80972691 is an odd 8-digits composite number following 80972690
and preceding 80972692 . In scientific notation, it is written as 8.0972691 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 53944800 positive integers (up to 80972691) that are relatively prime to 80972691.
80972691 has 8 divisors, whose sum is 108037584
The reverse of 80972691 is 19627908
Previous prime number is 1597
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty million nine hundred seventy-two thousand six hundred ninety-one
Scientific notation
8.0972691 × 10^7
Engineering notation
8.0972691 × 10^6
Prime Factorization
3 × 1597 × 16901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80972691
Product of the distinct prime numbers
The prime factorization of 80972691 is 3 × 1597 × 16901.
Since it has a total of 3 prime factors.
6 , 2 , 32 , 99 , 983 , 66 , 4700 , 8274 , 23271 , 25897 , 322124 , 418796 , 8653024 , 9885689 , 55065687 , 8529701 , 140131694 , 995335375 , 6216269254 , 1975606067
n×2
161945382
n×3
242918073
n×4
323890764
n×5
404863455
n÷2
40486345.5
n÷3
26990897
n÷3
20243172.75
n÷5
16194538.2
n2
6556576687781481
n3
5.3090365815753E+23
n4
4.298869786276E+31
n5
3.4809105485336E+39
2 √n
8998.4827054343
3 √n
432.62624044939
4 √n
94.860332623464
5 √n
38.16521510915
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
-80972690
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 80972691 can be divided by 8 positive divisors.
The sum of these divisors (counting 80972691) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100111000101110010011
3
Ternary
12122100211122120
4
Quaternary
10310320232103
5
Quinary
131212111231
6
Senary
12011305323
8
Octal
464705623
10
Decimal
80972691
12
Duodecimal
2314b243
16
Hexadecimal
4d38b93
20
Vigesimal
1561beb
36
Base36
1c7ixf
md5
c71e388d5ea0b7ab3d98b302403f39ab
sha1
f1e392a58b874b6a52f84d5bda699744ddcb91b6
sha256
368e6fbc768e4661fc473e01f44004ac01c07bbc2593430bb5b8899010143b80
sha512
6a267caea621f6361a47e94daf8096152b74bdbbf4d0b19b499322e1e4ee8f8f706b623d1aff9cb51c0269b6ab70171f8c980ccd14e0bcc6212ca1253e43ed1e
ripemd-160
9694b0959db2a1151692ba8bb1ece260e719b119
Diameter
161945382
Circumference
508766422.37399
Area
2.0598093155032E+16
Volume
2.2238440429755E+24
Surface area
8.239237262013E+16
Circumference
508766422.37399
Perimeter
323890764
Area
6556576687781481
Diagonal
114512677.79405
Surface area
39339460126688886
Volume
5.3090365815753E+23
Space diagonal
140248814.83758
Perimeter
242918073
Area
2.8390809867398E+15
Altitude
70124407.418788
Surface area
2.8390809867398E+15
Volume
6.2567596139989E+22
Height
38170892.598015