81472057 is an odd 8-digits composite number following 81472056
and preceding 81472058 . In scientific notation, it is written as 8.1472057 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 75388320 positive integers (up to 81472057) that are relatively prime to 81472057.
81472057 has 8 divisors, whose sum is 87755360
The reverse of 81472057 is 75027418
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million four hundred seventy-two thousand fifty-seven
Scientific notation
8.1472057 × 10^7
Engineering notation
8.1472057 × 10^6
Prime Factorization
19 × 43 × 99721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81472057
Product of the distinct prime numbers
The prime factorization of 81472057 is 19 × 43 × 99721.
Since it has a total of 3 prime factors.
6 , 4 , 95 , 43 , 8 , 945 , 5372 , 6332 , 10422 , 54655 , 539198 , 389707 , 6085993 , 8549889 , 82382709 , 15050623 , 307590269 , 12200487 , 13757537 , 1300329072
n×2
162944114
n×3
244416171
n×4
325888228
n×5
407360285
n÷2
40736028.5
n÷3
27157352.333333
n÷3
20368014.25
n÷5
16294411.4
n2
6637696071811249
n3
5.4078675271128E+23
n4
4.4059009141738E+31
n5
3.5895781041592E+39
2 √n
9026.1872903236
3 √n
433.51376700295
4 √n
95.006248690934
5 √n
38.212173089189
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
-81472056
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 81472057 can be divided by 8 positive divisors.
The sum of these divisors (counting 81472057) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110010101000111001
3
Ternary
12200022012122121
4
Quaternary
10312302220321
5
Quinary
131324101212
6
Senary
12030121241
8
Octal
466625071
10
Decimal
81472057
12
Duodecimal
23350221
16
Hexadecimal
4db2a39
20
Vigesimal
159402h
36
Base36
1ci88p
md5
97238e55d738569917d6c2c471cf1763
sha1
3de3ba5c1e0f7d4dd714da9f81ee9bed2f868479
sha256
f733b734a26d4ca8ec7f37ce88b520fe6fef361d24e03e9c6e7216a83cd31723
sha512
21739875e25c7853cb44abcd4b0714d25a89ee526695bcfa361e9d468290db49a24e76fef60496e59212bfa92bafe76fe7294d7328cb15cc28e2ff4ca9913504
ripemd-160
bce3f626ff2b5592fe2971e9b87f2ce1a3504447
Diameter
162944114
Circumference
511904031.4881
Area
2.0852937215964E+16
Volume
2.2652422526353E+24
Surface area
8.3411748863856E+16
Circumference
511904031.4881
Perimeter
325888228
Area
6637696071811249
Diagonal
115218887.96383
Surface area
39826176430867494
Volume
5.4078675271128E+23
Space diagonal
141113742.12115
Perimeter
244416171
Area
2.8742067103944E+15
Altitude
70556871.060574
Surface area
2.8742067103944E+15
Volume
6.3732330003E+22
Height
38406295.987945