638992171 is an odd 9-digits prime number following 638992170
and preceding 638992172 . In scientific notation, it is written as 6.38992171 × 10^8.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 638992170 positive integers (up to 638992171) that are relatively prime to 638992171.
638992171 has 2 divisors, whose sum is 638992172
The reverse of 638992171 is 171299836
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred thirty-eight million nine hundred ninety-two thousand one hundred seventy-one
Scientific notation
6.38992171 × 10^8
Engineering notation
6.38992171 × 10^6
Prime Factorization
638992171
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
638992171
Product of the distinct prime numbers
The prime factorization of 638992171 is 638992171.
Since it has a total of 1 prime factors.
6 , 9 , 35 , 98 , 603 , 262 , 2699 , 8524 , 65 , 61192 , 911676 , 7162 , 2464697 , 2026450 , 39842450 , 84420408 , 644413933 , 43012262 , 765450037 , 7082521528
n×2
1277984342
n×3
1916976513
n×4
2555968684
n×5
3194960855
n÷2
319496085.5
n÷3
212997390.33333
n÷3
159748042.75
n÷5
127798434.2
n2
408310994599293241
n3
2.6090752888217E+26
n4
1.6671786831066E+35
n5
1.0653141261632E+44
2 √n
25278.294463828
3 √n
861.32128382579
4 √n
158.99149179698
5 √n
57.68980984215
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
638992172
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
319496086
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25278.294483608
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999968701
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638992171 can be divided by 2 positive divisors.
The sum of these divisors (counting 638992171) is 638992172, the average is 319496086.
Base
System
Value
2
Binary
100110000101100011111100101011
3
Ternary
1122112101011110201
4
Quaternary
212011203330223
5
Quinary
2302040222141
6
Senary
143223453031
8
Octal
4605437453
10
Decimal
638992171
12
Duodecimal
159bb7177
16
Hexadecimal
26163f2b
20
Vigesimal
9jde08b
36
Base36
akftij
md5
f50b61a33bb778ae353df01f21cfebce
sha1
678688b05b33c80a4d9cd802bc53d1405694ee66
sha256
5ae7c0ed6b30ee27164dc5aed1385a2f04b8486f3d576a55cf1993680817396d
sha512
a9e49de29da382647e4b176a483756770997ca76589c0f02c5ee32d895f33d4289c1e8343c7b8d6ff945d61d6856e35c072f8fe4e9798e5d13e5b96669041c04
ripemd-160
b6c5aecab159e101b61787a5331ad888c447f64a
Diameter
1277984342
Circumference
4014906220.23
Area
1.2827468210131E+18
Volume
1.0928869013367E+27
Surface area
5.1309872840523E+18
Circumference
4014906220.23
Perimeter
2555968684
Area
408310994599293241
Diagonal
903671394.47843
Surface area
2449865967595759446
Volume
2.6090752888217E+26
Space diagonal
1106766905.8107
Perimeter
1916976513
Area
1.7680384698374E+17
Altitude
553383452.90537
Surface area
1.7680384698374E+17
Volume
3.0748247155868E+25
Height
301223798.15948