638993853 is an odd 9-digits composite number following 638993852
and preceding 638993854 . In scientific notation, it is written as 6.38993853 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 425625192 positive integers (up to 638993853) that are relatively prime to 638993853.
638993853 has 16 divisors, whose sum is 884316160
The reverse of 638993853 is 358399836
Previous prime number is 1459
Is Prime? no Number parity odd Number length 9 Sum of Digits 54 Digital Root 9
Name
six hundred thirty-eight million nine hundred ninety-three thousand eight hundred fifty-three
Scientific notation
6.38993853 × 10^8
Engineering notation
6.38993853 × 10^6
Prime Factorization
27 × 3 × 1459 × 5407
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
638993853 Product of the distinct prime numbers
The prime factorization of 638993853 is 27 × 3 × 1459 × 5407.
Since it has a total of 4 prime factors.
9 , 4 , 29 , 37 , 499 , 977 , 5090 , 4982 , 49595 , 67740 , 45658 , 460785 , 645068 , 6074067 , 89425066 , 59694430 , 335020838 , 185145459 , 5483948248 , 4136843075
n×2
1277987706
n×3
1916981559
n×4
2555975412
n×5
3194969265
n÷2
319496926.5
n÷3
212997951
n÷3
159748463.25
n÷5
127798770.6
n2
408313144171785609
n3
2.6090958922487E+26
n4
1.6671962370345E+35
n5
1.0653281472098E+44
2 √n25278.327733456
3 √n861.32203956856
4 √n158.99159642401
5 √n57.68984021315
1 , 3 , 27 , 81 , 1459 , 4377 , 5407 , 16221 , 39393 , 118179 , 145989 , 437967 , 7888813 , 23666439 , 212997951 , 638993853
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
-638993852 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 638993853 can be divided by 16 positive divisors.
The sum of these divisors (counting 638993853) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101100100010110111101
3
Ternary
1122112101020210000
4
Quaternary
212011210112331
5
Quinary
2302040300403
6
Senary
143223504513
8
Octal
4605442675
10
Decimal
638993853
12
Duodecimal
159bb8139
16
Hexadecimal
261645bd
20
Vigesimal
9jde4cd
36
Base36
akfut9
md5
028da09de276a2c2c19bf78a8597d92c
sha1
97a0279f1afbe9ac770df6b147eaf00a00f8836c
sha256
a65dfe5b58e7e5f7a6871dddc43cc1e12b7236a3192ab5addc839a4306b2be85
sha512
01637add8ea27be3e14589ab26ca325f61f0f549bbb82e3b151e4017fec907a2fb079b0839303c5ed4d633be9c8790628a4fa153cd76cbd77d6a62ee1f5eac93
ripemd-160
dea71b9948fe6c7e649d5a035687f3b07acc6803
Diameter
1277987706
Circumference
4014916788.5477
Area
1.2827535740942E+18
Volume
1.09289553168E+27
Surface area
5.1310142963769E+18
Circumference
4014916788.5477
Perimeter
2555975412
Area
408313144171785609
Diagonal
903673773.18564
Surface area
2449878865030713654
Volume
2.6090958922487E+26
Space diagonal
1106769819.1202
Perimeter
1916981559
Area
1.7680477777593E+17
Altitude
553384909.5601
Surface area
1.7680477777593E+17
Volume
3.0748489969584E+25
Height
301224591.06188