643564749 is an odd 9-digits composite number following 643564748
and preceding 643564750 . In scientific notation, it is written as 6.43564749 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 418043952 positive integers (up to 643564749) that are relatively prime to 643564749.
643564749 has 16 divisors, whose sum is 880247808
The reverse of 643564749 is 947465346
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred forty-three million five hundred sixty-four thousand seven hundred forty-nine
Scientific notation
6.43564749 × 10^8
Engineering notation
6.43564749 × 10^6
Prime Factorization
3 × 47 × 227 × 20107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
643564749
Product of the distinct prime numbers
The prime factorization of 643564749 is 3 × 47 × 227 × 20107.
Since it has a total of 4 prime factors.
3 , 8 , 4 , 23 , 579 , 63 , 8176 , 1810 , 4502 , 89884 , 641632 , 909637 , 5396438 , 6103232 , 91324724 , 83560830 , 723515054 , 527384696 , 1264487684 , 9015353136
n×2
1287129498
n×3
1930694247
n×4
2574258996
n×5
3217823745
n÷2
321782374.5
n÷3
214521583
n÷3
160891187.25
n÷5
128712949.8
n2
414175586155433001
n3
2.6654880714605E+26
n4
1.715414161672E+35
n5
1.1039800843875E+44
2 √n
25368.577985374
3 √n
863.37091847853
4 √n
159.27516437089
5 √n
57.772139274486
1 , 3 , 47 , 141 , 227 , 681 , 10669 , 20107 , 32007 , 60321 , 945029 , 2835087 , 4564289 , 13692867 , 214521583 , 643564749
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
-643564748
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 643564749 can be divided by 16 positive divisors.
The sum of these divisors (counting 643564749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010111000000010011001101
3
Ternary
1122211222110212110
4
Quaternary
212113000103031
5
Quinary
2304223032444
6
Senary
143505454233
8
Octal
4627002315
10
Decimal
643564749
12
Duodecimal
15b641379
16
Hexadecimal
265c04cd
20
Vigesimal
a125bh9
36
Base36
an5tql
md5
50345b93f45527eb35c06ccdbada49e7
sha1
461d9a925d38161c5bbd62d24fdb416f8f74c674
sha256
41dd03228a8d380168cb183b06354f4b0996214ea2372f883fa604b8aceabc70
sha512
3f8d50cf251d9e1add1901e366980fac23877b4956fa2296d68d22cd41df27bf030b365179a74ec496e77b004dc28bda9580764a5960d1f2f7bafcd3e859c44a
ripemd-160
1a329f9a16babdb24eaf99bc6d2588f8cd45eefe
Diameter
1287129498
Circumference
4043636575.1355
Area
1.3011709787622E+18
Volume
1.1165170324709E+27
Surface area
5.2046839150486E+18
Circumference
4043636575.1355
Perimeter
2574258996
Area
414175586155433001
Diagonal
910137996.30104
Surface area
2485053516932598006
Volume
2.6654880714605E+26
Space diagonal
1114686843.2283
Perimeter
1930694247
Area
1.7934328961896E+17
Altitude
557343421.61416
Surface area
1.7934328961896E+17
Volume
3.1413078175026E+25
Height
303379332.10035