86816981 is an odd 8-digits composite number following 86816980
and preceding 86816982 . In scientific notation, it is written as 8.6816981 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 83689200 positive integers (up to 86816981) that are relatively prime to 86816981.
86816981 has 8 divisors, whose sum is 89954400
The reverse of 86816981 is 18961868
Previous prime number is 739
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-six million eight hundred sixteen thousand nine hundred eighty-one
Scientific notation
8.6816981 × 10^7
Engineering notation
8.6816981 × 10^6
Prime Factorization
29 × 739 × 4051
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
86816981
Product of the distinct prime numbers
The prime factorization of 86816981 is 29 × 739 × 4051.
Since it has a total of 3 prime factors.
3 , 6 , 10 , 41 , 15 , 567 , 842 , 9132 , 26912 , 41754 , 354913 , 100541 , 739061 , 5557734 , 69524149 , 10752659 , 237388513 , 37082190 , 6825015855 , 2706301298
n×2
173633962
n×3
260450943
n×4
347267924
n×5
434084905
n÷2
43408490.5
n÷3
28938993.666667
n÷3
21704245.25
n÷5
17363396.2
n2
7537188189954361
n3
6.5435592388069E+23
n4
5.6809205810787E+31
n5
4.9320037415002E+39
2 √n
9317.5630397653
3 √n
442.79382912817
4 √n
96.527524777989
5 √n
38.70088851544
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
-86816980
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 86816981 can be divided by 8 positive divisors.
The sum of these divisors (counting 86816981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001011001011100011010101
3
Ternary
20001100202111202
4
Quaternary
11023023203111
5
Quinary
134211120411
6
Senary
12340442245
8
Octal
513134325
10
Decimal
86816981
12
Duodecimal
250a9385
16
Hexadecimal
52cb8d5
20
Vigesimal
172c291
36
Base36
1foset
md5
5b96c7fbc50c259f07a9677666140d8b
sha1
b6242030ce73e93c95608336060dd548ec3e9442
sha256
166116c4a16dd2f6a0cb1e02197e8f0f804569f93f90cb512c68829b3a418c46
sha512
56bce4219fb2db6f26deae8dd047047fd02e5892302062128423dd1b2d7658a4a6df6c9d4b8b4bb05155a31e695072ec11afb9fd35ecd7b6a774695bdb30844b
ripemd-160
90b3fd48f2ec28333a25ac0a531eeab5bf830511
Diameter
173633962
Circumference
545487179.43289
Area
2.3678775046284E+16
Volume
2.7409596843954E+24
Surface area
9.4715100185137E+16
Circumference
545487179.43289
Perimeter
347267924
Area
7537188189954361
Diagonal
122777751.97449
Surface area
45223129139726166
Volume
6.5435592388069E+23
Space diagonal
150371422.05174
Perimeter
260450943
Area
3.2636982228023E+15
Altitude
75185711.025871
Surface area
3.2636982228023E+15
Volume
7.7116585180938E+22
Height
40925917.324829