642450489 is an odd 9-digits composite number following 642450488
and preceding 642450490 . In scientific notation, it is written as 6.42450489 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 425463600 positive integers (up to 642450489) that are relatively prime to 642450489.
642450489 has 8 divisors, whose sum is 862274112
The reverse of 642450489 is 984054246
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-two million four hundred fifty thousand four hundred eighty-nine
Scientific notation
6.42450489 × 10^8
Engineering notation
6.42450489 × 10^6
Prime Factorization
3 × 151 × 1418213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642450489
Product of the distinct prime numbers
The prime factorization of 642450489 is 3 × 151 × 1418213.
Since it has a total of 3 prime factors.
4 , 4 , 43 , 97 , 716 , 995 , 7199 , 3731 , 33361 , 20096 , 403765 , 404404 , 7859920 , 6913793 , 88151728 , 59095878 , 660564846 , 453441309 , 7230281982 , 9703658539
n×2
1284900978
n×3
1927351467
n×4
2569801956
n×5
3212252445
n÷2
321225244.5
n÷3
214150163
n÷3
160612622.25
n÷5
128490097.8
n2
412742630816339121
n3
2.651667049991E+26
n4
1.7035647929319E+35
n5
1.0944560342623E+44
2 √n
25346.607051043
3 √n
862.8723540759
4 √n
159.20617780427
5 √n
57.752120212737
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642450488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642450489 can be divided by 8 positive divisors.
The sum of these divisors (counting 642450489) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010010110000010000111001
3
Ternary
1122202212212101120
4
Quaternary
212102300100321
5
Quinary
2303431403424
6
Senary
143425535453
8
Octal
4622602071
10
Decimal
642450489
12
Duodecimal
15b1a4589
16
Hexadecimal
264b0439
20
Vigesimal
a0f6649
36
Base36
amhxyx
md5
9e11eefbdb5bb778c465975a25eab565
sha1
0ed77b7db13466460f60ebe30bea29e48155d947
sha256
f7e421cb634d62971cdc40ba91ffe50c1c86d72ba211a439c848c836eeb56a4b
sha512
695d17c6414ef3197fc8457ddcde0c06d23ac68c58efb3480ebaa09368b5542bd89168663f6184bad8c0591532cb557588362ebf93df8cef03b4dc3584f47be3
ripemd-160
714651300d6500d2fa94c4dd7ba06b2474837869
Diameter
1284900978
Circumference
4036635473.0751
Area
1.2966692167959E+18
Volume
1.1107276965357E+27
Surface area
5.1866768671837E+18
Circumference
4036635473.0751
Perimeter
2569801956
Area
412742630816339121
Diagonal
908562194.69703
Surface area
2476455784898034726
Volume
2.651667049991E+26
Space diagonal
1112756888.2955
Perimeter
1927351467
Area
1.7872280175589E+17
Altitude
556378444.14773
Surface area
1.7872280175589E+17
Volume
3.125019587496E+25
Height
302854064.89901