80490987 is an odd 8-digits composite number following 80490986
and preceding 80490988 . In scientific notation, it is written as 8.0490987 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 53459568 positive integers (up to 80490987) that are relatively prime to 80490987.
80490987 has 12 divisors, whose sum is 116700480
The reverse of 80490987 is 78909408
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty million four hundred ninety thousand nine hundred eighty-seven
Scientific notation
8.0490987 × 10^7
Engineering notation
8.0490987 × 10^6
Prime Factorization
3 × 3 × 269 × 33247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
26830329
Product of the distinct prime numbers
The prime factorization of 80490987 is 3 × 3 × 269 × 33247.
Since it has a total of 4 prime factors.
6 , 5 , 55 , 76 , 492 , 64 , 2089 , 5787 , 74609 , 74393 , 649935 , 380721 , 1611195 , 7650126 , 99913900 , 35768644 , 713854070 , 499845153 , 5316841455 , 8130698216
n×2
160981974
n×3
241472961
n×4
321963948
n×5
402454935
n÷2
40245493.5
n÷3
26830329
n÷3
20122746.75
n÷5
16098197.4
n2
6478798988234169
n3
5.2148492513757E+23
n4
4.1974836329944E+31
n5
3.3785960053607E+39
2 √n
8971.6769335504
3 √n
431.76664029771
4 √n
94.718936509815
5 √n
38.119697934181
1 , 3 , 9 , 269 , 807 , 2421 , 33247 , 99741 , 299223 , 8943443 , 26830329 , 80490987
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80490986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80490987 can be divided by 12 positive divisors.
The sum of these divisors (counting 80490987) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110011000011000111101011
3
Ternary
12121110100212200
4
Quaternary
10303003013223
5
Quinary
131101202422
6
Senary
11553111243
8
Octal
463030753
10
Decimal
80490987
12
Duodecimal
22b58523
16
Hexadecimal
4cc31eb
20
Vigesimal
1531797
36
Base36
1bx78r
md5
ca9b9e899a7062bb4f4127c56ab92b7c
sha1
30604c118311e670dcb7a5dd640292c2b81d3529
sha256
eb603d6e7cb17a16f25b906bde25daf692bb5026765b3b814758e95f7dc9609a
sha512
f6c75c7ff78faad47f6adb6e9a82b26a3333826799ce4c991034b4a995e7097ffff147ecdf953c7b53a8f4e0fffa78b6450792dfe8f58ed076dea0fa5031ee30
ripemd-160
c3ebe5b20e100d5b937c36305b5bd39346c836af
Diameter
160981974
Circumference
505739786.87878
Area
2.0353747305521E+16
Volume
2.18439094636E+24
Surface area
8.1414989222086E+16
Circumference
505739786.87878
Perimeter
321963948
Area
6478798988234169
Diagonal
113831445.4642
Surface area
38872793929405014
Volume
5.2148492513757E+23
Space diagonal
139414479.03537
Perimeter
241472961
Area
2.8054022549119E+15
Altitude
69707239.517683
Surface area
2.8054022549119E+15
Volume
6.1457587808556E+22
Height
37943815.154732