81293362 is an even 8-digits composite number following 81293361
and preceding 81293363 . In scientific notation, it is written as 8.1293362 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 36031248 positive integers (up to 81293362) that are relatively prime to 81293362.
81293362 has 32 divisors, whose sum is 136857600
The reverse of 81293362 is 26339218
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million two hundred ninety-three thousand three hundred sixty-two
Scientific notation
8.1293362 × 10^7
Engineering notation
8.1293362 × 10^6
Prime Factorization
2 × 23 × 19 × 47 × 1979
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81293362
Product of the distinct prime numbers
The prime factorization of 81293362 is 2 × 23 × 19 × 47 × 1979.
Since it has a total of 5 prime factors.
10 , 2 , 37 , 51 , 542 , 86 , 8424 , 2206 , 13284 , 91577 , 769259 , 56890 , 1274341 , 9218720 , 90277507 , 38600688 , 274147949 , 282209516 , 1668801819 , 3545758278
n×2
162586724
n×3
243880086
n×4
325173448
n×5
406466810
n÷2
40646681
n÷3
27097787.333333
n÷3
20323340.5
n÷5
16258672.4
n2
6608610705263044
n3
5.3723618238002E+23
n4
4.3673735453717E+31
n5
3.5503847861313E+39
2 √n
9016.2831588188
3 √n
433.19658893709
4 √n
94.954110805266
5 √n
38.195395992547
1 , 2 , 19 , 23 , 38 , 46 , 47 , 94 , 437 , 874 , 893 , 1081 , 1786 , 1979 , 2162 , 3958 , 20539 , 37601 , 41078 , 45517 , 75202 , 91034 , 93013 , 186026 , 864823 , 1729646 , 1767247 , 2139299 , 3534494 , 4278598 , 40646681 , 81293362
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81293361
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81293362 can be divided by 32 positive divisors.
The sum of these divisors (counting 81293362) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110000111000000110010
3
Ternary
12122222010112021
4
Quaternary
10312013000302
5
Quinary
131302341422
6
Senary
12022222054
8
Octal
466070062
10
Decimal
81293362
12
Duodecimal
2328492a
16
Hexadecimal
4d87032
20
Vigesimal
1581d82
36
Base36
1ceecy
md5
6ced66858adc0c628564d6c87309b3af
sha1
ad8ef79ee11d78f4ce4ab9f1957968c793ee2885
sha256
73ab6c1055dce651ef63d1647475b694c5f451519da6b0f546da811d792a0273
sha512
fb184cc9eba4dd7571c75aec38332259921ca604212f387d0ba4834ca37429f9d6a6264fd8880ae17af8f70291f0ea261b03b505211ae704dadfd654a1412e4c
ripemd-160
684e6c4e1c241252a54c8d6b3f0ce5236ff515d5
Diameter
162586724
Circumference
510781257.68963
Area
2.0761562842089E+16
Volume
2.2503696584103E+24
Surface area
8.3046251368357E+16
Circumference
510781257.68963
Perimeter
325173448
Area
6608610705263044
Diagonal
114966175.07131
Surface area
39651664231578264
Volume
5.3723618238002E+23
Space diagonal
140804233.30209
Perimeter
243880086
Area
2.8616123772398E+15
Altitude
70402116.651045
Surface area
2.8616123772398E+15
Volume
6.3313891276615E+22
Height
38322058.357102