640948843 is an odd 9-digits composite number following 640948842
and preceding 640948844 . In scientific notation, it is written as 6.40948843 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 613081480 positive integers (up to 640948843) that are relatively prime to 640948843.
640948843 has 4 divisors, whose sum is 668816208
The reverse of 640948843 is 348849046
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred forty million nine hundred forty-eight thousand eight hundred forty-three
Scientific notation
6.40948843 × 10^8
Engineering notation
6.40948843 × 10^6
Prime Factorization
23 × 27867341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
640948843
Product of the distinct prime numbers
The prime factorization of 640948843 is 23 × 27867341.
Since it has a total of 2 prime factors.
10 , 10 , 92 , 65 , 296 , 265 , 7300 , 3920 , 9317 , 85305 , 173342 , 493513 , 140260 , 7726540 , 65045792 , 54853364 , 325524762 , 592798218 , 2946954214 , 7211040467
n×2
1281897686
n×3
1922846529
n×4
2563795372
n×5
3204744215
n÷2
320474421.5
n÷3
213649614.33333
n÷3
160237210.75
n÷5
128189768.6
n2
410815419343038649
n3
2.6331166771448E+26
n4
1.6876930877E+35
n5
1.0817249319004E+44
2 √n
25316.967492178
3 √n
862.19954494495
4 √n
159.11306512093
5 √n
57.725097294242
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
-640948842
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 640948843 can be divided by 4 positive divisors.
The sum of these divisors (counting 640948843) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001101000001101001101011
3
Ternary
1122200001120112001
4
Quaternary
212031001221223
5
Quinary
2303040330333
6
Senary
143333431431
8
Octal
4615015153
10
Decimal
640948843
12
Duodecimal
15a79b577
16
Hexadecimal
26341a6b
20
Vigesimal
a05ic23
36
Base36
allraj
md5
370805a1a603c7f2bd7c5076c070f27b
sha1
f4392e2022f11c80670f882e440bfb8c933cae1e
sha256
65e38015cecdca10fe5d872a20aa380070cb4c07d67fd3fc8d49f1c0f7e4d0c7
sha512
fa3b8a0bcbaa9179a1f08c8e04993b6fa3323fb02ea707bf7a484b42bb0d4aa5c0e3c41fb6fa6ba6a4939b43ef2a56d0053379934ec015dd0de4da20d05bbe2b
ripemd-160
e7dcea08fa2182cd1ecde457b06637bf05a1f499
Diameter
1281897686
Circumference
4027200352.9914
Area
1.2906147033895E+18
Volume
1.1029573345284E+27
Surface area
5.162458813558E+18
Circumference
4027200352.9914
Perimeter
2563795372
Area
410815419343038649
Diagonal
906438546.55794
Surface area
2464892516058231894
Volume
2.6331166771448E+26
Space diagonal
1110155961.1285
Perimeter
1922846529
Area
1.7788829470871E+17
Altitude
555077980.56424
Surface area
1.7788829470871E+17
Volume
3.1031577634408E+25
Height
302146182.18598