638432892 is an even 9-digits composite number following 638432891
and preceding 638432893 . In scientific notation, it is written as 6.38432892 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 200292480 positive integers (up to 638432892) that are relatively prime to 638432892.
638432892 has 12 divisors, whose sum is 1124560976
The reverse of 638432892 is 298234836
Previous prime number is 153
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred thirty-eight million four hundred thirty-two thousand eight hundred ninety-two
Scientific notation
6.38432892 × 10^8
Engineering notation
6.38432892 × 10^6
Prime Factorization
2 × 2 × 153 × 1043191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319216446
Product of the distinct prime numbers
The prime factorization of 638432892 is 2 × 2 × 153 × 1043191.
Since it has a total of 4 prime factors.
2 , 2 , 54 , 87 , 3 , 73 , 530 , 2196 , 97897 , 16249 , 292537 , 412663 , 7496618 , 1767855 , 20277700 , 98912234 , 465007940 , 659066988 , 6809011134 , 2565221940
n×2
1276865784
n×3
1915298676
n×4
2553731568
n×5
3192164460
n÷2
319216446
n÷3
212810964
n÷3
159608223
n÷5
127686578.4
n2
407596557587483664
n3
2.6022304902982E+26
n4
1.6613495375717E+35
n5
1.0606601898947E+44
2 √n
25267.229606746
3 √n
861.06991949599
4 √n
158.95669097822
5 √n
57.679707683641
1 , 2 , 4 , 153 , 306 , 612 , 1043191 , 2086382 , 4172764 , 159608223 , 319216446 , 638432892
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
-638432891
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 638432892 can be divided by 12 positive divisors.
The sum of these divisors (counting 638432892) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000011011011011001111100
3
Ternary
1122111022202021200
4
Quaternary
212003123121330
5
Quinary
2301414323032
6
Senary
143203455500
8
Octal
4603333174
10
Decimal
638432892
12
Duodecimal
159987590
16
Hexadecimal
260db67c
20
Vigesimal
9ja424c
36
Base36
ak3tz0
md5
6b1a02c99c59b7b80021fc4f8bb25367
sha1
e6a5147a048e133165011c87c6b15b35bf6d8585
sha256
abec8a0934fa4019a6c936e47008615244c090955c0b0d88e73725e0991d89e3
sha512
7c2514c2cfa6619cef6aa80db3ab0fe76de1c8b8b67b4777f885838e9efb1e2352d4158f24140cb84311ef7cf3f5a99ac7ffe4428b715e699e76196a27c98a0b
ripemd-160
e0455e438fec511392f28d6900e4fdcc22b5ab27
Diameter
1276865784
Circumference
4011392166.6346
Area
1.2805023509453E+18
Volume
1.0900197588358E+27
Surface area
5.1220094037813E+18
Circumference
4011392166.6346
Perimeter
2553731568
Area
407596557587483664
Diagonal
902880454.53148
Surface area
2445579345524901984
Volume
2.6022304902982E+26
Space diagonal
1105798206.1671
Perimeter
1915298676
Area
1.7649448668292E+17
Altitude
552899103.08357
Surface area
1.7649448668292E+17
Volume
3.0667580431671E+25
Height
300960151.51049