81214967 is an odd 8-digits composite number following 81214966
and preceding 81214968 . In scientific notation, it is written as 8.1214967 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 76437600 positive integers (up to 81214967) that are relatively prime to 81214967.
81214967 has 4 divisors, whose sum is 85992336
The reverse of 81214967 is 76941218
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million two hundred fourteen thousand nine hundred sixty-seven
Scientific notation
8.1214967 × 10^7
Engineering notation
8.1214967 × 10^6
Prime Factorization
17 × 4777351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81214967
Product of the distinct prime numbers
The prime factorization of 81214967 is 17 × 4777351.
Since it has a total of 2 prime factors.
2 , 2 , 56 , 10 , 120 , 747 , 2566 , 3208 , 71046 , 8413 , 629204 , 315402 , 4702912 , 1554133 , 65786085 , 44243975 , 708746626 , 119972066 , 1027555336 , 4181673433
n×2
162429934
n×3
243644901
n×4
324859868
n×5
406074835
n÷2
40607483.5
n÷3
27071655.666667
n÷3
20303741.75
n÷5
16242993.4
n2
6595870864811089
n3
5.3568343462189E+23
n4
4.3505512465264E+31
n5
3.5332987591845E+39
2 √n
9011.9346979436
3 √n
433.05729355816
4 √n
94.931210346986
5 √n
38.188026427081
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81214966
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81214967 can be divided by 4 positive divisors.
The sum of these divisors (counting 81214967) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101110011110111110111
3
Ternary
12122211010222202
4
Quaternary
10311303313313
5
Quinary
131242334332
6
Senary
12020415115
8
Octal
465636767
10
Decimal
81214967
12
Duodecimal
2324749b
16
Hexadecimal
4d73df7
20
Vigesimal
157bh87
36
Base36
1ccpvb
md5
6af47d13a07a311b061259190ced14ca
sha1
1a6dab104bc48e5387cc71425557224ae0f7d827
sha256
add185670e3e95281fae7cd0c5f3e8ca25d027989884747f937043bbfdb335ad
sha512
b118d7eb46e3d8b33a5b6a4b6f1b4ce10ede2997121fc9a416cac8f7052cf8e34280946422154824fd9a819ade51943488d02071131e41bcf629c12a24f2513f
ripemd-160
c55cb2073d27cbde8d69491247ce8b331b479378
Diameter
162429934
Circumference
510288687.37747
Area
2.0721539452917E+16
Volume
2.2438655238105E+24
Surface area
8.288615781167E+16
Circumference
510288687.37747
Perimeter
324859868
Area
6595870864811089
Diagonal
114855307.79908
Surface area
39575225188866534
Volume
5.3568343462189E+23
Space diagonal
140668449.17903
Perimeter
243644901
Area
2.856095864504E+15
Altitude
70334224.589515
Surface area
2.856095864504E+15
Volume
6.3130898198407E+22
Height
38285102.599694