68978085 is an odd 8-digits composite number following 68978084
and preceding 68978086 . In scientific notation, it is written as 6.8978085 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 33122880 positive integers (up to 68978085) that are relatively prime to 68978085.
68978085 has 16 divisors, whose sum is 86101056
The reverse of 68978085 is 58087986
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million nine hundred seventy-eight thousand eighty-five
Scientific notation
6.8978085 × 10^7
Engineering notation
6.8978085 × 10^6
Prime Factorization
5 × 33 × 107 × 3907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68978085
Product of the distinct prime numbers
The prime factorization of 68978085 is 5 × 33 × 107 × 3907.
Since it has a total of 4 prime factors.
5 , 10 , 7 , 35 , 511 , 981 , 2860 , 4854 , 84398 , 75879 , 761405 , 189751 , 9785979 , 4091547 , 52009627 , 13489273 , 296695026 , 253466984 , 2938554714 , 4136559476
n×2
137956170
n×3
206934255
n×4
275912340
n×5
344890425
n÷2
34489042.5
n÷3
22992695
n÷3
17244521.25
n÷5
13795617
n2
4757976210267225
n3
3.2819608745979E+23
n4
2.2638337617469E+31
n5
1.5615491764365E+39
2 √n
8305.3046301746
3 √n
410.11316527207
4 √n
91.133444081603
5 √n
36.960873519637
1 , 5 , 33 , 107 , 165 , 535 , 3531 , 3907 , 17655 , 19535 , 128931 , 418049 , 644655 , 2090245 , 13795617 , 68978085
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
-68978084
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 68978085 can be divided by 16 positive divisors.
The sum of these divisors (counting 68978085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000111001000010110100101
3
Ternary
11210210110010220
4
Quaternary
10013020112211
5
Quinary
120124244320
6
Senary
10502234553
8
Octal
407102645
10
Decimal
68978085
12
Duodecimal
1b125a59
16
Hexadecimal
41c85a5
20
Vigesimal
11b2545
36
Base36
152ftx
md5
432bd2848e2e8a55c8e204eb72f43860
sha1
a5b6fb058c1928926eb74c5b4788229d2d92a3d1
sha256
57806d2380b911e0865aaa809b6721303892d773d477811b023e7c9774a2c8bb
sha512
c09de4eb1e7747ed0346d5037d1e6d368b9ce25555601b8384b8fab2f6730b124d97a7fb571adf6ed408a2ef9ffb443f191f4a318abd9dfb69a18a1d42e870fa
ripemd-160
e6230b7ab28e0f96e8369a81736e2f13c76eeefd
Diameter
137956170
Circumference
433402090.18938
Area
1.4947623108131E+16
Volume
1.3747445564008E+24
Surface area
5.9790492432522E+16
Circumference
433402090.18938
Perimeter
275912340
Area
4757976210267225
Diagonal
97549743.313524
Surface area
28547857261603350
Volume
3.2819608745979E+23
Space diagonal
119473547.8288
Perimeter
206934255
Area
2.0602641343467E+15
Altitude
59736773.914402
Surface area
2.0602641343467E+15
Volume
3.8678279833619E+22
Height
32516581.104508