643669993 is an odd 9-digits composite number following 643669992
and preceding 643669994 . In scientific notation, it is written as 6.43669993 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 621474448 positive integers (up to 643669993) that are relatively prime to 643669993.
643669993 has 4 divisors, whose sum is 665865540
The reverse of 643669993 is 399966346
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred forty-three million six hundred sixty-nine thousand nine hundred ninety-three
Scientific notation
6.43669993 × 10^8
Engineering notation
6.43669993 × 10^6
Prime Factorization
29 × 22195517
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
643669993
Product of the distinct prime numbers
The prime factorization of 643669993 is 29 × 22195517.
Since it has a total of 2 prime factors.
9 , 5 , 15 , 53 , 379 , 794 , 5131 , 7625 , 1073 , 52353 , 575384 , 31349 , 52307 , 33905 , 86954083 , 34435484 , 954431783 , 360014685 , 5227212706 , 1545365335
n×2
1287339986
n×3
1931009979
n×4
2574679972
n×5
3218349965
n÷2
321834996.5
n÷3
214556664.33333
n÷3
160917498.25
n÷5
128733998.6
n2
414311059888620049
n3
2.6667959701833E+26
n4
1.7165365434603E+35
n5
1.1048830649133E+44
2 √n
25370.652198948
3 √n
863.41797909231
4 √n
159.28167565338
5 √n
57.774028679818
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
-643669992
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 643669993 can be divided by 4 positive divisors.
The sum of these divisors (counting 643669993) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010111011001111111101001
3
Ternary
1122212011211020101
4
Quaternary
212113121333221
5
Quinary
2304234414433
6
Senary
143512025401
8
Octal
4627317751
10
Decimal
643669993
12
Duodecimal
15b692261
16
Hexadecimal
265d9fe9
20
Vigesimal
a12iejd
36
Base36
an82y1
md5
b3272e3ca2b9674bff523dfbed9e1408
sha1
5fcfdeb5f07acad19fa4498c86388ce8361d6bba
sha256
bbf59d50b07379c9bd5fee06a51612253888026ec119f670e986dac85378fb72
sha512
8d5cd9619c7f890801debd0af40fbb2d8d599e18e4a9a97065b85e6a53dedca2ffe6477f5bbfa4d14f11765b9f7aca1130ca922cdf4c04968b0acdfa5be949ff
ripemd-160
b7ea809c6f9ca760da2c6da2c9fdc0f5f3053df9
Diameter
1287339986
Circumference
4044297842.69
Area
1.3015965820471E+18
Volume
1.1170648838068E+27
Surface area
5.2063863281884E+18
Circumference
4044297842.69
Perimeter
2574679972
Area
414311059888620049
Diagonal
910286833.7932
Surface area
2485866359331720294
Volume
2.6667959701833E+26
Space diagonal
1114869131.1835
Perimeter
1931009979
Area
1.794019514662E+17
Altitude
557434565.59175
Surface area
1.794019514662E+17
Volume
3.1428491909293E+25
Height
303428944.59773