2051247721 is an odd 10-digits composite number following 2051247720
and preceding 2051247722 . In scientific notation, it is written as 2.051247721 × 10^9.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 2043068928 positive integers (up to 2051247721) that are relatively prime to 2051247721.
2051247721 has 8 divisors, whose sum is 2059437960
The reverse of 2051247721 is 1277421502
Previous prime number is 3617
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 31
Digital Root 4
Name
two billion fifty-one million two hundred forty-seven thousand seven hundred twenty-one
Scientific notation
2.051247721 × 10^9
Engineering notation
2.051247721 × 10^9
Prime Factorization
317 × 3617 × 1789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2051247721
Product of the distinct prime numbers
The prime factorization of 2051247721 is 317 × 3617 × 1789.
Since it has a total of 3 prime factors.
5 , 6 , 20 , 86 , 668 , 724 , 4648 , 8247 , 95496 , 11148 , 562218 , 7808 , 1066048 , 5816933 , 42235720 , 24882723 , 27865553 , 974570165 , 2652899686 , 8787398118
n×2
4102495442
n×3
6153743163
n×4
8204990884
n×5
10256238605
n÷2
1025623860.5
n÷3
683749240.33333
n÷3
512811930.25
n÷5
410249544.2
n2
4207617212907693841
n3
8.6308652188173E+27
n4
1.7704042610357E+37
n5
3.6315377056982E+46
2 √n
45290.702368146
3 √n
1270.5917677418
4 √n
212.81612337449
5 √n
72.845649908627
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2051247720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2051247721 can be divided by 8 positive divisors.
The sum of these divisors (counting 2051247721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111010010000111000111001101001
3
Ternary
12021221210011212211
4
Quaternary
1322100320321221
5
Quinary
13200104411341
6
Senary
535313205121
8
Octal
17220707151
10
Decimal
2051247721
12
Duodecimal
492b607a1
16
Hexadecimal
7a438e69
20
Vigesimal
1c105j61
36
Base36
xx9cvd
md5
2c23caeb89f4cc8ada563ce204fbb7e5
sha1
f14fd280e94fc15a7a6b4b84460e44d9f5f339e4
sha256
789d9e26fa2a6bc476ffda1df16a24562a68d94d2c1e26ecbd6626c775c82a48
sha512
9379cc29a4b15537df5372917501f7c582587d154f77afcbc9e45352a15149af643224ad49715518587c2e82fa1d640e75f6ac20d98783749765f27834df4611
ripemd-160
2c0fce536c0ac3e09b041439381c635cdf54552a
Diameter
4102495442
Circumference
12888369541.973
Area
1.3218619325189E+19
Volume
3.6152883687413E+28
Surface area
5.2874477300755E+19
Circumference
12888369541.973
Perimeter
8204990884
Area
4207617212907693841
Diagonal
2900902346.8251
Surface area
2.5245703277446E+19
Volume
8.6308652188173E+27
Space diagonal
3552865271.6819
Perimeter
6153743163
Area
1.8219516978894E+18
Altitude
1776432635.8409
Surface area
1.8219516978894E+18
Volume
1.0171572206221E+27
Height
966967448.9417