80972689 is an odd 8-digits composite number following 80972688
and preceding 80972690 . In scientific notation, it is written as 8.0972689 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 69360720 positive integers (up to 80972689) that are relatively prime to 80972689.
80972689 has 8 divisors, whose sum is 92599488
The reverse of 80972689 is 98627908
Previous prime number is 2237
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty million nine hundred seventy-two thousand six hundred eighty-nine
Scientific notation
8.0972689 × 10^7
Engineering notation
8.0972689 × 10^6
Prime Factorization
7 × 2237 × 5171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80972689
Product of the distinct prime numbers
The prime factorization of 80972689 is 7 × 2237 × 5171.
Since it has a total of 3 prime factors.
10 , 1 , 9 , 54 , 705 , 405 , 6671 , 7616 , 89375 , 10675 , 663851 , 823825 , 6103429 , 1904369 , 4360634 , 10853175 , 239200514 , 210423153 , 2572905404 , 3494797994
n×2
161945378
n×3
242918067
n×4
323890756
n×5
404863445
n÷2
40486344.5
n÷3
26990896.333333
n÷3
20243172.25
n÷5
16194537.8
n2
6556576363890721
n3
5.3090361881807E+23
n4
4.298869361553E+31
n5
3.4809101186466E+39
2 √n
8998.4825943044
3 √n
432.62623688748
4 √n
94.860332037709
5 √n
38.165214920616
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
-80972688
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 80972689 can be divided by 8 positive divisors.
The sum of these divisors (counting 80972689) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100111000101110010001
3
Ternary
12122100211122111
4
Quaternary
10310320232101
5
Quinary
131212111224
6
Senary
12011305321
8
Octal
464705621
10
Decimal
80972689
12
Duodecimal
2314b241
16
Hexadecimal
4d38b91
20
Vigesimal
1561be9
36
Base36
1c7ixd
md5
8ba4ecde65453c883b9d1481ec205baf
sha1
31e8d2038121d08c6252a73fa3792887577c7486
sha256
3fe595309ca068c87446834fdeeb7f6f64e18a87c7d0e49f01112673a350e40c
sha512
b8ee7fd3c7cdd2f6e0ac8f3131cef42601abc7d60fedf17ad9881cacb621ed480e7a229bf6d9922057db1c8623866a624f6cbd80732dea4ba66b4acbcb101ae1
ripemd-160
03ffe9ee4dccd88cc8dcbc9b48dab6d1d18f9981
Diameter
161945378
Circumference
508766409.80762
Area
2.05980921375E+16
Volume
2.2238438781908E+24
Surface area
8.2392368549998E+16
Circumference
508766409.80762
Perimeter
323890756
Area
6556576363890721
Diagonal
114512674.96562
Surface area
39339458183344326
Volume
5.3090361881807E+23
Space diagonal
140248811.37347
Perimeter
242918067
Area
2.839080846491E+15
Altitude
70124405.686737
Surface area
2.839080846491E+15
Volume
6.256759150379E+22
Height
38170891.655206