82147921 is an odd 8-digits prime number following 82147920
and preceding 82147922 . In scientific notation, it is written as 8.2147921 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 82147920 positive integers (up to 82147921) that are relatively prime to 82147921.
82147921 has 2 divisors, whose sum is 82147922
The reverse of 82147921 is 12974128
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-two million one hundred forty-seven thousand nine hundred twenty-one
Scientific notation
8.2147921 × 10^7
Engineering notation
8.2147921 × 10^6
Prime Factorization
82147921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
82147921
Product of the distinct prime numbers
The prime factorization of 82147921 is 82147921.
Since it has a total of 1 prime factors.
1 , 3 , 28 , 73 , 618 , 473 , 2986 , 9674 , 11296 , 59748 , 442874 , 854893 , 7101966 , 8368033 , 77194237 , 30697866 , 891627903 , 994574051 , 2512184178 , 6562817328
n×2
164295842
n×3
246443763
n×4
328591684
n×5
410739605
n÷2
41073960.5
n÷3
27382640.333333
n÷3
20536980.25
n÷5
16429584.2
n2
6748280924622241
n3
5.5435724828167E+23
n4
4.553929543762E+31
n5
3.7409584440053E+39
2 √n
9063.54902894
3 √n
434.70922744274
4 √n
95.202673433786
5 √n
38.275362749541
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
82147922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
41073961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9063.5490841061
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999756537
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82147921 can be divided by 2 positive divisors.
The sum of these divisors (counting 82147921) is 82147922, the average is 41073961.
Base
System
Value
2
Binary
100111001010111101001010001
3
Ternary
12201120112202121
4
Quaternary
10321113221101
5
Quinary
132012213141
6
Senary
12052414241
8
Octal
471275121
10
Decimal
82147921
12
Duodecimal
23617381
16
Hexadecimal
4e57a51
20
Vigesimal
15d89g1
36
Base36
1cwpqp
md5
e3fe76b2708f961ba6f9c851ca836d18
sha1
c3ca3e6c53076a9b7036ddf993e21d6743a3a8bc
sha256
2ca22a9887890401fdd1f69914a1f953da04a62c501cb99351da3543b5b8d05a
sha512
20b8a138d842ba10aa3043703a81a7d85327c11cfd470d2a3f558a8eec2311d14f293798ee25bd2b0c226df00da4cb2fe1c3fcfe363ef20568f194bd5ed41662
ripemd-160
0f13ddf3e780663a2ede7df54d5cead8f62db2fd
Diameter
164295842
Circumference
516150610.24255
Area
2.1200349777153E+16
Volume
2.3220862115546E+24
Surface area
8.4801399108613E+16
Circumference
516150610.24255
Perimeter
328591684
Area
6748280924622241
Diagonal
116174703.99895
Surface area
40489685547733446
Volume
5.5435724828167E+23
Space diagonal
142284372.90815
Perimeter
246443763
Area
2.9220913562984E+15
Altitude
71142186.454077
Surface area
2.9220913562984E+15
Volume
6.5331628243314E+22
Height
38724901.332985