81350900 is an even 8-digits composite number following 81350899
and preceding 81350901 . In scientific notation, it is written as 8.1350900 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 32467200 positive integers (up to 81350900) that are relatively prime to 81350900.
81350900 has 24 divisors, whose sum is 148391880
The reverse of 81350900 is 00905318
Previous prime number is 1069
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million three hundred fifty thousand nine hundred
Scientific notation
8.1350900 × 10^7
Engineering notation
8.1350900 × 10^6
Prime Factorization
2 × 2 × 25 × 1069 × 761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40675450
Product of the distinct prime numbers
The prime factorization of 81350900 is 2 × 2 × 25 × 1069 × 761.
Since it has a total of 5 prime factors.
4 , 4 , 66 , 53 , 724 , 745 , 4969 , 1204 , 46197 , 33198 , 136599 , 438109 , 8835601 , 7667470 , 79277325 , 60539092 , 84830520 , 367624408 , 2575273870 , 2429545166
n×2
162701800
n×3
244052700
n×4
325403600
n×5
406754500
n÷2
40675450
n÷3
27116966.666667
n÷3
20337725
n÷5
16270180
n2
6617968930810000
n3
5.3837772869343E+23
n4
4.3797512769166E+31
n5
3.5629670815332E+39
2 √n
9019.473377088
3 √n
433.29876778859
4 √n
94.970908056562
5 √n
38.200801267248
1 , 2 , 4 , 25 , 50 , 100 , 761 , 1069 , 1522 , 2138 , 3044 , 4276 , 19025 , 26725 , 38050 , 53450 , 76100 , 106900 , 813509 , 1627018 , 3254036 , 20337725 , 40675450 , 81350900
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81350899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81350900 can be divided by 24 positive divisors.
The sum of these divisors (counting 81350900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110010101000011110100
3
Ternary
12200002001110022
4
Quaternary
10312111003310
5
Quinary
131311212100
6
Senary
12023344312
8
Octal
466250364
10
Decimal
81350900
12
Duodecimal
232b2098
16
Hexadecimal
4d950f4
20
Vigesimal
1588h50
36
Base36
1cfmr8
md5
e7598236cfc4d4d31401c8a220bf3e0b
sha1
9f7079f6ee33083fc1922734ffa5b62caa07938e
sha256
f030c636dd7888debeb30b59fc03a47d6ec8f186792da4838cc72fcbb74c92f3
sha512
7b4fce010f037477bd9efaa388b954f231a88f7afb5cc96a3064908ffd9ce7b2448367b5663948a16b36cdc5db1a295f319d81da1ccb362d9080dd503e479809
ripemd-160
23f1af86907a20f2424f9ef9ee698e0e4e9fade4
Diameter
162701800
Circumference
511142779.60584
Area
2.0790962574718E+16
Volume
2.2551513564262E+24
Surface area
8.3163850298873E+16
Circumference
511142779.60584
Perimeter
325403600
Area
6617968930810000
Diagonal
115047546.09126
Surface area
39707813584860000
Volume
5.3837772869343E+23
Space diagonal
140903892.04145
Perimeter
244052700
Area
2.8656646077688E+15
Altitude
70451946.020727
Surface area
2.8656646077688E+15
Volume
6.3448423799823E+22
Height
38349182.030419