68100981 is an odd 8-digits composite number following 68100980
and preceding 68100982 . In scientific notation, it is written as 6.8100981 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 41908272 positive integers (up to 68100981) that are relatively prime to 68100981.
68100981 has 8 divisors, whose sum is 97786080
The reverse of 68100981 is 18900186
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-eight million one hundred thousand nine hundred eighty-one
Scientific notation
6.8100981 × 10^7
Engineering notation
6.8100981 × 10^6
Prime Factorization
3 × 13 × 1746179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68100981
Product of the distinct prime numbers
The prime factorization of 68100981 is 3 × 13 × 1746179.
Since it has a total of 3 prime factors.
5 , 7 , 57 , 82 , 31 , 756 , 4908 , 8612 , 79077 , 14840 , 332351 , 197200 , 9538860 , 3564475 , 23182094 , 16725591 , 824344348 , 530949481 , 3922885109 , 8709975775
n×2
136201962
n×3
204302943
n×4
272403924
n×5
340504905
n÷2
34050490.5
n÷3
22700327
n÷3
17025245.25
n÷5
13620196.2
n2
4637743613162361
n3
3.1583488968284E+23
n4
2.1508665821428E+31
n5
1.4647612424404E+39
2 √n
8252.3318522706
3 √n
408.36745418979
4 √n
90.842346140281
5 √n
36.866395138781
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
-68100980
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 68100981 can be divided by 8 positive divisors.
The sum of these divisors (counting 68100981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000011110010001101110101
3
Ternary
11202010212222120
4
Quaternary
10003302031311
5
Quinary
114413212411
6
Senary
10431350153
8
Octal
403621565
10
Decimal
68100981
12
Duodecimal
1a982359
16
Hexadecimal
40f2375
20
Vigesimal
115cc91
36
Base36
14jn1x
md5
076034e8c872ed2fbe4c3686cd1acb66
sha1
1c99c8f0e801ac4e9b3402a88c2131323e6db5bf
sha256
06bc4000d5f762b0a1d6979974dd6da2f593bf4854eb258f4c73b4820748d70c
sha512
0e3471e111ea2fdfd3f05a22fb859d2fd974bae825dffa31649ee03ed31cbae9e0bf035d1d71923f5916c88be4f2529028097b47f6928309bac2fc5f3cefdbcd
ripemd-160
38de23ed87e8f57e9682cc9b2fd853c47a7508c7
Diameter
136201962
Circumference
427891083.22372
Area
1.4569901264344E+16
Volume
1.3229660922333E+24
Surface area
5.8279605057375E+16
Circumference
427891083.22372
Perimeter
272403924
Area
4637743613162361
Diagonal
96309330.941112
Surface area
27826461678974166
Volume
3.1583488968284E+23
Space diagonal
117954359.13728
Perimeter
204302943
Area
2.0082018926188E+15
Altitude
58977179.568641
Surface area
2.0082018926188E+15
Volume
3.7221498705007E+22
Height
32103110.313704