80971247 is an odd 8-digits composite number following 80971246
and preceding 80971248 . In scientific notation, it is written as 8.0971247 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 65883840 positive integers (up to 80971247) that are relatively prime to 80971247.
80971247 has 16 divisors, whose sum is 97293312
The reverse of 80971247 is 74217908
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty million nine hundred seventy-one thousand two hundred forty-seven
Scientific notation
8.0971247 × 10^7
Engineering notation
8.0971247 × 10^6
Prime Factorization
7 × 137 × 23 × 3671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80971247
Product of the distinct prime numbers
The prime factorization of 80971247 is 7 × 137 × 23 × 3671.
Since it has a total of 4 prime factors.
10 , 9 , 66 , 97 , 767 , 821 , 3971 , 9662 , 28371 , 48862 , 123317 , 784263 , 3360535 , 6635066 , 86175676 , 60727912 , 543578343 , 628304604 , 8659156290 , 3360689048
n×2
161942494
n×3
242913741
n×4
323884988
n×5
404856235
n÷2
40485623.5
n÷3
26990415.666667
n÷3
20242811.75
n÷5
16194249.4
n2
6556342840735009
n3
5.3087525557384E+23
n4
4.2985631445257E+31
n5
3.4806001812049E+39
2 √n
8998.4024693275
3 √n
432.62366873458
4 √n
94.859909705457
5 √n
38.165078986803
1 , 7 , 23 , 137 , 161 , 959 , 3151 , 3671 , 22057 , 25697 , 84433 , 502927 , 591031 , 3520489 , 11567321 , 80971247
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
-80971246
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 80971247 can be divided by 16 positive divisors.
The sum of these divisors (counting 80971247) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100111000010111101111
3
Ternary
12122100202200002
4
Quaternary
10310320113233
5
Quinary
131212034442
6
Senary
12011254515
8
Octal
464702757
10
Decimal
80971247
12
Duodecimal
2314a43b
16
Hexadecimal
4d385ef
20
Vigesimal
1561827
36
Base36
1c7htb
md5
b2a4217a07bac09b9f3618d719c37df9
sha1
1807c09f4d7ee6133871e5cdcbb0aa68fcac0712
sha256
83ce7b4e10f6c4dbb14603e75d2847dda38e6113ce167635da56f4797f7504e7
sha512
101d01028d3361b4280e78e1224d71f7309b3325681a76f88a7740d33a1f7943b5485bc5e110f524f2028cb9d4e7ad196fcaded45cc1faa485c4310cdb46949c
ripemd-160
6c737168fa649b99a20a95045da2bf9de90c2228
Diameter
161942494
Circumference
508757349.45441
Area
2.0597358502869E+16
Volume
2.2237250705112E+24
Surface area
8.2389434011477E+16
Circumference
508757349.45441
Perimeter
323884988
Area
6556342840735009
Diagonal
114510635.66966
Surface area
39338057044410054
Volume
5.3087525557384E+23
Space diagonal
140246313.75621
Perimeter
242913741
Area
2.8389797279984E+15
Altitude
70123156.878105
Surface area
2.8389797279984E+15
Volume
6.25642488634E+22
Height
38170211.889887