38897721 is an odd 8-digits composite number following 38897720
and preceding 38897722 . In scientific notation, it is written as 3.8897721 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 25344000 positive integers (up to 38897721) that are relatively prime to 38897721.
38897721 has 24 divisors, whose sum is 57474144
The reverse of 38897721 is 12779883
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-eight million eight hundred ninety-seven thousand seven hundred twenty-one
Scientific notation
3.8897721 × 10^7
Engineering notation
3.8897721 × 10^6
Prime Factorization
3 × 3 × 67 × 257 × 251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12965907
Product of the distinct prime numbers
The prime factorization of 38897721 is 3 × 3 × 67 × 257 × 251.
Since it has a total of 5 prime factors.
10 , 10 , 44 , 12 , 420 , 473 , 8184 , 7860 , 56095 , 66087 , 402883 , 567339 , 7143856 , 9899809 , 73652590 , 37924536 , 945536367 , 612615062 , 5766025524 , 1161577791
n×2
77795442
n×3
116693163
n×4
155590884
n×5
194488605
n÷2
19448860.5
n÷3
12965907
n÷3
9724430.25
n÷5
7779544.2
n2
1513032698993841
n3
5.8853523789339E+22
n4
2.2892679482246E+30
n5
8.9047305944282E+37
2 √n
6236.8037487162
3 √n
338.82443202225
4 √n
78.973436981786
5 √n
32.959820009543
1 , 3 , 9 , 67 , 201 , 251 , 257 , 603 , 753 , 771 , 2259 , 2313 , 16817 , 17219 , 50451 , 51657 , 64507 , 151353 , 154971 , 193521 , 580563 , 4321969 , 12965907 , 38897721
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
-38897720
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 38897721 can be divided by 24 positive divisors.
The sum of these divisors (counting 38897721) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10010100011000100000111001
3
Ternary
2201012012122100
4
Quaternary
2110120200321
5
Quinary
34424211341
6
Senary
3505414013
8
Octal
224304071
10
Decimal
38897721
12
Duodecimal
1103a309
16
Hexadecimal
2518839
20
Vigesimal
c32461
36
Base36
n5po9
md5
34c066d09c17ccaa963707b1d79582c6
sha1
af2fcf5c1af0830339544674aec7e9e8d1f2038e
sha256
46553847a5b7ac327113b90840358663b87e6d053a5e676aa8f5b2417bb19e2b
sha512
7797a049cf5b32d0213cd049bef5f35d3c205245a86ca432ade8d52405249cced1b4c4898840fd6cb55d1d66195da88aeb6d5f8bb377afd3bf3a4088f50a98ad
ripemd-160
26be8bf4d8b6bdc05156ee4b2a0542d7cb255edb
Diameter
77795442
Circumference
244401589.06997
Area
4.7533324118002E+15
Volume
2.4652506396595E+23
Surface area
1.9013329647201E+16
Circumference
244401589.06997
Perimeter
155590884
Area
1513032698993841
Diagonal
55009684.583605
Surface area
9078196193963046
Volume
5.8853523789339E+22
Space diagonal
67372829.070639
Perimeter
116693163
Area
6.551623770426E+14
Altitude
33686414.535319
Surface area
6.551623770426E+14
Volume
6.9359542946943E+21
Height
18336561.527868