1640991245 is an odd 10-digits composite number following 1640991244
and preceding 1640991246 . In scientific notation, it is written as 1.640991245 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 1267524160 positive integers (up to 1640991245) that are relatively prime to 1640991245.
1640991245 has 8 divisors, whose sum is 2037092760
The reverse of 1640991245 is 5421990461
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion six hundred forty million nine hundred ninety-one thousand two hundred forty-five
Scientific notation
1.640991245 × 10^9
Engineering notation
1.640991245 × 10^9
Prime Factorization
5 × 29 × 11317181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640991245
Product of the distinct prime numbers
The prime factorization of 1640991245 is 5 × 29 × 11317181.
Since it has a total of 3 prime factors.
9 , 10 , 33 , 55 , 350 , 433 , 7125 , 3203 , 98557 , 63430 , 108876 , 804170 , 3533573 , 254327 , 27039739 , 62028902 , 444780805 , 720117185 , 2548791684 , 394383917
n×2
3281982490
n×3
4922973735
n×4
6563964980
n×5
8204956225
n÷2
820495622.5
n÷3
546997081.66667
n÷3
410247811.25
n÷5
328198249
n2
2692852266166650025
n3
4.4189469928579E+27
n4
7.2514533273989E+36
n5
1.1899571423788E+46
2 √n
40509.150139197
3 √n
1179.5112514361
4 √n
201.26885039468
5 √n
69.666060533009
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
-1640991244
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 1640991245 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640991245) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011111000101000001101
3
Ternary
11020100210222210112
4
Quaternary
1201303320220031
5
Quinary
11330043204440
6
Senary
430500045405
8
Octal
14163705015
10
Decimal
1640991245
12
Duodecimal
399693865
16
Hexadecimal
61cf8a0d
20
Vigesimal
15cg3i25
36
Base36
r504y5
md5
b6d4693499e48268dc6a4214a00a15cb
sha1
442afd8afa2e7607f3181ecd2744a10358a9c08c
sha256
66884c5b010c902edf3e60a339c65b6112f59c1daa3901811f34b8f557a95e8a
sha512
85b1c803c2241a2244b22a281d83c75e81ce7c9d837aec643f292ca07e370a501c545ee7ea502bb5e976406eea65008d3ae5ca1477c95fdba622c3555d66c2b3
ripemd-160
2b44a73d94cb485caba402304bffd7eeb831e383
Diameter
3281982490
Circumference
10310652079.794
Area
8.4598448965918E+18
Volume
1.8510041879153E+28
Surface area
3.3839379586367E+19
Circumference
10310652079.794
Perimeter
6563964980
Area
2692852266166650025
Diagonal
2320712074.4145
Surface area
1.6157113597E+19
Volume
4.4189469928579E+27
Space diagonal
2842280211.1157
Perimeter
4922973735
Area
1.1660392355694E+18
Altitude
1421140105.5579
Surface area
1.1660392355694E+18
Volume
5.2077789739229E+26
Height
773570691.4715