81454504 is an even 8-digits composite number following 81454503
and preceding 81454505 . In scientific notation, it is written as 8.1454504 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 39322752 positive integers (up to 81454504) that are relatively prime to 81454504.
81454504 has 16 divisors, whose sum is 157994100
The reverse of 81454504 is 40545418
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million four hundred fifty-four thousand five hundred four
Scientific notation
8.1454504 × 10^7
Engineering notation
8.1454504 × 10^6
Prime Factorization
2 × 2 × 2 × 29 × 351097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20363626
Product of the distinct prime numbers
The prime factorization of 81454504 is 2 × 2 × 2 × 29 × 351097.
Since it has a total of 5 prime factors.
10 , 4 , 49 , 100 , 665 , 334 , 9979 , 2663 , 66960 , 92956 , 518353 , 668367 , 5308761 , 7266054 , 74025257 , 48593038 , 763963123 , 325079969 , 639344375 , 2220602295
n×2
162909008
n×3
244363512
n×4
325818016
n×5
407272520
n÷2
40727252
n÷3
27151501.333333
n÷3
20363626
n÷5
16290900.8
n2
6634836221886016
n3
5.4043729357496E+23
n4
4.4021051691251E+31
n5
3.5857129310692E+39
2 √n
9025.2149004885
3 √n
433.48263152747
4 √n
95.00113104847
5 √n
38.210526399244
1 , 2 , 4 , 8 , 29 , 58 , 116 , 232 , 351097 , 702194 , 1404388 , 2808776 , 10181813 , 20363626 , 40727252 , 81454504
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
-81454503
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 81454504 can be divided by 16 positive divisors.
The sum of these divisors (counting 81454504) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110101110010110101000
3
Ternary
12200021022120111
4
Quaternary
10312232112220
5
Quinary
131323021004
6
Senary
12025504104
8
Octal
466562650
10
Decimal
81454504
12
Duodecimal
23342034
16
Hexadecimal
4dae5a8
20
Vigesimal
1591g54
36
Base36
1chup4
md5
264c2a41b6907db48b90fb1eb3a44dd0
sha1
817e81d1e0ded56cbd7a079d9a38286e3bcfce7b
sha256
94c3d41e2016b2d046a573d8a73efd6119334cfa7f31bb51a1de4fa3ebb4abd0
sha512
833987f26c3df0fde5f114bd632eda3d791c40f8b337202f7dc9735ee06b5ef057b2eb52011fbb91f9c1d0e5c06c3dd08a18539c8c6b774f696e5b97c92ea376
ripemd-160
8a14b4eace9f5096a63f0dc9040b5fc1acbdcbbb
Diameter
162909008
Circumference
511793742.7364
Area
2.0843952732449E+16
Volume
2.2637784416281E+24
Surface area
8.3375810929794E+16
Circumference
511793742.7364
Perimeter
325818016
Area
6634836221886016
Diagonal
115194064.27317
Surface area
39809017331316096
Volume
5.4043729357496E+23
Space diagonal
141083339.43332
Perimeter
244363512
Area
2.8729683590512E+15
Altitude
70541669.716661
Surface area
2.8729683590512E+15
Volume
6.3691145848826E+22
Height
38398021.424391