207930981 is an odd 9-digits composite number following 207930980
and preceding 207930982 . In scientific notation, it is written as 2.07930981 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 133844400 positive integers (up to 207930981) that are relatively prime to 207930981.
207930981 has 16 divisors, whose sum is 286834688
The reverse of 207930981 is 189039702
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred seven million nine hundred thirty thousand nine hundred eighty-one
Scientific notation
2.07930981 × 10^8
Engineering notation
2.07930981 × 10^6
Prime Factorization
3 × 31 × 487 × 4591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
207930981
Product of the distinct prime numbers
The prime factorization of 207930981 is 3 × 31 × 487 × 4591.
Since it has a total of 4 prime factors.
4 , 8 , 64 , 75 , 896 , 489 , 454 , 4935 , 99293 , 11445 , 982519 , 612674 , 7631862 , 2495910 , 52299293 , 59605590 , 714142290 , 496394017 , 6532504113 , 4278010107
n×2
415861962
n×3
623792943
n×4
831723924
n×5
1039654905
n÷2
103965490.5
n÷3
69310327
n÷3
51982745.25
n÷5
41586196.2
n2
43235292859622361
n3
8.9899568581236E+24
n4
1.8692905486573E+33
n5
3.8868341755634E+41
2 √n
14419.812100024
3 √n
592.43367165069
4 √n
120.08252204224
5 √n
46.087573211746
1 , 3 , 31 , 93 , 487 , 1461 , 4591 , 13773 , 15097 , 45291 , 142321 , 426963 , 2235817 , 6707451 , 69310327 , 207930981
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
-207930980
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 207930981 can be divided by 16 positive divisors.
The sum of these divisors (counting 207930981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011001001100011001100101
3
Ternary
112111020222200110
4
Quaternary
30121030121211
5
Quinary
411212242411
6
Senary
32344403233
8
Octal
1431143145
10
Decimal
207930981
12
Duodecimal
59776519
16
Hexadecimal
c64c665
20
Vigesimal
34jb791
36
Base36
3fsokl
md5
109ccc27e7fd8befb05631176b865d20
sha1
58a39c04af1a4bbcb3ddf4f71e4745c972c21522
sha256
327bbf7b53e05b75ffd5261bf7d2d012e5be729c1065da5263e450d865e38ae0
sha512
61a5cf37eca8cc070bf8cd804c2e6d53c6169c3866e44423fd8247f15887914b72fce704af5c2dbbf06667873847171b831e4bdbd6a42c42aa454e3b513a0589
ripemd-160
f1d6dfb2e5ab6f669e54854eab744e089d742fd6
Diameter
415861962
Circumference
1306468884.7266
Area
1.3582767842359E+17
Volume
3.765704322876E+25
Surface area
5.4331071369437E+17
Circumference
1306468884.7266
Perimeter
831723924
Area
43235292859622361
Diagonal
294058813.36774
Surface area
259411757157734166
Volume
8.9899568581236E+24
Space diagonal
360147023.55964
Perimeter
623792943
Area
1.8721430978246E+16
Altitude
180073511.77982
Surface area
1.8721430978246E+16
Volume
1.0594765761589E+24
Height
98019604.455914