72771421 is an odd 8-digits prime number following 72771420
and preceding 72771422 . In scientific notation, it is written as 7.2771421 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 72771420 positive integers (up to 72771421) that are relatively prime to 72771421.
72771421 has 2 divisors, whose sum is 72771422
The reverse of 72771421 is 12417727
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-two million seven hundred seventy-one thousand four hundred twenty-one
Scientific notation
7.2771421 × 10^7
Engineering notation
7.2771421 × 10^6
Prime Factorization
72771421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72771421
Product of the distinct prime numbers
The prime factorization of 72771421 is 72771421.
Since it has a total of 1 prime factors.
3 , 7 , 49 , 42 , 47 , 553 , 4818 , 6323 , 62933 , 67280 , 829782 , 985975 , 7916160 , 3010035 , 85910652 , 41993494 , 530174209 , 591140665 , 3703270366 , 6218910035
n×2
145542842
n×3
218314263
n×4
291085684
n×5
363857105
n÷2
36385710.5
n÷3
24257140.333333
n÷3
18192855.25
n÷5
14554284.2
n2
5295679714359241
n3
3.853741379748E+23
n4
2.8044223637076E+31
n5
2.0408180049118E+39
2 √n
8530.6166834526
3 √n
417.49724931555
4 √n
92.361337601036
5 √n
37.358735763527
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72771422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36385711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8530.616742065
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999725167
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72771421 can be divided by 2 positive divisors.
The sum of these divisors (counting 72771421) is 72771422, the average is 36385711.
Base
System
Value
2
Binary
100010101100110011101011101
3
Ternary
12001221011121211
4
Quaternary
10111212131131
5
Quinary
122112141141
6
Senary
11115424421
8
Octal
425463535
10
Decimal
72771421
12
Duodecimal
20455111
16
Hexadecimal
456675d
20
Vigesimal
12eg8b1
36
Base36
17bqsd
md5
95a0ede9bf1995ed5b22befc02139f2e
sha1
de6a81173ef469997c7f1ae49275c1f34246bfc7
sha256
df782ba49d1a7d3d27220862c5ed17de3d3d334924555d8500cb44d9c603e747
sha512
d94923fa7d5478743a94a975269df614e5c6565121f9d8baa2b94fd760494e684865625c99a79eb790798f056f425a0640bc57108243d853a879975a7b3148b5
ripemd-160
97c49ce81a7f78d1bd595fe5a58d2489d1a22a91
Diameter
145542842
Circumference
457236323.20978
Area
1.6636868486395E+16
Volume
1.6142514143268E+24
Surface area
6.6547473945582E+16
Circumference
457236323.20978
Perimeter
291085684
Area
5295679714359241
Diagonal
102914330.53136
Surface area
31774078286155446
Volume
3.853741379748E+23
Space diagonal
126043798.51098
Perimeter
218314263
Area
2.2930965814705E+15
Altitude
63021899.255492
Surface area
2.2930965814705E+15
Volume
4.5416777709316E+22
Height
34304776.843787