81237029 is an odd 8-digits prime number following 81237028
and preceding 81237030 . In scientific notation, it is written as 8.1237029 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 81237028 positive integers (up to 81237029) that are relatively prime to 81237029.
81237029 has 2 divisors, whose sum is 81237030
The reverse of 81237029 is 92073218
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million two hundred thirty-seven thousand twenty-nine
Scientific notation
8.1237029 × 10^7
Engineering notation
8.1237029 × 10^6
Prime Factorization
81237029
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81237029
Product of the distinct prime numbers
The prime factorization of 81237029 is 81237029.
Since it has a total of 1 prime factors.
8 , 2 , 45 , 68 , 404 , 201 , 6603 , 4778 , 681 , 44675 , 526825 , 708373 , 4099583 , 477068 , 61901572 , 91464320 , 669009624 , 682262556 , 9920981317 , 1767231863
n×2
162474058
n×3
243711087
n×4
324948116
n×5
406185145
n÷2
40618514.5
n÷3
27079009.666667
n÷3
20309257.25
n÷5
16247405.8
n2
6599454880746841
n3
5.3612010753142E+23
n4
4.3552804723013E+31
n5
3.5381004603148E+39
2 √n
9013.1586583173
3 √n
433.09650326449
4 √n
94.937656692786
5 √n
38.190100952846
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81237030
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40618515
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9013.1587137917
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753807
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81237029 can be divided by 2 positive divisors.
The sum of these divisors (counting 81237029) is 81237030, the average is 40618515.
Base
System
Value
2
Binary
100110101111001010000100101
3
Ternary
12122212021020212
4
Quaternary
10311321100211
5
Quinary
131244041104
6
Senary
12021105205
8
Octal
465712045
10
Decimal
81237029
12
Duodecimal
23258205
16
Hexadecimal
4d79425
20
Vigesimal
157ecb9
36
Base36
1cd6w5
md5
8695f8c0f6435ad99e9420b93fac5f9d
sha1
6e5b973ad51cc07aaa3b83fcfcaf48deb061f5a2
sha256
2c90917ceec48148503b555df43f25bfa52b2bdfe4e26aa38ce001b709b3943a
sha512
f330d22ff6493916ca0824b6e1ba7ff8a410ba5161863a65dba5ef9836f59e3e00c5da75b3d27be67aacdd76801746a799f982b09d51ef4e1da03d184f8c9fa5
ripemd-160
945ea7b66dab90c1f46bbd4f31cc02225600b33e
Diameter
162474058
Circumference
510427307.01172
Area
2.0732798971052E+16
Volume
2.2456946550166E+24
Surface area
8.2931195884206E+16
Circumference
510427307.01172
Perimeter
324948116
Area
6599454880746841
Diagonal
114886508.1787
Surface area
39596729284481046
Volume
5.3612010753142E+23
Space diagonal
140706661.68395
Perimeter
243711087
Area
2.857647788928E+15
Altitude
70353330.841973
Surface area
2.857647788928E+15
Volume
6.3182360594322E+22
Height
38295502.726232