68713021 is an odd 8-digits composite number following 68713020
and preceding 68713022 . In scientific notation, it is written as 6.8713021 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 63348480 positive integers (up to 68713021) that are relatively prime to 68713021.
68713021 has 8 divisors, whose sum is 74090744
The reverse of 68713021 is 12031786
Previous prime number is 937
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
sixty-eight million seven hundred thirteen thousand twenty-one
Scientific notation
6.8713021 × 10^7
Engineering notation
6.8713021 × 10^6
Prime Factorization
13 × 937 × 5641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68713021
Product of the distinct prime numbers
The prime factorization of 68713021 is 13 × 937 × 5641.
Since it has a total of 3 prime factors.
6 , 3 , 15 , 98 , 738 , 470 , 7327 , 6914 , 18268 , 98633 , 704186 , 729739 , 451856 , 7606316 , 90019196 , 38743316 , 657422398 , 953641659 , 516222364 , 4807691509
n×2
137426042
n×3
206139063
n×4
274852084
n×5
343565105
n÷2
34356510.5
n÷3
22904340.333333
n÷3
17178255.25
n÷5
13742604.2
n2
4721479254946441
n3
3.244271031962E+23
n4
2.229236635489E+31
n5
1.5317758374832E+39
2 √n
8289.3317583506
3 √n
409.58717320329
4 √n
91.045767382952
5 √n
36.932423641188
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68713020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68713021 can be divided by 8 positive divisors.
The sum of these divisors (counting 68713021) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110000111101000111101
3
Ternary
11210021222112201
4
Quaternary
10012013220331
5
Quinary
120042304041
6
Senary
10452431501
8
Octal
406075075
10
Decimal
68713021
12
Duodecimal
1b018591
16
Hexadecimal
4187a3d
20
Vigesimal
11992b1
36
Base36
14wrb1
md5
994cf2673f891427a3b12afddfbc736b
sha1
998ac28f4ef279ad768afebb15097ff9a10a978b
sha256
d2c76bf468d9d7d56db076019e45a9845aa65c0a2b2468e9dff6e4ab44fff64a
sha512
4c1db2c72004c5425c7837ff4cc23acd8d604d0d3f9ae9645c3cdaf75e4deeacf373d72f78726ea3f60d0eb2583627530610b6e47beaa656414cc7dcf2bf2a33
ripemd-160
4fb771630fbee09195c72bda5b7876025fdefbb9
Diameter
137426042
Circumference
431736643.95912
Area
1.4832964541416E+16
Volume
1.3589570720355E+24
Surface area
5.9331858165665E+16
Circumference
431736643.95912
Perimeter
274852084
Area
4721479254946441
Diagonal
97174886.209827
Surface area
28328875529678646
Volume
3.244271031962E+23
Space diagonal
119014443.51355
Perimeter
206139063
Area
2.0444604891124E+15
Altitude
59507221.756774
Surface area
2.0444604891124E+15
Volume
3.8234100778457E+22
Height
32391628.736609