1640994761 is an odd 10-digits composite number following 1640994760
and preceding 1640994762 . In scientific notation, it is written as 1.640994761 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 1406566896 positive integers (up to 1640994761) that are relatively prime to 1640994761.
1640994761 has 6 divisors, whose sum is 1908912330
The reverse of 1640994761 is 1674990461
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion six hundred forty million nine hundred ninety-four thousand seven hundred sixty-one
Scientific notation
1.640994761 × 10^9
Engineering notation
1.640994761 × 10^9
Prime Factorization
7 × 7 × 33489689
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
234427823
Product of the distinct prime numbers
The prime factorization of 1640994761 is 7 × 7 × 33489689.
Since it has a total of 3 prime factors.
1 , 6 , 41 , 99 , 312 , 299 , 9896 , 801 , 19372 , 23492 , 113417 , 13267 , 3573019 , 7764252 , 79918209 , 48525505 , 204061445 , 480220810 , 5319003728 , 1764032863
n×2
3281989522
n×3
4922984283
n×4
6563979044
n×5
8204973805
n÷2
820497380.5
n÷3
546998253.66667
n÷3
410248690.25
n÷5
328198952.2
n2
2692863805629447121
n3
4.4189753971244E+27
n4
7.2515154756691E+36
n5
1.1899698904883E+46
2 √n
40509.193536776
3 √n
1179.5120938453
4 √n
201.26895820463
5 √n
69.666090386387
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1640994760
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640994761 can be divided by 6 positive divisors.
The sum of these divisors (counting 1640994761) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1100001110011111001011111001001
3
Ternary
11020100211011121202
4
Quaternary
1201303321133021
5
Quinary
11330043313021
6
Senary
430500113545
8
Octal
14163713711
10
Decimal
1640994761
12
Duodecimal
3996958b5
16
Hexadecimal
61cf97c9
20
Vigesimal
15cg46i1
36
Base36
r507nt
md5
bfc87384879d88ec3125aeb4f5d25fe4
sha1
d9a6f46612d874b0622ec0fdca40357406c57566
sha256
15b6fe63cf6c15d4006fbbbcb44336926cdeeae37b249d00d092e27b92d6413d
sha512
375681247e28445e33620f16c596b8328b9865f85282b13447d7b3cc51791bb1c8cc08042696d1959265b64c8178f35d4b5f6c9a4104f3f752b609b1b93c869e
ripemd-160
f756b23a5e33cc8f869eb060c846334a0265798d
Diameter
3281989522
Circumference
10310674171.474
Area
8.4598811488833E+18
Volume
1.8510160858667E+28
Surface area
3.3839524595533E+19
Circumference
10310674171.474
Perimeter
6563979044
Area
2692863805629447121
Diagonal
2320717046.7894
Surface area
1.6157182833777E+19
Volume
4.4189753971244E+27
Space diagonal
2842286301.0063
Perimeter
4922984283
Area
1.1660442323034E+18
Altitude
1421143150.5032
Surface area
1.1660442323034E+18
Volume
5.207812448672E+26
Height
773572348.9298