638961725 is an odd 9-digits composite number following 638961724
and preceding 638961726 . In scientific notation, it is written as 6.38961725 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 496944000 positive integers (up to 638961725) that are relatively prime to 638961725.
638961725 has 16 divisors, whose sum is 683160192
The reverse of 638961725 is 527169836
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred thirty-eight million nine hundred sixty-one thousand seven hundred twenty-five
Scientific notation
6.38961725 × 10^8
Engineering notation
6.38961725 × 10^6
Prime Factorization
43 × 25 × 233 × 2551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638961725
Product of the distinct prime numbers
The prime factorization of 638961725 is 43 × 25 × 233 × 2551.
Since it has a total of 4 prime factors.
4 , 6 , 18 , 19 , 851 , 352 , 7319 , 6693 , 81412 , 35523 , 181343 , 617884 , 9949483 , 4016261 , 79644168 , 65576174 , 814419072 , 952785990 , 1095044954 , 2837847113
n×2
1277923450
n×3
1916885175
n×4
2555846900
n×5
3194808625
n÷2
319480862.5
n÷3
212987241.66667
n÷3
159740431.25
n÷5
127792345
n2
408272086014975625
n3
2.6087023634948E+26
n4
1.6668609621902E+35
n5
1.0650603557362E+44
2 √n
25277.692240393
3 √n
861.30760384373
4 √n
158.98959789996
5 √n
57.689260083481
1 , 25 , 43 , 233 , 1075 , 2551 , 5825 , 10019 , 63775 , 109693 , 250475 , 594383 , 2742325 , 14859575 , 25558469 , 638961725
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
-638961724
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 638961725 can be divided by 16 positive divisors.
The sum of these divisors (counting 638961725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101011100100000111101
3
Ternary
1122112022121201002
4
Quaternary
212011130200331
5
Quinary
2302033233400
6
Senary
143223100045
8
Octal
4605344075
10
Decimal
638961725
12
Duodecimal
159ba1625
16
Hexadecimal
2615c83d
20
Vigesimal
9jda465
36
Base36
akf60t
md5
562512fdb2f60dad26169bbc97ea6c27
sha1
abde3fff041a666ff29872c7dbcbabd2b329b8ab
sha256
8759588b1ea21f4eb7364049082d8876e5228caa4f099d1a640eb98d7273058f
sha512
5c3df30dcc9b715f459fea10d11be0dbfd4580fb0a244759a4f50d77407a2a4f92bdfb1b9f00ed2ee5223e7ef32dbed207c5e84b05df4b9c286a73b5f38cd8f7
ripemd-160
bded81266ac9549b435608b4b71a764075b4392c
Diameter
1277923450
Circumference
4014714922.3701
Area
1.2826245860904E+18
Volume
1.092730690741E+27
Surface area
5.1304983443617E+18
Circumference
4014714922.3701
Perimeter
2555846900
Area
408272086014975625
Diagonal
903628337.33231
Surface area
2449632516089853750
Volume
2.6087023634948E+26
Space diagonal
1106714171.7919
Perimeter
1916885175
Area
1.7678699907252E+17
Altitude
553357085.89593
Surface area
1.7678699907252E+17
Volume
3.0743852188742E+25
Height
301209445.77744