1640894639 is an odd 10-digits composite number following 1640894638
and preceding 1640894640 . In scientific notation, it is written as 1.640894639 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 1631441376 positive integers (up to 1640894639) that are relatively prime to 1640894639.
1640894639 has 8 divisors, whose sum is 1650374880
The reverse of 1640894639 is 9364980461
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion six hundred forty million eight hundred ninety-four thousand six hundred thirty-nine
Scientific notation
1.640894639 × 10^9
Engineering notation
1.640894639 × 10^9
Prime Factorization
293 × 439 × 12757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640894639
Product of the distinct prime numbers
The prime factorization of 1640894639 is 293 × 439 × 12757.
Since it has a total of 3 prime factors.
1 , 5 , 38 , 59 , 356 , 462 , 9737 , 773 , 81639 , 33296 , 875566 , 59081 , 9873073 , 6589918 , 32089964 , 11109418 , 875854372 , 698711200 , 8344782311 , 9906634603
n×2
3281789278
n×3
4922683917
n×4
6563578556
n×5
8204473195
n÷2
820447319.5
n÷3
546964879.66667
n÷3
410223659.75
n÷5
328178927.8
n2
2692535216298940321
n3
4.4181666017436E+27
n4
7.24974589101E+36
n5
1.1896069166671E+46
2 √n
40507.957724378
3 √n
1179.4881048368
4 √n
201.26588812906
5 √n
69.665240258318
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
-1640894638
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 1640894639 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640894639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011100001000010101111
3
Ternary
11020100122002021112
4
Quaternary
1201303201002233
5
Quinary
11330032112024
6
Senary
430454022235
8
Octal
14163410257
10
Decimal
1640894639
12
Duodecimal
39964797b
16
Hexadecimal
61ce10af
20
Vigesimal
15cfbgbj
36
Base36
r4y2en
md5
2fad9cd980d496242655ad59c927a2f9
sha1
7be6043d156987a2b0ee5118effc07ac28e0555e
sha256
58efd035cb10edcded5e0c44ba270dee0e103862e03d6cbc4e2d2984ea5a23ba
sha512
20fde7c619b91bd3c6959fd313df5d04492e179bd6e432f21ba114f6fc553dbc3a0bcb72f27260203912ccc32e851dfdbec22b14d50e99fcc226ce59ff19aa35
ripemd-160
eb85a19235e514760bf94683786e601fb41c7f5c
Diameter
3281789278
Circumference
10310045086.395
Area
8.4588488550566E+18
Volume
1.8506772984498E+28
Surface area
3.3835395420226E+19
Circumference
10310045086.395
Perimeter
6563578556
Area
2692535216298940321
Diagonal
2320575452.8991
Surface area
1.6155211297794E+19
Volume
4.4181666017436E+27
Space diagonal
2842112884.6154
Perimeter
4922683917
Area
1.1659019489496E+18
Altitude
1421056442.3077
Surface area
1.1659019489496E+18
Volume
5.2068592741748E+26
Height
773525150.96637