640426943 is an odd 9-digits composite number following 640426942
and preceding 640426944 . In scientific notation, it is written as 6.40426943 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 591163320 positive integers (up to 640426943) that are relatively prime to 640426943.
640426943 has 4 divisors, whose sum is 689690568
The reverse of 640426943 is 349624046
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty million four hundred twenty-six thousand nine hundred forty-three
Scientific notation
6.40426943 × 10^8
Engineering notation
6.40426943 × 10^6
Prime Factorization
13 × 49263611
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
640426943
Product of the distinct prime numbers
The prime factorization of 640426943 is 13 × 49263611.
Since it has a total of 2 prime factors.
1 , 5 , 73 , 81 , 311 , 76 , 2336 , 3091 , 33218 , 78525 , 185069 , 47366 , 2957961 , 3851827 , 99583633 , 78146544 , 717513949 , 628771443 , 806797730 , 9609653139
n×2
1280853886
n×3
1921280829
n×4
2561707772
n×5
3202134715
n÷2
320213471.5
n÷3
213475647.66667
n÷3
160106735.75
n÷5
128085388.6
n2
410146669320325249
n3
2.6266897761445E+26
n4
1.6822029035456E+35
n5
1.0773280630234E+44
2 √n
25306.658076483
3 √n
861.96546275205
4 √n
159.08066531318
5 √n
57.715693565436
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
-640426942
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 640426943 can be divided by 4 positive divisors.
The sum of these divisors (counting 640426943) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001011000010001110111111
3
Ternary
1122122002001121102
4
Quaternary
212023002032333
5
Quinary
2302422130233
6
Senary
143314323315
8
Octal
4613021677
10
Decimal
640426943
12
Duodecimal
15a58953b
16
Hexadecimal
262c23bf
20
Vigesimal
a02d773
36
Base36
alaklb
md5
56acbee3867df9369ec6b35ff764db8c
sha1
5c5d8c34bd61f28d9f4a533549e0320dee23581c
sha256
7f76ab64a0ff74ec283ac8023f66eb4fc363985ace564847f2923e4c1fe117bd
sha512
78891a9953f8639b414e9e181e7dc8a27336419b6aa4b49d4e7b31d72ab3ba594531b7651717f375dcef1022afabeb75aac07916a5e87e5cae1dd199e94d9634
ripemd-160
2569c215fa830c28031a7607a166c2faf866feae
Diameter
1280853886
Circumference
4023921158.5795
Area
1.2885137632311E+18
Volume
1.1002652405327E+27
Surface area
5.1540550529242E+18
Circumference
4023921158.5795
Perimeter
2561707772
Area
410146669320325249
Diagonal
905700468.49974
Surface area
2460880015921951494
Volume
2.6266897761445E+26
Space diagonal
1109252003.812
Perimeter
1921280829
Area
1.7759871745449E+17
Altitude
554626001.90601
Surface area
1.7759871745449E+17
Volume
3.0955835879752E+25
Height
301900156.16658