638992070 is an even 9-digits composite number following 638992069
and preceding 638992071 . In scientific notation, it is written as 6.38992070 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 255596824 positive integers (up to 638992070) that are relatively prime to 638992070.
638992070 has 8 divisors, whose sum is 1150185744
The reverse of 638992070 is 070299836
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred thirty-eight million nine hundred ninety-two thousand seventy
Scientific notation
6.38992070 × 10^8
Engineering notation
6.38992070 × 10^6
Prime Factorization
2 × 5 × 63899207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638992070
Product of the distinct prime numbers
The prime factorization of 638992070 is 2 × 5 × 63899207.
Since it has a total of 3 prime factors.
6 , 9 , 62 , 71 , 512 , 974 , 9175 , 5145 , 12250 , 82309 , 280191 , 702814 , 3325539 , 4631121 , 71287981 , 37182818 , 481163531 , 866331681 , 1221198507 , 7422867272
n×2
1277984140
n×3
1916976210
n×4
2555968280
n×5
3194960350
n÷2
319496035
n÷3
212997356.66667
n÷3
159748017.5
n÷5
127798414
n2
408310865522884900
n3
2.6090740516396E+26
n4
1.6671776290405E+35
n5
1.0653132842383E+44
2 √n
25278.292466067
3 √n
861.32123844524
4 √n
158.99148551437
5 √n
57.689808018443
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
-638992069
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 638992070 can be divided by 8 positive divisors.
The sum of these divisors (counting 638992070) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101100011111011000110
3
Ternary
1122112101011022222
4
Quaternary
212011203323012
5
Quinary
2302040221240
6
Senary
143223452342
8
Octal
4605437306
10
Decimal
638992070
12
Duodecimal
159bb70b2
16
Hexadecimal
26163ec6
20
Vigesimal
9jde03a
36
Base36
akftfq
md5
dea68d74192707a1f11657e2a6555332
sha1
a6235586b9793ac5f50871f14cd298af4edc74da
sha256
53517830c208c84d1b9adaaecf32bf8aaa41db026247e8ac3772564c5d7bba9b
sha512
8cb2ab57f96d826d672670eb135a6274579dd3d5d04e230430e90d2ea0fc6bee0705a9122c7d44c661982878f3da4d6b8d5df47dec1a71d0bedbf8521fcb0149
ripemd-160
897505277e975ebb0cc7568fe34957dce381f66d
Diameter
1277984140
Circumference
4014905585.6283
Area
1.2827464155076E+18
Volume
1.092886383107E+27
Surface area
5.1309856620303E+18
Circumference
4014905585.6283
Perimeter
2555968280
Area
408310865522884900
Diagonal
903671251.64286
Surface area
2449865193137309400
Volume
2.6090740516396E+26
Space diagonal
1106766730.8736
Perimeter
1916976210
Area
1.7680379109202E+17
Altitude
553383365.4368
Surface area
1.7680379109202E+17
Volume
3.0748232575537E+25
Height
301223750.54762