81404562 is an even 8-digits composite number following 81404561
and preceding 81404563 . In scientific notation, it is written as 8.1404562 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 26829792 positive integers (up to 81404562) that are relatively prime to 81404562.
81404562 has 8 divisors, whose sum is 122564976
The reverse of 81404562 is 26540418
Previous prime number is 267
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million four hundred four thousand five hundred sixty-two
Scientific notation
8.1404562 × 10^7
Engineering notation
8.1404562 × 10^6
Prime Factorization
2 × 267 × 152443
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81404562
Product of the distinct prime numbers
The prime factorization of 81404562 is 2 × 267 × 152443.
Since it has a total of 3 prime factors.
7 , 9 , 68 , 24 , 180 , 60 , 7555 , 1194 , 61228 , 40948 , 932453 , 325294 , 6491617 , 8887689 , 85178529 , 90922902 , 775888984 , 244403465 , 3575849743 , 9514383782
n×2
162809124
n×3
244213686
n×4
325618248
n×5
407022810
n÷2
40702281
n÷3
27134854
n÷3
20351140.5
n÷5
16280912.4
n2
6626702714411844
n3
5.3944383197091E+23
n4
4.3913188865193E+31
n5
3.5747339055943E+39
2 √n
9022.4476723337
3 √n
433.39402003452
4 √n
94.986565746603
5 √n
38.205839664434
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
-81404561
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 81404562 can be divided by 8 positive divisors.
The sum of these divisors (counting 81404562) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110100010001010010010
3
Ternary
12200011210001210
4
Quaternary
10312202022102
5
Quinary
131314421222
6
Senary
12024440550
8
Octal
466421222
10
Decimal
81404562
12
Duodecimal
23319156
16
Hexadecimal
4da2292
20
Vigesimal
158fb82
36
Base36
1cgs5u
md5
102392dfa8c9973c9e5ead4f2e07dacd
sha1
1934d9ef047abc1c37b0b8ec73d8edd6da2e7d81
sha256
566f796dc445732eb43f6e4c38594330d919f86154228bdb874730adc45d5051
sha512
7fc3656f8b2632c89feaaf7ff401b7d36cabd5bc788dc49e4e0c6568b2a5d3eee50573698cceff8c5b61896400a07442c3697445713eaf562658baa198af5cb6
ripemd-160
caa95609a57a6cd259cd45b599ec48266dbbb225
Diameter
162809124
Circumference
511479947.89579
Area
2.081840056512E+16
Volume
2.2596170393922E+24
Surface area
8.3273602260479E+16
Circumference
511479947.89579
Perimeter
325618248
Area
6626702714411844
Diagonal
115123435.61944
Surface area
39760216286471064
Volume
5.3944383197091E+23
Space diagonal
140996837.35189
Perimeter
244213686
Area
2.869446447004E+15
Altitude
70498418.675945
Surface area
2.869446447004E+15
Volume
6.3574065275981E+22
Height
38374478.539814