80491988 is an even 8-digits composite number following 80491987
and preceding 80491989 . In scientific notation, it is written as 8.0491988 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 40245992 positive integers (up to 80491988) that are relatively prime to 80491988.
80491988 has 6 divisors, whose sum is 140860986
The reverse of 80491988 is 88919408
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty million four hundred ninety-one thousand nine hundred eighty-eight
Scientific notation
8.0491988 × 10^7
Engineering notation
8.0491988 × 10^6
Prime Factorization
2 × 2 × 20122997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40245994
Product of the distinct prime numbers
The prime factorization of 80491988 is 2 × 2 × 20122997.
Since it has a total of 3 prime factors.
3 , 1 , 87 , 83 , 402 , 140 , 5837 , 5848 , 5082 , 97297 , 478744 , 193934 , 4995518 , 1184829 , 10482375 , 53172180 , 456765479 , 140538251 , 5045959122 , 7240295509
n×2
160983976
n×3
241475964
n×4
321967952
n×5
402459940
n÷2
40245994
n÷3
26830662.666667
n÷3
20122997
n÷5
16098397.6
n2
6478960132192144
n3
5.2150438121289E+23
n4
4.1976924394535E+31
n5
3.3788060946418E+39
2 √n
8971.7327200491
3 √n
431.76843013212
4 √n
94.719230993759
5 √n
38.119792746357
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80491987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80491988 can be divided by 6 positive divisors.
The sum of these divisors (counting 80491988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110011000011010111010100
3
Ternary
12121110102020202
4
Quaternary
10303003113110
5
Quinary
131101220423
6
Senary
11553120032
8
Octal
463032724
10
Decimal
80491988
12
Duodecimal
22b59018
16
Hexadecimal
4cc35d4
20
Vigesimal
15319j8
36
Base36
1bx80k
md5
0e2d25158b03aff24893fc34c7dd0ba0
sha1
a3b01216cdc285c7f44ab501e7034cda4a071af5
sha256
4a975ccc5342caf674ba1911893199c0dbb2d3304fdb9763c9990659eebdbdd6
sha512
d2d89d22684b9e722fe09515d95f23d8cbffe985f83b7c98f32fdb6292a38eb21708bb1fb6c40bc2ce3a328aba972d6b176ae85fd6f522b9f2c40b50e06f0b79
ripemd-160
ba9eceae409ffd1b5d329a81a8204683c12ad96f
Diameter
160983976
Circumference
505746076.34728
Area
2.0354253554196E+16
Volume
2.1844724437777E+24
Surface area
8.1417014216784E+16
Circumference
505746076.34728
Perimeter
321967952
Area
6478960132192144
Diagonal
113832861.09197
Surface area
38873760793152864
Volume
5.2150438121289E+23
Space diagonal
139416212.81822
Perimeter
241475964
Area
2.8054720322925E+15
Altitude
69708106.409112
Surface area
2.8054720322925E+15
Volume
6.1459880729021E+22
Height
37944287.030657