81776338 is an even 8-digits composite number following 81776337
and preceding 81776339 . In scientific notation, it is written as 8.1776338 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 34987680 positive integers (up to 81776338) that are relatively prime to 81776338.
81776338 has 16 divisors, whose sum is 140425344
The reverse of 81776338 is 83367718
Previous prime number is 631
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-one million seven hundred seventy-six thousand three hundred thirty-eight
Scientific notation
8.1776338 × 10^7
Engineering notation
8.1776338 × 10^6
Prime Factorization
2 × 7 × 631 × 9257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81776338
Product of the distinct prime numbers
The prime factorization of 81776338 is 2 × 7 × 631 × 9257.
Since it has a total of 4 prime factors.
3 , 8 , 26 , 17 , 634 , 719 , 5596 , 4442 , 94803 , 28202 , 308028 , 199830 , 2343267 , 3228930 , 413768 , 53118594 , 688231771 , 541056608 , 5526647355 , 5679744440
n×2
163552676
n×3
245329014
n×4
327105352
n×5
408881690
n÷2
40888169
n÷3
27258779.333333
n÷3
20444084.5
n÷5
16355267.6
n2
6687369456690244
n3
5.4686858502118E+23
n4
4.4720910250274E+31
n5
3.657112272294E+39
2 √n
9043.0270374471
3 √n
434.05279076386
4 √n
95.094831812497
5 √n
38.240673429979
1 , 2 , 7 , 14 , 631 , 1262 , 4417 , 8834 , 9257 , 18514 , 64799 , 129598 , 5841167 , 11682334 , 40888169 , 81776338
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81776337
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81776338 can be divided by 16 positive divisors.
The sum of these divisors (counting 81776338) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111111100111011010010
3
Ternary
12200212200001021
4
Quaternary
10313330323102
5
Quinary
131413320323
6
Senary
12040430054
8
Octal
467747322
10
Decimal
81776338
12
Duodecimal
2347832a
16
Hexadecimal
4dfced2
20
Vigesimal
15b20gi
36
Base36
1cor0y
md5
85417f515787fa3cc56621b3d773bdb7
sha1
929c55c0164418031283892e26f233fee556c10e
sha256
e478a877729d58518eb3f5011e5c0969e9bec9779d34f96efa4b7891d1d2ebdc
sha512
cc9bea9e900b60785508564d5f83627b565c39924f71b49c6ebafde5104ba1a337e2b2e6fd826441b04695a299991baebac13f7bc41c469584ccd3d638fa10c1
ripemd-160
8548fe7a1c9bf14a5d4c121f0958ac5ca639f7c6
Diameter
163552676
Circumference
513815885.39655
Area
2.1008990756979E+16
Volume
2.2907177722421E+24
Surface area
8.4035963027915E+16
Circumference
513815885.39655
Perimeter
327105352
Area
6687369456690244
Diagonal
115649206.28081
Surface area
40124216740141464
Volume
5.4686858502118E+23
Space diagonal
141640772.27293
Perimeter
245329014
Area
2.8957159169929E+15
Altitude
70820386.136463
Surface area
2.8957159169929E+15
Volume
6.4449080814394E+22
Height
38549735.426935