640426938 is an even 9-digits composite number following 640426937
and preceding 640426939 . In scientific notation, it is written as 6.40426938 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 211550400 positive integers (up to 640426938) that are relatively prime to 640426938.
640426938 has 16 divisors, whose sum is 968427264
The reverse of 640426938 is 839624046
Previous prime number is 151
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty million four hundred twenty-six thousand nine hundred thirty-eight
Scientific notation
6.40426938 × 10^8
Engineering notation
6.40426938 × 10^6
Prime Factorization
2 × 2127 × 151 × 997
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
640426938
Product of the distinct prime numbers
The prime factorization of 640426938 is 2 × 2127 × 151 × 997.
Since it has a total of 4 prime factors.
1 , 10 , 52 , 61 , 602 , 887 , 4324 , 1453 , 75292 , 57532 , 192611 , 182983 , 132537 , 4239758 , 5671140 , 41945772 , 208597784 , 122963778 , 4618056276 , 8147284859
n×2
1280853876
n×3
1921280814
n×4
2561707752
n×5
3202134690
n÷2
320213469
n÷3
213475646
n÷3
160106734.5
n÷5
128085387.6
n2
410146662916055844
n3
2.6266897146225E+26
n4
1.6822028510118E+35
n5
1.0773280209683E+44
2 √n
25306.657977694
3 √n
861.96546050885
4 √n
159.08066500268
5 √n
57.715693475315
1 , 2 , 151 , 302 , 997 , 1994 , 2127 , 4254 , 150547 , 301094 , 321177 , 642354 , 2120619 , 4241238 , 320213469 , 640426938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640426937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640426938 can be divided by 16 positive divisors.
The sum of these divisors (counting 640426938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001011000010001110111010
3
Ternary
1122122002001121020
4
Quaternary
212023002032322
5
Quinary
2302422130223
6
Senary
143314323310
8
Octal
4613021672
10
Decimal
640426938
12
Duodecimal
15a589536
16
Hexadecimal
262c23ba
20
Vigesimal
a02d76i
36
Base36
alakl6
md5
ccab4149d91adf827915d2dbb5f6b770
sha1
4795aab1c5695a5e35687efa0665ba9431e50875
sha256
3c315461b46a696cab9d93eb20ab656dfa02144a39e308f70f92ab78c2838f72
sha512
92542f24d506e75e9d9e9d655aa8a6ebe1e3f6131286caacb918aecb56e89047af3dd29e39d42496166edc35ee3531c37383fbd4f7d9f8d561056b34a37915b4
ripemd-160
37c2ee04562f1d2704f54080edd38cfb8d4ad4ec
Diameter
1280853876
Circumference
4023921127.1636
Area
1.2885137431115E+18
Volume
1.1002652147624E+27
Surface area
5.1540549724458E+18
Circumference
4023921127.1636
Perimeter
2561707752
Area
410146662916055844
Diagonal
905700461.42867
Surface area
2460879977496335064
Volume
2.6266897146225E+26
Space diagonal
1109251995.1518
Perimeter
1921280814
Area
1.7759871468136E+17
Altitude
554625997.57588
Surface area
1.7759871468136E+17
Volume
3.0955835154709E+25
Height
301900153.80956