638993852 is an even 9-digits composite number following 638993851
and preceding 638993853 . In scientific notation, it is written as 6.38993852 × 10^8.
The sum of its digits is 53. It has a total of 5 prime factors and 24 positive divisors.
There are 273249792 positive integers (up to 638993852) that are relatively prime to 638993852.
638993852 has 24 divisors, whose sum is 1280809824
The reverse of 638993852 is 258399836
Previous prime number is 457
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred thirty-eight million nine hundred ninety-three thousand eight hundred fifty-two
Scientific notation
6.38993852 × 10^8
Engineering notation
6.38993852 × 10^6
Prime Factorization
2 × 2 × 7 × 457 × 49937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
319496926
Product of the distinct prime numbers
The prime factorization of 638993852 is 2 × 2 × 7 × 457 × 49937.
Since it has a total of 5 prime factors.
2 , 5 , 39 , 94 , 805 , 642 , 9404 , 2716 , 10635 , 9950 , 882424 , 474344 , 1183745 , 7158221 , 92566749 , 26991995 , 950995567 , 389309273 , 2329605582 , 4255295946
n×2
1277987704
n×3
1916981556
n×4
2555975408
n×5
3194969260
n÷2
319496926
n÷3
212997950.66667
n÷3
159748463
n÷5
127798770.4
n2
408313142893797904
n3
2.6090958799993E+26
n4
1.6671962265981E+35
n5
1.0653281388738E+44
2 √n
25278.327713676
3 √n
861.32203911924
4 √n
158.99159636181
5 √n
57.689840195094
1 , 2 , 4 , 7 , 14 , 28 , 457 , 914 , 1828 , 3199 , 6398 , 12796 , 49937 , 99874 , 199748 , 349559 , 699118 , 1398236 , 22821209 , 45642418 , 91284836 , 159748463 , 319496926 , 638993852
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638993851
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638993852 can be divided by 24 positive divisors.
The sum of these divisors (counting 638993852) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000101100100010110111100
3
Ternary
1122112101020202222
4
Quaternary
212011210112330
5
Quinary
2302040300402
6
Senary
143223504512
8
Octal
4605442674
10
Decimal
638993852
12
Duodecimal
159bb8138
16
Hexadecimal
261645bc
20
Vigesimal
9jde4cc
36
Base36
akfut8
md5
78d3e63d51b3f0ad4d20a7b59113307f
sha1
35e3e6df0ac8d9d105a3dc5ff952765cb365998e
sha256
23c31f17f82bbf586989e22df120c0e02883e7802533550b00ee5b4bd3498e36
sha512
854c2798065d9290142335873138b4bc15d2c97f85936f0c78f668371d74de37ba20d12a3be6b6858aac5d9c756d47fb73a48b802ff5aa5399cefab98446f1d2
ripemd-160
e2b4fe69455d59a396c8ad4bc457779479b1403c
Diameter
1277987704
Circumference
4014916782.2645
Area
1.2827535700793E+18
Volume
1.092895526549E+27
Surface area
5.1310142803173E+18
Circumference
4014916782.2645
Perimeter
2555975408
Area
408313142893797904
Diagonal
903673771.77143
Surface area
2449878857362787424
Volume
2.6090958799993E+26
Space diagonal
1106769817.3881
Perimeter
1916981556
Area
1.7680477722255E+17
Altitude
553384908.69407
Surface area
1.7680477722255E+17
Volume
3.0748489825224E+25
Height
301224590.59048