81462009 is an odd 8-digits composite number following 81462008
and preceding 81462010 . In scientific notation, it is written as 8.1462009 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 54308004 positive integers (up to 81462009) that are relatively prime to 81462009.
81462009 has 4 divisors, whose sum is 108616016
The reverse of 81462009 is 90026418
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million four hundred sixty-two thousand nine
Scientific notation
8.1462009 × 10^7
Engineering notation
8.1462009 × 10^6
Prime Factorization
3 × 27154003
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81462009
Product of the distinct prime numbers
The prime factorization of 81462009 is 3 × 27154003.
Since it has a total of 2 prime factors.
8 , 4 , 86 , 89 , 558 , 929 , 1765 , 5597 , 45450 , 38461 , 147637 , 434354 , 5649644 , 7720755 , 60326866 , 46254685 , 972813564 , 224340355 , 6619629957 , 4499604649
n×2
162924018
n×3
244386027
n×4
325848036
n×5
407310045
n÷2
40731004.5
n÷3
27154003
n÷3
20365502.25
n÷5
16292401.8
n2
6636058910316081
n3
5.405866906767E+23
n4
4.4037277861185E+31
n5
3.5873651254634E+39
2 √n
9025.630670485
3 √n
433.49594442845
4 √n
95.003319260355
5 √n
38.211230496423
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81462008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81462009 can be divided by 4 positive divisors.
The sum of these divisors (counting 81462009) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110110000001011111001
3
Ternary
12200021200212110
4
Quaternary
10312300023321
5
Quinary
131323241014
6
Senary
12030002533
8
Octal
466601371
10
Decimal
81462009
12
Duodecimal
23346449
16
Hexadecimal
4db02f9
20
Vigesimal
1592f09
36
Base36
1ci0hl
md5
2eedd05edfde020b79daef052ff165a1
sha1
6cd2e7b003b4de455c570482b72c00f5dd6d5e45
sha256
c057924280acaf3ec5bb6aadcad1b3f811b1f1354e28d3c8c8d9a137f5bbfde9
sha512
a17d51dcb4594b5217a83013c7791cbe1f6c07bcff0161baebb3031ea979e19916e11358668431aeae5407cf153f4af20fa08e35d0b085b266bf069ca3b3aa7c
ripemd-160
1b80d251817c7276ac31866c52f3a4ece873ed40
Diameter
162924018
Circumference
511840898.04213
Area
2.0847793921438E+16
Volume
2.2644042347444E+24
Surface area
8.3391175685752E+16
Circumference
511840898.04213
Perimeter
325848036
Area
6636058910316081
Diagonal
115204677.94596
Surface area
39816353461896486
Volume
5.405866906767E+23
Space diagonal
141096338.47463
Perimeter
244386027
Area
2.8734977986719E+15
Altitude
70548169.237317
Surface area
2.8734977986719E+15
Volume
6.3708752466115E+22
Height
38401559.31532