80972649 is an odd 8-digits composite number following 80972648
and preceding 80972650 . In scientific notation, it is written as 8.0972649 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 50029056 positive integers (up to 80972649) that are relatively prime to 80972649.
80972649 has 16 divisors, whose sum is 93138240
The reverse of 80972649 is 94627908
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty million nine hundred seventy-two thousand six hundred forty-nine
Scientific notation
8.0972649 × 10^7
Engineering notation
8.0972649 × 10^6
Prime Factorization
9 × 51 × 67 × 2633
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80972649
Product of the distinct prime numbers
The prime factorization of 80972649 is 9 × 51 × 67 × 2633.
Since it has a total of 4 prime factors.
6 , 3 , 98 , 38 , 465 , 111 , 1380 , 2637 , 97738 , 15340 , 220902 , 99103 , 7395729 , 85563 , 20512391 , 64759896 , 45307611 , 685988214 , 4010358525 , 6147970151
n×2
161945298
n×3
242917947
n×4
323890596
n×5
404863245
n÷2
40486324.5
n÷3
26990883
n÷3
20243162.25
n÷5
16194529.8
n2
6556569886077201
n3
5.309028320293E+23
n4
4.2988608671014E+31
n5
3.4809015209164E+39
2 √n
8998.4803717072
3 √n
432.62616564925
4 √n
94.860320322605
5 √n
38.16521114994
1 , 9 , 51 , 67 , 459 , 603 , 2633 , 3417 , 23697 , 30753 , 134283 , 176411 , 1208547 , 1587699 , 8996961 , 80972649
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80972648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80972649 can be divided by 16 positive divisors.
The sum of these divisors (counting 80972649) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100111000101101101001
3
Ternary
12122100211121000
4
Quaternary
10310320231221
5
Quinary
131212111044
6
Senary
12011305213
8
Octal
464705551
10
Decimal
80972649
12
Duodecimal
2314b209
16
Hexadecimal
4d38b69
20
Vigesimal
1561bc9
36
Base36
1c7iw9
md5
5b257e80a0ed17950b16b062ccbdd782
sha1
ef9d98fdaf06c3c958d3b6bbc724c6a10c07fdbe
sha256
83a82735aa707e92aa487471be24b3d4f1af05bb1fa93d597523dc165f5f43e2
sha512
493ac2d94396345713c5191a70d5fc8b7a1733085412967a28c8ac5b42b24c06a9054893d5901d820b173efe42b76670fe9d36627a8165eb8031eced204f625c
ripemd-160
63ea7e951d79ed64b66d1d863fcd86aecc024d1a
Diameter
161945298
Circumference
508766158.48021
Area
2.0598071786848E+16
Volume
2.2238405824977E+24
Surface area
8.2392287147393E+16
Circumference
508766158.48021
Perimeter
323890596
Area
6556569886077201
Diagonal
114512618.39708
Surface area
39339419316463206
Volume
5.309028320293E+23
Space diagonal
140248742.09144
Perimeter
242917947
Area
2.8390780415154E+15
Altitude
70124371.045721
Surface area
2.8390780415154E+15
Volume
6.2567498779843E+22
Height
38170872.799025