638989892 is an even 9-digits composite number following 638989891
and preceding 638989893 . In scientific notation, it is written as 6.38989892 × 10^8.
The sum of its digits is 62. It has a total of 4 prime factors and 12 positive divisors.
There are 319372416 positive integers (up to 638989892) that are relatively prime to 638989892.
638989892 has 12 divisors, whose sum is 1118661180
The reverse of 638989892 is 298989836
Previous prime number is 58537
Is Prime? no Number parity even Number length 9 Sum of Digits 62 Digital Root 8
Name
six hundred thirty-eight million nine hundred eighty-nine thousand eight hundred ninety-two
Scientific notation
6.38989892 × 10^8
Engineering notation
6.38989892 × 10^6
Prime Factorization
2 × 2 × 58537 × 2729
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319494946 Product of the distinct prime numbers
The prime factorization of 638989892 is 2 × 2 × 58537 × 2729.
Since it has a total of 4 prime factors.
8 , 9 , 33 , 35 , 731 , 77 , 3251 , 5074 , 63931 , 22190 , 232828 , 973062 , 4849064 , 6268469 , 40884898 , 77688919 , 148990717 , 544343915 , 6092889854 , 1128313164
n×2
1277979784
n×3
1916969676
n×4
2555959568
n×5
3194949460
n÷2
319494946
n÷3
212996630.66667
n÷3
159747473
n÷5
127797978.4
n2
408308082078171664
n3
2.6090473726986E+26
n4
1.6671548989035E+35
n5
1.0652951287977E+44
2 √n25278.249385588
3 √n861.32025984166
4 √n158.99135003386
5 √n57.689768691328
1 , 2 , 4 , 2729 , 5458 , 10916 , 58537 , 117074 , 234148 , 159747473 , 319494946 , 638989892
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638989891 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638989892 can be divided by 12 positive divisors.
The sum of these divisors (counting 638989892) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000101100011011001000100
3
Ternary
1122112101001100022
4
Quaternary
212011203121010
5
Quinary
2302040134032
6
Senary
143223434312
8
Octal
4605433104
10
Decimal
638989892
12
Duodecimal
159bb5998
16
Hexadecimal
26163644
20
Vigesimal
9jddeec
36
Base36
akfrr8
md5
679ba9761209c72a874eb64c7aad4c90
sha1
f5fc015ad892a7499d3781db69b0472b1c0a1073
sha256
cf032522f4dfed1ed86ffb5b3d5ac8314732b398c483519967f1306e4d7e5ab3
sha512
856ff26298faa33d8e16677f1a0c6897c71bb962061118d08651ff3acdfbf670c0aa0e4b786503671b361f207576a16758d2ebeb115c4b7d649acc70ba6248b4
ripemd-160
d8dfd16536bdef7b7dbd55f2ce6a69198e8e42cc
Diameter
1277979784
Circumference
4014891900.8507
Area
1.2827376710581E+18
Volume
1.0928752078583E+27
Surface area
5.1309506842325E+18
Circumference
4014891900.8507
Perimeter
2555959568
Area
408308082078171664
Diagonal
903668171.48572
Surface area
2449848492469029984
Volume
2.6090473726986E+26
Space diagonal
1106762958.4669
Perimeter
1916969676
Area
1.768025858251E+17
Altitude
553381479.23347
Surface area
1.768025858251E+17
Volume
3.0747918161202E+25
Height
301222723.82857