81140983 is an odd 8-digits composite number following 81140982
and preceding 81140984 . In scientific notation, it is written as 8.1140983 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 59506560 positive integers (up to 81140983) that are relatively prime to 81140983.
81140983 has 16 divisors, whose sum is 107115264
The reverse of 81140983 is 38904118
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million one hundred forty thousand nine hundred eighty-three
Scientific notation
8.1140983 × 10^7
Engineering notation
8.1140983 × 10^6
Prime Factorization
7 × 17 × 11 × 61987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81140983
Product of the distinct prime numbers
The prime factorization of 81140983 is 7 × 17 × 11 × 61987.
Since it has a total of 4 prime factors.
1 , 8 , 10 , 3 , 479 , 697 , 1879 , 638 , 12988 , 77110 , 738645 , 405928 , 1924812 , 1173657 , 81881648 , 2927735 , 59943565 , 446820081 , 110734358 , 6066740596
n×2
162281966
n×3
243422949
n×4
324563932
n×5
405704915
n÷2
40570491.5
n÷3
27046994.333333
n÷3
20285245.75
n÷5
16228196.6
n2
6583859122206289
n3
5.3422080110934E+23
n4
4.3347200941059E+31
n5
3.517234494656E+39
2 √n
9007.828983723
3 √n
432.92575358133
4 √n
94.909583202767
5 √n
38.181066298633
1 , 7 , 11 , 17 , 77 , 119 , 187 , 1309 , 61987 , 433909 , 681857 , 1053779 , 4772999 , 7376453 , 11591569 , 81140983
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
-81140982
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 81140983 can be divided by 16 positive divisors.
The sum of these divisors (counting 81140983) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101100001110011110111
3
Ternary
12122200101111121
4
Quaternary
10311201303313
5
Quinary
131233002413
6
Senary
12015044411
8
Octal
465416367
10
Decimal
81140983
12
Duodecimal
23210707
16
Hexadecimal
4d61cf7
20
Vigesimal
1572c93
36
Base36
1cb4s7
md5
a82f24be1a4ac3b4ff8d38edcf73bdfb
sha1
ad4081fb636b3739d7cba7a1dec9a160b78cbf1d
sha256
78bf7e1c64a7f72338f6746057bebe0015fdcb3b8a78b5c57e285ae60da81af6
sha512
3d96fb9f879eefc550b23733229fd06843afc86d3db410e2595e995a88113edf555b7e85324911bc8e34d9e47ce78da11e7a8fe1fdf64c550b59bff268eb8de0
ripemd-160
d6dc427566feb51472ca24f3d9b5a7b98d53e67f
Diameter
162281966
Circumference
509823832.19571
Area
2.0683803450593E+16
Volume
2.2377388588799E+24
Surface area
8.2735213802374E+16
Circumference
509823832.19571
Perimeter
324563932
Area
6583859122206289
Diagonal
114750678.62288
Surface area
39503154733237734
Volume
5.3422080110934E+23
Space diagonal
140540305.13208
Perimeter
243422949
Area
2.8508946273843E+15
Altitude
70270152.566041
Surface area
2.8508946273843E+15
Volume
6.2958525185887E+22
Height
38250226.207628