80212987 is an odd 8-digits composite number following 80212986
and preceding 80212988 . In scientific notation, it is written as 8.0212987 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 74256000 positive integers (up to 80212987) that are relatively prime to 80212987.
80212987 has 8 divisors, whose sum is 86324832
The reverse of 80212987 is 78921208
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty million two hundred twelve thousand nine hundred eighty-seven
Scientific notation
8.0212987 × 10^7
Engineering notation
8.0212987 × 10^6
Prime Factorization
17 × 61 × 77351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80212987
Product of the distinct prime numbers
The prime factorization of 80212987 is 17 × 61 × 77351.
Since it has a total of 3 prime factors.
2 , 9 , 91 , 15 , 975 , 502 , 6866 , 1552 , 37008 , 85522 , 596388 , 707459 , 6699196 , 8333246 , 17759252 , 44883325 , 845103860 , 133054598 , 5635744945 , 4076185692
n×2
160425974
n×3
240638961
n×4
320851948
n×5
401064935
n÷2
40106493.5
n÷3
26737662.333333
n÷3
20053246.75
n÷5
16042597.4
n2
6434123283462169
n3
5.1610024729275E+23
n4
4.139794242679E+31
n5
3.3206526177069E+39
2 √n
8956.1703311181
3 √n
431.26898797582
4 √n
94.63704523662
5 √n
38.093329896729
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
-80212986
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 80212987 can be divided by 8 positive divisors.
The sum of these divisors (counting 80212987) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001111111001111111011
3
Ternary
12120221020112101
4
Quaternary
10301333033323
5
Quinary
131013303422
6
Senary
11543124231
8
Octal
461771773
10
Decimal
80212987
12
Duodecimal
22a43677
16
Hexadecimal
4c7f3fb
20
Vigesimal
1516c97
36
Base36
1br8qj
md5
411aadda6f0222244b3d063b5994a5ed
sha1
3d6d0e16230bf5167d8fee41892e8b49836b17c3
sha256
ed73cae82983409eca39eda6f99b9d993485289e0ecba778ca631da1a31d1ad2
sha512
5b6c1328acc5250c3ce57ebda78fa6635dacc58d9b4446b9ad8bae48f3e809d6ff2d0ba85e06506034dc69466f0a2b03c0211e7d67b73a3f5d399256b8d8c38b
ripemd-160
a72a30498614c743189cc406011b11cc823205ac
Diameter
160425974
Circumference
503993061.36339
Area
2.0213394439616E+16
Volume
2.1618356605477E+24
Surface area
8.0853577758463E+16
Circumference
503993061.36339
Perimeter
320851948
Area
6434123283462169
Diagonal
113438294.09386
Surface area
38604739700773014
Volume
5.1610024729275E+23
Space diagonal
138932968.91086
Perimeter
240638961
Area
2.7860571072796E+15
Altitude
69466484.455431
Surface area
2.7860571072796E+15
Volume
6.0822997438793E+22
Height
37812764.697952