638897775 is an odd 9-digits composite number following 638897774
and preceding 638897776 . In scientific notation, it is written as 6.38897775 × 10^8.
The sum of its digits is 60. It has a total of 5 prime factors and 24 positive divisors.
There are 330670080 positive integers (up to 638897775) that are relatively prime to 638897775.
638897775 has 24 divisors, whose sum is 1057154064
The reverse of 638897775 is 577798836
Previous prime number is 5141
Is Prime? no Number parity odd Number length 9 Sum of Digits 60 Digital Root 6
Name
six hundred thirty-eight million eight hundred ninety-seven thousand seven hundred seventy-five
Scientific notation
6.38897775 × 10^8
Engineering notation
6.38897775 × 10^6
Prime Factorization
3 × 5 × 5 × 5141 × 1657
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
127779555 Product of the distinct prime numbers
The prime factorization of 638897775 is 3 × 5 × 5 × 5141 × 1657.
Since it has a total of 5 prime factors.
9 , 10 , 27 , 80 , 362 , 800 , 5191 , 6114 , 34238 , 31101 , 343665 , 767712 , 9337690 , 2303123 , 3374059 , 14246734 , 879700575 , 545449186 , 8279550016 , 8138245889
n×2
1277795550
n×3
1916693325
n×4
2555591100
n×5
3194488875
n÷2
319448887.5
n÷3
212965925
n÷3
159724443.75
n÷5
127779555
n2
408190366899950625
n3
2.6079191718881E+26
n4
1.6661937562992E+35
n5
1.0645274836184E+44
2 √n25276.427259405
3 √n861.27886844546
4 √n158.9856196623
5 √n57.688105280074
1 , 3 , 5 , 15 , 25 , 75 , 1657 , 4971 , 5141 , 8285 , 15423 , 24855 , 25705 , 41425 , 77115 , 124275 , 128525 , 385575 , 8518637 , 25555911 , 42593185 , 127779555 , 212965925 , 638897775
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638897774 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638897775 can be divided by 24 positive divisors.
The sum of these divisors (counting 638897775) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000101001100111001101111
3
Ternary
1122112012100222120
4
Quaternary
212011030321233
5
Quinary
2302024212100
6
Senary
143221444023
8
Octal
4605147157
10
Decimal
638897775
12
Duodecimal
159b70613
16
Hexadecimal
2614ce6f
20
Vigesimal
9jd248f
36
Base36
akdsof
md5
ab79259a5ad75c7ae158b13db81cec27
sha1
3a5a13a9c4a040cc9ac1507a8a1ebba07141a6f1
sha256
2f852b62e5a5bff6ca626bb31f02b9aac036d0dbe9386aacad223145b659f80b
sha512
a94a5d476f744d032b7adccb6a03cd5cd409b736b8efaaf112feca5ee9b3733b5aee45d3372435d0929f26a8b9a587eea5c58585f35e8b51beb4062b358f319a
ripemd-160
70d69ef016ccd6fcb12b2eb2ee9efad81c073170
Diameter
1277795550
Circumference
4014313112.6697
Area
1.282367857919E+18
Volume
1.092402628208E+27
Surface area
5.129471431676E+18
Circumference
4014313112.6697
Perimeter
2555591100
Area
408190366899950625
Diagonal
903537898.37499
Surface area
2449142201399703750
Volume
2.6079191718881E+26
Space diagonal
1106603407.1427
Perimeter
1916693325
Area
1.7675161365772E+17
Altitude
553301703.57135
Surface area
1.7675161365772E+17
Volume
3.0734622187142E+25
Height
301179299.45833