638474090 is an even 9-digits composite number following 638474089
and preceding 638474091 . In scientific notation, it is written as 6.38474090 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 255389632 positive integers (up to 638474090) that are relatively prime to 638474090.
638474090 has 8 divisors, whose sum is 1149253380
The reverse of 638474090 is 090474836
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred thirty-eight million four hundred seventy-four thousand ninety
Scientific notation
6.38474090 × 10^8
Engineering notation
6.38474090 × 10^6
Prime Factorization
2 × 5 × 63847409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638474090
Product of the distinct prime numbers
The prime factorization of 638474090 is 2 × 5 × 63847409.
Since it has a total of 3 prime factors.
2 , 8 , 92 , 77 , 219 , 458 , 8834 , 7461 , 61954 , 64421 , 96402 , 272005 , 6448896 , 7245387 , 16089326 , 13099438 , 85007088 , 52573292 , 6191261385 , 8904011938
n×2
1276948180
n×3
1915422270
n×4
2553896360
n×5
3192370450
n÷2
319237045
n÷3
212824696.66667
n÷3
159618522.5
n÷5
127694818
n2
407649163601328100
n3
2.6027342876962E+26
n4
1.6617784058486E+35
n5
1.0610024554559E+44
2 √n
25268.044839283
3 √n
861.08844067807
4 √n
158.95925528035
5 √n
57.680452077387
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
-638474089
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 638474090 can be divided by 8 positive divisors.
The sum of these divisors (counting 638474090) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000011100101011101101010
3
Ternary
1122111101211210112
4
Quaternary
212003211131222
5
Quinary
2301422132330
6
Senary
143204414322
8
Octal
4603453552
10
Decimal
638474090
12
Duodecimal
1599a73a2
16
Hexadecimal
260e576a
20
Vigesimal
9ja954a
36
Base36
ak4pre
md5
3e09e049713efdf909fe2c047f715022
sha1
4a44159c336424b06f8a2839a5be12cfb107dc3c
sha256
6fe3752de8a2eec87839e7ba71cef0688d0b2912137c34f51a3ba5b79bffd60e
sha512
a23236cf2732557ae03855b4acc5da3bfb287e5b6bc27078bd64e401cf9ed15e07c1ce4591c5ca3b9bcac389c6b95eb90e63b6e4be7986fc64f4c84e2a3f514d
ripemd-160
d32ce49da27aab536d7aef0c99839e2413e9410b
Diameter
1276948180
Circumference
4011651021.3029
Area
1.280667617612E+18
Volume
1.0902307889963E+27
Surface area
5.1226704704478E+18
Circumference
4011651021.3029
Perimeter
2553896360
Area
407649163601328100
Diagonal
902938717.30182
Surface area
2445894981607968600
Volume
2.6027342876962E+26
Space diagonal
1105869563.1963
Perimeter
1915422270
Area
1.7651726575511E+17
Altitude
552934781.59815
Surface area
1.7651726575511E+17
Volume
3.0673517740945E+25
Height
300979572.43394