643609372 is an even 9-digits composite number following 643609371
and preceding 643609373 . In scientific notation, it is written as 6.43609372 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 275832576 positive integers (up to 643609372) that are relatively prime to 643609372.
643609372 has 12 divisors, whose sum is 1287218800
The reverse of 643609372 is 273906346
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred forty-three million six hundred nine thousand three hundred seventy-two
Scientific notation
6.43609372 × 10^8
Engineering notation
6.43609372 × 10^6
Prime Factorization
2 × 2 × 7 × 22986049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
321804686
Product of the distinct prime numbers
The prime factorization of 643609372 is 2 × 2 × 7 × 22986049.
Since it has a total of 4 prime factors.
6 , 4 , 32 , 39 , 142 , 236 , 8253 , 1508 , 99978 , 55008 , 682269 , 98697 , 9036775 , 3473245 , 9130650 , 85347375 , 957745450 , 73550539 , 5565315651 , 7986153893
n×2
1287218744
n×3
1930828116
n×4
2574437488
n×5
3218046860
n÷2
321804686
n÷3
214536457.33333
n÷3
160902343
n÷5
128721874.4
n2
414233023726234384
n3
2.666042562621E+26
n4
1.7158899794538E+35
n5
1.1043628720973E+44
2 √n
25369.457463651
3 √n
863.39087260133
4 √n
159.27792522397
5 √n
57.772940404342
1 , 2 , 4 , 7 , 14 , 28 , 22986049 , 45972098 , 91944196 , 160902343 , 321804686 , 643609372
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-643609371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 643609372 can be divided by 12 positive divisors.
The sum of these divisors (counting 643609372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010111001011001100011100
3
Ternary
1122212001202002011
4
Quaternary
212113023030130
5
Quinary
2304230444442
6
Senary
143510441004
8
Octal
4627131434
10
Decimal
643609372
12
Duodecimal
15b663164
16
Hexadecimal
265cb31c
20
Vigesimal
a12b38c
36
Base36
an6s64
md5
b0dfea65d55f5c8ec39afe75b5b2b6ba
sha1
6b25a343b0551e4bfc7e29732b435603b9c18323
sha256
15a54cf3cec437801f5d77898e32fc6afa4d311b81ff3ee661f844ecdb170113
sha512
a31d2f2db71bbe842aa527c8c88f1c5737608a2a197735901b22592442fd51bbb26fc81d0772bd6c217d416e41b3af09ac89ba249b303770fd5bf5c38c05a7b1
ripemd-160
ac87d980f0be9c90f17fb402f5941e1dd211cd5e
Diameter
1287218744
Circumference
4043916949.7135
Area
1.3013514242126E+18
Volume
1.1167492971851E+27
Surface area
5.2054056968505E+18
Circumference
4043916949.7135
Perimeter
2574437488
Area
414233023726234384
Diagonal
910201102.75283
Surface area
2485398142357406304
Volume
2.666042562621E+26
Space diagonal
1114764132.5315
Perimeter
1930828116
Area
1.7936816081668E+17
Altitude
557382066.26575
Surface area
1.7936816081668E+17
Volume
3.1419612916021E+25
Height
303400367.58428