642893149 is an odd 9-digits composite number following 642893148
and preceding 642893150 . In scientific notation, it is written as 6.42893149 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 639629536 positive integers (up to 642893149) that are relatively prime to 642893149.
642893149 has 4 divisors, whose sum is 646156764
The reverse of 642893149 is 941398246
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred forty-two million eight hundred ninety-three thousand one hundred forty-nine
Scientific notation
6.42893149 × 10^8
Engineering notation
6.42893149 × 10^6
Prime Factorization
197 × 3263417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642893149
Product of the distinct prime numbers
The prime factorization of 642893149 is 197 × 3263417.
Since it has a total of 2 prime factors.
1 , 1 , 53 , 47 , 680 , 459 , 5971 , 4084 , 7245 , 96299 , 16142 , 852233 , 4603324 , 6503004 , 25007900 , 59977938 , 515777579 , 139732175 , 290231464 , 8053740213
n×2
1285786298
n×3
1928679447
n×4
2571572596
n×5
3214465745
n÷2
321446574.5
n÷3
214297716.33333
n÷3
160723287.25
n÷5
128578629.8
n2
413311601031136201
n3
2.6571519670514E+26
n4
1.7082647954692E+35
n5
1.098231733685E+44
2 √n
25355.337682626
3 √n
863.07048679366
4 √n
159.23359470484
5 √n
57.76007647119
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
-642893148
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 642893149 can be divided by 4 positive divisors.
The sum of these divisors (counting 642893149) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010100011100010101011101
3
Ternary
1122210201100121101
4
Quaternary
212110130111131
5
Quinary
2304040040044
6
Senary
143443233101
8
Octal
4624342535
10
Decimal
642893149
12
Duodecimal
15b378791
16
Hexadecimal
2651c55d
20
Vigesimal
a0i1ch9
36
Base36
amrfj1
md5
643465b85c9e78b82fc99d8cdc7690e4
sha1
49206683c58c537fc74fbbb1399d087481340b7f
sha256
12e5a12b88392d9763ec7f20b63576705eccc855c36fee1a5ef2cda5126fbf38
sha512
e61aa02284e63b284dd68b92117d23042a699902bb6fccfebc9fa0d7f8954f6b739a66958fd19882d2567213749a693af2f10dd3b59e572e49d852001e4aff47
ripemd-160
74208d65328e7d600b19a89ebd4e97d788698e93
Diameter
1285786298
Circumference
4039416787.8832
Area
1.2984566894429E+18
Volume
1.1130252132214E+27
Surface area
5.1938267577714E+18
Circumference
4039416787.8832
Perimeter
2571572596
Area
413311601031136201
Diagonal
909188210.47255
Surface area
2479869606186817206
Volume
2.6571519670514E+26
Space diagonal
1113523597.9059
Perimeter
1928679447
Area
1.7896917308589E+17
Altitude
556761798.95297
Surface area
1.7896917308589E+17
Volume
3.131483624242E+25
Height
303062736.82418