1993647521 is an odd 10-digits composite number following 1993647520
and preceding 1993647522 . In scientific notation, it is written as 1.993647521 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1906967172 positive integers (up to 1993647521) that are relatively prime to 1993647521.
1993647521 has 4 divisors, whose sum is 2080327872
The reverse of 1993647521 is 1257463991
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred ninety-three million six hundred forty-seven thousand five hundred twenty-one
Scientific notation
1.993647521 × 10^9
Engineering notation
1.993647521 × 10^9
Prime Factorization
23 × 86680327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1993647521
Product of the distinct prime numbers
The prime factorization of 1993647521 is 23 × 86680327.
Since it has a total of 2 prime factors.
3 , 9 , 100 , 19 , 106 , 243 , 9702 , 3267 , 79474 , 54339 , 449298 , 969833 , 9824889 , 3521572 , 29999350 , 27126926 , 508602379 , 899380638 , 5733824764 , 9267542471
n×2
3987295042
n×3
5980942563
n×4
7974590084
n×5
9968237605
n÷2
996823760.5
n÷3
664549173.66667
n÷3
498411880.25
n÷5
398729504.2
n2
3974630437989445441
n3
7.9240121195888E+27
n4
1.5797687118592E+37
n5
3.1495019761515E+46
2 √n
44650.28018949
3 √n
1258.5856980945
4 √n
211.30612908643
5 √n
72.43186628461
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1993647520
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1993647521 can be divided by 4 positive divisors.
The sum of these divisors (counting 1993647521) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110110101001010010110100001
3
Ternary
12010221101210021002
4
Quaternary
1312311022112201
5
Quinary
13040333210041
6
Senary
525454441345
8
Octal
16665122641
10
Decimal
1993647521
12
Duodecimal
477803255
16
Hexadecimal
76d4a5a1
20
Vigesimal
1b305ig1
36
Base36
wyys9t
md5
b74896ddd1cb0e3257d92e9b9a021080
sha1
fc75fd8514764d95aaaf574d0dbfa5363154f937
sha256
f17ac294520f5a460401f02a218aa86d277e0bccc0eef5144c80126b92e1c323
sha512
6e5dbb80c8e876cb2d497a0cab93a23825a0d110022ad8c22fd7175fa26a097b5fdbb79220834613384b59e8e510b6e8d00dfefefb84ad825cb2c4966b5dd93f
ripemd-160
c1d96c8326d1c06d3179620a40baa533d2aad1e8
Diameter
3987295042
Circumference
12526456811.642
Area
1.2486669784722E+19
Volume
3.3192024349142E+28
Surface area
4.9946679138888E+19
Circumference
12526456811.642
Perimeter
7974590084
Area
3974630437989445441
Diagonal
2819443362.7897
Surface area
2.3847782627937E+19
Volume
7.9240121195888E+27
Space diagonal
3453098798.7557
Perimeter
5980942563
Area
1.7210654649769E+18
Altitude
1726549399.3779
Surface area
1.7210654649769E+18
Volume
9.3385378399427E+26
Height
939814454.26323