42c25140f594eb1b67ca3d3d0cbdb97f
Diameter
157379936
Circumference
494423650.76003
Area
1.9453090628375E+16
Volume
2.0410174387306E+24
Surface area
7.78123625135E+16
Circumference
494423650.76003
Perimeter
314759872
Area
6192111063841024
Diagonal
111284419.9683
Surface area
37152666383046144
Volume
4.872570214661E+23
Space diagonal
136295022.62197
Perimeter
236069904
Area
2.6812627421705E+15
Altitude
68147511.310985
Surface area
2.6812627421705E+15
Volume
5.7423790676573E+22
Height
37094806.656102