643669995 is an odd 9-digits composite number following 643669994
and preceding 643669996 . In scientific notation, it is written as 6.43669995 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 342422784 positive integers (up to 643669995) that are relatively prime to 643669995.
643669995 has 16 divisors, whose sum is 1032475680
The reverse of 643669995 is 599966346
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred forty-three million six hundred sixty-nine thousand nine hundred ninety-five
Scientific notation
6.43669995 × 10^8
Engineering notation
6.43669995 × 10^6
Prime Factorization
3 × 5 × 397 × 108089
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
643669995
Product of the distinct prime numbers
The prime factorization of 643669995 is 3 × 5 × 397 × 108089.
Since it has a total of 4 prime factors.
10 , 3 , 78 , 64 , 757 , 834 , 1960 , 5124 , 62638 , 48109 , 106338 , 803178 , 7505128 , 9708571 , 51097881 , 41043485 , 943674648 , 875665397 , 6739123181 , 8545440802
n×2
1287339990
n×3
1931009985
n×4
2574679980
n×5
3218349975
n÷2
321834997.5
n÷3
214556665
n÷3
160917498.75
n÷5
128733999
n2
414311062463300025
n3
2.666795995042E+26
n4
1.7165365647947E+35
n5
1.1048830820787E+44
2 √n
25370.652238364
3 √n
863.41797998657
4 √n
159.28167577711
5 √n
57.774028715721
1 , 3 , 5 , 15 , 397 , 1191 , 1985 , 5955 , 108089 , 324267 , 540445 , 1621335 , 42911333 , 128733999 , 214556665 , 643669995
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
-643669994
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 643669995 can be divided by 16 positive divisors.
The sum of these divisors (counting 643669995) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010111011001111111101011
3
Ternary
1122212011211020110
4
Quaternary
212113121333223
5
Quinary
2304234414440
6
Senary
143512025403
8
Octal
4627317753
10
Decimal
643669995
12
Duodecimal
15b692263
16
Hexadecimal
265d9feb
20
Vigesimal
a12iejf
36
Base36
an82y3
md5
488ec31f3c06182a223c68330b0ac10c
sha1
35066838e1c73c4eca8e0b1342c0bd88dacd16b7
sha256
2e14bc292c419af6f4aefbcaeb08045de35c0361bbcd9d3eeabacfe21273683a
sha512
8058bf8033c17a350193fc30297450e0f71181a16c58b0aed193ddbc8301a29825b5c519267c18afd87d9debe5c8f7317847df2c27d95313214159ce9aec1b13
ripemd-160
f52d0ad8d01fca0153f70e64363129e3e8e9f038
Diameter
1287339990
Circumference
4044297855.2564
Area
1.3015965901357E+18
Volume
1.1170648942195E+27
Surface area
5.2063863605427E+18
Circumference
4044297855.2564
Perimeter
2574679980
Area
414311062463300025
Diagonal
910286836.62162
Surface area
2485866374779800150
Volume
2.666795995042E+26
Space diagonal
1114869134.6476
Perimeter
1931009985
Area
1.7940195258107E+17
Altitude
557434567.3238
Surface area
1.7940195258107E+17
Volume
3.1428492202255E+25
Height
303428945.54054