1638992008 is an even 10-digits composite number following 1638992007
and preceding 1638992009 . In scientific notation, it is written as 1.638992008 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 8 positive divisors.
There are 819496000 positive integers (up to 1638992008) that are relatively prime to 1638992008.
1638992008 has 8 divisors, whose sum is 3073110030
The reverse of 1638992008 is 8002998361
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion six hundred thirty-eight million nine hundred ninety-two thousand eight
Scientific notation
1.638992008 × 10^9
Engineering notation
1.638992008 × 10^9
Prime Factorization
2 × 2 × 2 × 204874001
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
409748002
Product of the distinct prime numbers
The prime factorization of 1638992008 is 2 × 2 × 2 × 204874001.
Since it has a total of 4 prime factors.
4 , 1 , 62 , 67 , 940 , 169 , 2236 , 1776 , 24194 , 39493 , 248028 , 364142 , 4192518 , 2496440 , 69413152 , 42976844 , 719374000 , 404384737 , 2222744803 , 9160409975
n×2
3277984016
n×3
4916976024
n×4
6555968032
n×5
8194960040
n÷2
819496004
n÷3
546330669.33333
n÷3
409748002
n÷5
327798401.6
n2
2686294802287872064
n3
4.4028157120818E+27
n4
7.2161797647988E+36
n5
1.1827260962797E+46
2 √n
40484.46625559
3 √n
1179.0320530992
4 √n
201.20752037533
5 √n
69.649077274877
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1638992007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1638992008 can be divided by 8 positive divisors.
The sum of these divisors (counting 1638992008) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001101100010000100010001000
3
Ternary
11020020001102100201
4
Quaternary
1201230100202020
5
Quinary
11324040221013
6
Senary
430345141544
8
Octal
14154204210
10
Decimal
1638992008
12
Duodecimal
398a8a8b4
16
Hexadecimal
61b10888
20
Vigesimal
15c3e008
36
Base36
r3tabs
md5
f5e85a37f43d0737ab520590b08213bb
sha1
795df548ecafc762e2fcfa81173fcfb967183ac6
sha256
e8566a079259255668b423a739b1a35efacea59a9828ea864c4c41c46353cfd6
sha512
9575ac92bd9fa8c6bd0c881d841cb4a1f1aff8c481a5b6ee8739e14be6860f2ace437814c562f0ee448647f9ef7e2f9056017b4939e6ad036d98f7f57143a339
ripemd-160
bd12e65de16f1ef903e97953d7802f90ca9f64da
Diameter
3277984016
Circumference
10298090503.25
Area
8.439244016244E+18
Volume
1.8442471328248E+28
Surface area
3.3756976064976E+19
Circumference
10298090503.25
Perimeter
6555968032
Area
2686294802287872064
Diagonal
2317884726.3347
Surface area
1.6117768813727E+19
Volume
4.4028157120818E+27
Space diagonal
2838817431.0553
Perimeter
4916976024
Area
1.1631997704177E+18
Altitude
1419408715.5277
Surface area
1.1631997704177E+18
Volume
5.1887680772128E+26
Height
772628242.11157