638863494 is an even 9-digits composite number following 638863493
and preceding 638863495 . In scientific notation, it is written as 6.38863494 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 212779872 positive integers (up to 638863494) that are relatively prime to 638863494.
638863494 has 16 divisors, whose sum is 1278774768
The reverse of 638863494 is 494368836
Previous prime number is 1237
Is Prime? no Number parity even Number length 9 Sum of Digits 51 Digital Root 6
Name
six hundred thirty-eight million eight hundred sixty-three thousand four hundred ninety-four
Scientific notation
6.38863494 × 10^8
Engineering notation
6.38863494 × 10^6
Prime Factorization
2 × 3 × 1237 × 86077
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
638863494 Product of the distinct prime numbers
The prime factorization of 638863494 is 2 × 3 × 1237 × 86077.
Since it has a total of 4 prime factors.
7 , 7 , 72 , 90 , 623 , 838 , 9467 , 6066 , 37578 , 92476 , 803083 , 59974 , 857149 , 8592860 , 845015 , 9952656 , 690115701 , 169256997 , 7162629670 , 9832018192
n×2
1277726988
n×3
1916590482
n×4
2555453976
n×5
3194317470
n÷2
319431747
n÷3
212954498
n÷3
159715873.5
n÷5
127772698.8
n2
408146563965888036
n3
2.6074993991934E+26
n4
1.6658361767716E+35
n5
1.0642419203239E+44
2 √n25275.749128364
3 √n861.26346377503
4 √n158.98348696756
5 √n57.687486198756
1 , 2 , 3 , 6 , 1237 , 2474 , 3711 , 7422 , 86077 , 172154 , 258231 , 516462 , 106477249 , 212954498 , 319431747 , 638863494
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
-638863493 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 638863494 can be divided by 16 positive divisors.
The sum of these divisors (counting 638863494) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101000100100010000110
3
Ternary
1122112010121221220
4
Quaternary
212011010202012
5
Quinary
2302022112434
6
Senary
143221021210
8
Octal
4605044206
10
Decimal
638863494
12
Duodecimal
159b54806
16
Hexadecimal
26144886
20
Vigesimal
9jchiee
36
Base36
akd286
md5
2417cccbc66be16257f0c6cf90ab6b21
sha1
6c4708ec775e6cb986803a9af042c05d5d629ab9
sha256
08a5055eae91d0c9548cae96ff54a111642558b667f5accc1801dfd389e67b38
sha512
1b8e6c39b3e9bba9f02d7c7991a88948b7e475315c14f0dc53fe86e9a2138e68122c8727fa578843522dbdc5779977b93aa4ed0de82f88321229f007775a1186
ripemd-160
9b283c5e8f28d6568c2b64d5d75fd71b6823ddb5
Diameter
1277726988
Circumference
4014097718.7942
Area
1.2822302469432E+18
Volume
1.0922267942328E+27
Surface area
5.1289209877726E+18
Circumference
4014097718.7942
Perimeter
2555453976
Area
408146563965888036
Diagonal
903489417.71986
Surface area
2448879383795328216
Volume
2.6074993991934E+26
Space diagonal
1106544030.709
Perimeter
1916590482
Area
1.7673264643089E+17
Altitude
553272015.35449
Surface area
1.7673264643089E+17
Volume
3.0729675118492E+25
Height
301163139.23995