68697979 is an odd 8-digits composite number following 68697978
and preceding 68697980 . In scientific notation, it is written as 6.8697979 × 10^7.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 58883976 positive integers (up to 68697979) that are relatively prime to 68697979.
68697979 has 4 divisors, whose sum is 78511984
The reverse of 68697979 is 97979686
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
sixty-eight million six hundred ninety-seven thousand nine hundred seventy-nine
Scientific notation
6.8697979 × 10^7
Engineering notation
6.8697979 × 10^6
Prime Factorization
7 × 9813997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68697979
Product of the distinct prime numbers
The prime factorization of 68697979 is 7 × 9813997.
Since it has a total of 2 prime factors.
5 , 2 , 74 , 67 , 932 , 572 , 8362 , 3376 , 95592 , 54866 , 20234 , 399995 , 5337013 , 4326305 , 24280823 , 31523505 , 802071770 , 18716823 , 5581479282 , 718589511
n×2
137395958
n×3
206093937
n×4
274791916
n×5
343489895
n÷2
34348989.5
n÷3
22899326.333333
n÷3
17174494.75
n÷5
13739595.8
n2
4719412318684441
n3
3.2421408836133E+23
n4
2.227285263375E+31
n5
1.5300999625035E+39
2 √n
8288.4243979179
3 √n
409.55728338137
4 √n
91.040784255837
5 √n
36.930806520707
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68697978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68697979 can be divided by 4 positive divisors.
The sum of these divisors (counting 68697979) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000110000011111101111011
3
Ternary
11210021012220121
4
Quaternary
10012003331323
5
Quinary
120041313404
6
Senary
10452234111
8
Octal
406037573
10
Decimal
68697979
12
Duodecimal
1b00b937
16
Hexadecimal
4183f7b
20
Vigesimal
11974ij
36
Base36
14wfp7
md5
a6cac04ab85ee3afa561d96a18b2b451
sha1
bc44ced497f681478c516a2492cfe7bf899aa68c
sha256
6ca562b2a5e4be2fafb6fdb55682e41715f45fc1cb10747911aea4bae9a54e3c
sha512
42237c41e21069d7d139e1fc9d2d53a67798ac1b507a6c0462e069ad943f279491118dea0fbe72a86aed3b74037f245c6cbf33a129171563dbc99cff14645427
ripemd-160
fefd7fcb9e4985c07556a2f9f52acce1c042fa1d
Diameter
137395958
Circumference
431642132.28573
Area
1.482647106964E+16
Volume
1.3580647975817E+24
Surface area
5.9305884278561E+16
Circumference
431642132.28573
Perimeter
274791916
Area
4719412318684441
Diagonal
97153613.609422
Surface area
28316473912106646
Volume
3.2421408836133E+23
Space diagonal
118988390.0053
Perimeter
206093937
Area
2.043565479457E+15
Altitude
59494195.00265
Surface area
2.043565479457E+15
Volume
3.8208996739418E+22
Height
32384537.869807