638406948 is an even 9-digits composite number following 638406947
and preceding 638406949 . In scientific notation, it is written as 6.38406948 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 212802312 positive integers (up to 638406948) that are relatively prime to 638406948.
638406948 has 12 divisors, whose sum is 1489616240
The reverse of 638406948 is 849604836
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 48 Digital Root 3
Name
six hundred thirty-eight million four hundred six thousand nine hundred forty-eight
Scientific notation
6.38406948 × 10^8
Engineering notation
6.38406948 × 10^6
Prime Factorization
2 × 2 × 3 × 53200579
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319203474 Product of the distinct prime numbers
The prime factorization of 638406948 is 2 × 2 × 3 × 53200579.
Since it has a total of 4 prime factors.
5 , 6 , 37 , 55 , 120 , 166 , 4226 , 2528 , 83065 , 79132 , 607456 , 51049 , 1324304 , 5042016 , 3403882 , 98656970 , 340142183 , 639650312 , 61062307 , 3899451386
n×2
1276813896
n×3
1915220844
n×4
2553627792
n×5
3192034740
n÷2
319203474
n÷3
212802316
n÷3
159601737
n÷5
127681389.6
n2
407563431254674704
n3
2.601913262637E+26
n4
1.6610795049608E+35
n5
1.0604446971474E+44
2 √n25266.716209274
3 √n861.05825557073
4 √n158.95507607269
5 √n57.679238889918
1 , 2 , 3 , 4 , 6 , 12 , 53200579 , 106401158 , 159601737 , 212802316 , 319203474 , 638406948
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638406947 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638406948 can be divided by 12 positive divisors.
The sum of these divisors (counting 638406948) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000011010101000100100100
3
Ternary
1122111021102200210
4
Quaternary
212003111010210
5
Quinary
2301413010243
6
Senary
143203135420
8
Octal
4603250444
10
Decimal
638406948
12
Duodecimal
159974570
16
Hexadecimal
260d5124
20
Vigesimal
9ja0h78
36
Base36
ak39yc
md5
e76f40d77ff46bc4f0eafa813a0cb222
sha1
639a73363772da47009931a309f30de5e8937e0f
sha256
118dd276780dbe19e7480d6664ff08e7d7feb1793a4569e4fb359c891eee4cc6
sha512
f0f9c2f65adf34407e8d12a9c783273684c0586e28b9a42d235be5910727752fb586610a044a2da82661a5897e28c00e9e63bb2ee2bc8c9509525da7e4179d8d
ripemd-160
308c14fca882b165cb3f38f680becc7833f0515f
Diameter
1276813896
Circumference
4011229155.675
Area
1.2803982815015E+18
Volume
1.0898868788238E+27
Surface area
5.1215931260061E+18
Circumference
4011229155.675
Perimeter
2553627792
Area
407563431254674704
Diagonal
902843764.17482
Surface area
2445380587528048224
Volume
2.601913262637E+26
Space diagonal
1105753269.841
Perimeter
1915220844
Area
1.7648014256005E+17
Altitude
552876634.92049
Surface area
1.7648014256005E+17
Volume
3.0663841867831E+25
Height
300947921.39161