642000457 is an odd 9-digits composite number following 642000456
and preceding 642000458 . In scientific notation, it is written as 6.42000457 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 550286100 positive integers (up to 642000457) that are relatively prime to 642000457.
642000457 has 4 divisors, whose sum is 733714816
The reverse of 642000457 is 754000246
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
six hundred forty-two million four hundred fifty-seven
Scientific notation
6.42000457 × 10^8
Engineering notation
6.42000457 × 10^6
Prime Factorization
7 × 91714351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642000457
Product of the distinct prime numbers
The prime factorization of 642000457 is 7 × 91714351.
Since it has a total of 2 prime factors.
6 , 8 , 37 , 56 , 362 , 470 , 7382 , 394 , 64711 , 23299 , 890373 , 207863 , 8838086 , 3096531 , 7067594 , 85737393 , 42454818 , 508455293 , 885754587 , 1061093342
n×2
1284000914
n×3
1926001371
n×4
2568001828
n×5
3210002285
n÷2
321000228.5
n÷3
214000152.33333
n÷3
160500114.25
n÷5
128400091.4
n2
412164586788208849
n3
2.6460985307725E+26
n4
1.6987964660229E+35
n5
1.0906281075367E+44
2 √n
25337.727936814
3 √n
862.670828363
4 √n
159.17828977852
5 √n
57.744026954788
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
-642000456
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 642000457 can be divided by 4 positive divisors.
The sum of these divisors (counting 642000457) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001000010011001001001
3
Ternary
1122202001000001201
4
Quaternary
212101002121021
5
Quinary
2303323003312
6
Senary
143412144201
8
Octal
4621023111
10
Decimal
642000457
12
Duodecimal
15b008061
16
Hexadecimal
26442649
20
Vigesimal
a0ca12h
36
Base36
am8aq1
md5
ec32dd07c2ea0b36991030f88ad209fd
sha1
d6c7d18d48be26c925c77f28a33e0704b42e8d16
sha256
f16a809c62be045f2f0d2702b0af2bf1b1e560b83dca568e033dfb4a12eeaf3e
sha512
f9801f1e5e7c657c862656f775c52e37b0f77c2b8ccde1484f0fe48c9d4bc43dce30acc63cfb406d529ae40a7ff13f66a16f5c1e12fd0131bf4fe1a0ce227a69
ripemd-160
2c39c11d6045a68dd75e339249d333bb1956fd43
Diameter
1284000914
Circumference
4033807838.625
Area
1.2948532379237E+18
Volume
1.1083951606599E+27
Surface area
5.1794129516948E+18
Circumference
4033807838.625
Perimeter
2568001828
Area
412164586788208849
Diagonal
907925753.33913
Surface area
2472987520729253094
Volume
2.6460985307725E+26
Space diagonal
1111977410.0064
Perimeter
1926001371
Area
1.7847250134945E+17
Altitude
555988705.00322
Surface area
1.7847250134945E+17
Volume
3.1184570246616E+25
Height
302641917.77971