638408834 is an even 9-digits composite number following 638408833
and preceding 638408835 . In scientific notation, it is written as 6.38408834 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 273121200 positive integers (up to 638408834) that are relatively prime to 638408834.
638408834 has 16 divisors, whose sum is 1096345536
The reverse of 638408834 is 438804836
Previous prime number is 571
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred thirty-eight million four hundred eight thousand eight hundred thirty-four
Scientific notation
6.38408834 × 10^8
Engineering notation
6.38408834 × 10^6
Prime Factorization
2 × 7 × 571 × 79861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638408834
Product of the distinct prime numbers
The prime factorization of 638408834 is 2 × 7 × 571 × 79861.
Since it has a total of 4 prime factors.
4 , 6 , 51 , 77 , 206 , 688 , 6395 , 2202 , 33569 , 5713 , 861280 , 207376 , 6213903 , 9316001 , 95959966 , 51900435 , 896079520 , 745086 , 7506629854 , 2184086777
n×2
1276817668
n×3
1915226502
n×4
2553635336
n×5
3192044170
n÷2
319204417
n÷3
212802944.66667
n÷3
159602208.5
n÷5
127681766.8
n2
407565839329239556
n3
2.6019363226441E+26
n4
1.6610991338815E+35
n5
1.0604603612197E+44
2 √n
25266.753531073
3 √n
861.05910349084
4 √n
158.95519346996
5 √n
57.679272969408
1 , 2 , 7 , 14 , 571 , 1142 , 3997 , 7994 , 79861 , 159722 , 559027 , 1118054 , 45600631 , 91201262 , 319204417 , 638408834
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638408833
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638408834 can be divided by 16 positive divisors.
The sum of these divisors (counting 638408834) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000011010101100010000010
3
Ternary
1122111021112021122
4
Quaternary
212003111202002
5
Quinary
2301413040314
6
Senary
143203152242
8
Octal
4603254202
10
Decimal
638408834
12
Duodecimal
159975682
16
Hexadecimal
260d5882
20
Vigesimal
9ja121e
36
Base36
ak3beq
md5
086e15d08d67caa8ebb0e6e5e3f967dc
sha1
16848f72a333b15bdde5fb902b46cea14a4fcc89
sha256
880fb66a1f9810fd41e1c7534eb937f79ee3c9e2655809df721de1eba14bde02
sha512
c69b267dcab07b4adfd07215e6f65e102b481624cbcf43441a5922db02d74340289ee1707bf38db3e8b0e6ae5df6e8bd0df9ea8bd2d6602c18a47655523c5962
ripemd-160
21ac22a9f5dce5cd3652430b852681cc989f6340
Diameter
1276817668
Circumference
4011241005.7625
Area
1.2804058466909E+18
Volume
1.089896538177E+27
Surface area
5.1216233867636E+18
Circumference
4011241005.7625
Perimeter
2553635336
Area
407565839329239556
Diagonal
902846431.38159
Surface area
2445395035975437336
Volume
2.6019363226441E+26
Space diagonal
1105756536.4888
Perimeter
1915226502
Area
1.7648118528692E+17
Altitude
552878268.2444
Surface area
1.7648118528692E+17
Volume
3.0664113632621E+25
Height
300948810.46053