81094761 is an odd 8-digits composite number following 81094760
and preceding 81094762 . In scientific notation, it is written as 8.1094761 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 47947200 positive integers (up to 81094761) that are relatively prime to 81094761.
81094761 has 16 divisors, whose sum is 118920960
The reverse of 81094761 is 16749018
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million ninety-four thousand seven hundred sixty-one
Scientific notation
8.1094761 × 10^7
Engineering notation
8.1094761 × 10^6
Prime Factorization
3 × 123 × 11 × 19979
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81094761
Product of the distinct prime numbers
The prime factorization of 81094761 is 3 × 123 × 11 × 19979.
Since it has a total of 4 prime factors.
5 , 1 , 3 , 19 , 967 , 897 , 6630 , 9085 , 5332 , 31421 , 936653 , 972043 , 8772236 , 9066503 , 66298139 , 53919080 , 252895573 , 496926171 , 2393386050 , 7694820134
n×2
162189522
n×3
243284283
n×4
324379044
n×5
405473805
n÷2
40547380.5
n÷3
27031587
n÷3
20273690.25
n÷5
16218952.2
n2
6576360261647121
n3
5.3330836366817E+23
n4
4.3248514290971E+31
n5
3.5072279300314E+39
2 √n
9005.26296118
3 √n
432.84353251234
4 √n
94.896063992033
5 √n
38.176715334551
1 , 3 , 11 , 33 , 123 , 369 , 1353 , 4059 , 19979 , 59937 , 219769 , 659307 , 2457417 , 7372251 , 27031587 , 81094761
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
-81094760
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 81094761 can be divided by 16 positive divisors.
The sum of these divisors (counting 81094761) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101010110100001101001
3
Ternary
12122121001002200
4
Quaternary
10311112201221
5
Quinary
131230013021
6
Senary
12014050413
8
Octal
465264151
10
Decimal
81094761
12
Duodecimal
231a9a09
16
Hexadecimal
4d56869
20
Vigesimal
156ggi1
36
Base36
1ca549
md5
d2a96625a20d76a3b29c14c4d91a1e81
sha1
cd0b482d1fb413a60b25fc43793b191ce14a1da3
sha256
bee5323f78d7d679c98b1c3760eb910f780aa8ac29c3b374fe09341964ee4c7a
sha512
7286d91e2c1103b37e70696860550e1a965708e4e2b8503c82b9622d1da53beef6b8f7894dbdad88c49eae53f390ba5d4675de3ff18d0bb9efafbfd066dc0c53
ripemd-160
662d084915f0eef88b3059d86f266c5de9498fde
Diameter
162189522
Circumference
509533410.80444
Area
2.066024508535E+16
Volume
2.2339168498639E+24
Surface area
8.2640980341402E+16
Circumference
509533410.80444
Perimeter
324379044
Area
6576360261647121
Diagonal
114685310.8436
Surface area
39458161569882726
Volume
5.3330836366817E+23
Space diagonal
140460246.27966
Perimeter
243284283
Area
2.8476475255124E+15
Altitude
70230123.139828
Surface area
2.8476475255124E+15
Volume
6.2850993402211E+22
Height
38228436.947868