68697978 is an even 8-digits composite number following 68697977
and preceding 68697979 . In scientific notation, it is written as 6.8697978 × 10^7.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 22672400 positive integers (up to 68697978) that are relatively prime to 68697978.
68697978 has 16 divisors, whose sum is 138757536
The reverse of 68697978 is 87979686
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 60
Digital Root 6
Name
sixty-eight million six hundred ninety-seven thousand nine hundred seventy-eight
Scientific notation
6.8697978 × 10^7
Engineering notation
6.8697978 × 10^6
Prime Factorization
2 × 3 × 101 × 113363
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68697978
Product of the distinct prime numbers
The prime factorization of 68697978 is 2 × 3 × 101 × 113363.
Since it has a total of 4 prime factors.
2 , 5 , 52 , 19 , 525 , 84 , 7235 , 76 , 11303 , 93639 , 43188 , 135731 , 5318053 , 3957245 , 70519345 , 16618657 , 686380141 , 580062762 , 4323547519 , 7527877485
n×2
137395956
n×3
206093934
n×4
274791912
n×5
343489890
n÷2
34348989
n÷3
22899326
n÷3
17174494.5
n÷5
13739595.6
n2
4719412181288484
n3
3.2421407420309E+23
n4
2.2272851336894E+31
n5
1.5300998511392E+39
2 √n
8288.4243375928
3 √n
409.55728139414
4 √n
91.040783924529
5 √n
36.93080641319
1 , 2 , 3 , 6 , 101 , 202 , 303 , 606 , 113363 , 226726 , 340089 , 680178 , 11449663 , 22899326 , 34348989 , 68697978
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
-68697977
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 68697978 can be divided by 16 positive divisors.
The sum of these divisors (counting 68697978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110000011111101111010
3
Ternary
11210021012220120
4
Quaternary
10012003331322
5
Quinary
120041313403
6
Senary
10452234110
8
Octal
406037572
10
Decimal
68697978
12
Duodecimal
1b00b936
16
Hexadecimal
4183f7a
20
Vigesimal
11974ii
36
Base36
14wfp6
md5
3bf7bcf9357c239d6ec98ba5b8e9eb54
sha1
45ae6892edb6e34ede849076228de185d2b2dd86
sha256
80012631e95c935ded7b5909fc6289b2468caa7fc446195f3120eff6e79b218b
sha512
535d5f7d7cfd8f3677387d41eed56c007760ebd87a60ac2c7454c4beeb2e71b5141e1bb115834a2f8b49b52d35fe2b85cb653dbedc7138530d4066113a080d5f
ripemd-160
a17d7119a32089e40f53e5a8139275edfe76cdce
Diameter
137395956
Circumference
431642126.00255
Area
1.4826470637998E+16
Volume
1.3580647382758E+24
Surface area
5.9305882551992E+16
Circumference
431642126.00255
Perimeter
274791912
Area
4719412181288484
Diagonal
97153612.195209
Surface area
28316473087730904
Volume
3.2421407420309E+23
Space diagonal
118988388.27325
Perimeter
206093934
Area
2.0435654199628E+15
Altitude
59494194.136624
Surface area
2.0435654199628E+15
Volume
3.8208995070854E+22
Height
32384537.398403