638996929 is an odd 9-digits composite number following 638996928
and preceding 638996930 . In scientific notation, it is written as 6.38996929 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 638772100 positive integers (up to 638996929) that are relatively prime to 638996929.
638996929 has 4 divisors, whose sum is 639221760
The reverse of 638996929 is 929699836
Previous prime number is 2879
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
six hundred thirty-eight million nine hundred ninety-six thousand nine hundred twenty-nine
Scientific notation
6.38996929 × 10^8
Engineering notation
6.38996929 × 10^6
Prime Factorization
2879 × 221951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638996929
Product of the distinct prime numbers
The prime factorization of 638996929 is 2879 × 221951.
Since it has a total of 2 prime factors.
8 , 1 , 17 , 73 , 726 , 418 , 6069 , 3812 , 60935 , 36377 , 581159 , 190806 , 903460 , 3221813 , 61443174 , 81229256 , 919054275 , 887895918 , 2743697501 , 1830065018
n×2
1277993858
n×3
1916990787
n×4
2555987716
n×5
3194984645
n÷2
319498464.5
n÷3
212998976.33333
n÷3
159749232.25
n÷5
127799385.8
n2
408317075271431041
n3
2.6091335715671E+26
n4
1.6672283395822E+35
n5
1.0653537889348E+44
2 √n
25278.388576015
3 √n
861.3234216488
4 √n
158.99178776281
5 √n
57.68989575472
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638996928
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638996929 can be divided by 4 positive divisors.
The sum of these divisors (counting 638996929) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101100101000111000001
3
Ternary
1122112101101222221
4
Quaternary
212011211013001
5
Quinary
2302040400204
6
Senary
143223531041
8
Octal
4605450701
10
Decimal
638996929
12
Duodecimal
159bb9a81
16
Hexadecimal
261651c1
20
Vigesimal
9jdec69
36
Base36
akfx6p
md5
c204ce14de09522fed04415fda0c7519
sha1
c042bb0b5b5c7fa4b9c6dfa1b3d61744cb0b1877
sha256
d9c8f96b1665e83d1273b0efaab595000295d2f56b18e170401d598ec9dc7b12
sha512
b7adb45b375cb6a9f54c211c301780b5d4c14f19ded4b4e84b0224c579f03614a6e75353269f9f3a7357e1f545fe77116d39860fe18f2ca2deecca2c2aacf57a
ripemd-160
5b4c3ee0622542cfb2ead3f2bd4f72c03c0bd438
Diameter
1277993858
Circumference
4014936115.6257
Area
1.282765924008E+18
Volume
1.0929113147559E+27
Surface area
5.131063696032E+18
Circumference
4014936115.6257
Perimeter
2555987716
Area
408317075271431041
Diagonal
903678123.30656
Surface area
2449902451628586246
Volume
2.6091335715671E+26
Space diagonal
1106775146.9085
Perimeter
1916990787
Area
1.7680647999201E+17
Altitude
553387573.45424
Surface area
1.7680647999201E+17
Volume
3.0748934024609E+25
Height
301226041.10219