397725987 is an odd 9-digits composite number following 397725986
and preceding 397725988 . In scientific notation, it is written as 3.97725987 × 10^8.
The sum of its digits is 57. It has a total of 5 prime factors and 24 positive divisors.
There are 255403008 positive integers (up to 397725987) that are relatively prime to 397725987.
397725987 has 24 divisors, whose sum is 550485936
The reverse of 397725987 is 789527793
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred ninety-seven million seven hundred twenty-five thousand nine hundred eighty-seven
Scientific notation
3.97725987 × 10^8
Engineering notation
3.97725987 × 10^6
Prime Factorization
3 × 37 × 37 × 113 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10749351
Product of the distinct prime numbers
The prime factorization of 397725987 is 3 × 37 × 37 × 113 × 857.
Since it has a total of 5 prime factors.
3 , 2 , 14 , 36 , 441 , 265 , 9575 , 3930 , 67462 , 67653 , 813347 , 544045 , 9886209 , 7407157 , 40296438 , 95061914 , 226584929 , 988543024 , 7389676590 , 8098176872
n×2
795451974
n×3
1193177961
n×4
1590903948
n×5
1988629935
n÷2
198862993.5
n÷3
132575329
n÷3
99431496.75
n÷5
79545197.4
n2
158185960735124169
n3
6.2914667362921E+25
n4
2.5022798173694E+34
n5
9.9522171011343E+42
2 √n
19943.068645522
3 √n
735.40738949938
4 √n
141.21993005777
5 √n
52.470692217912
1 , 3 , 37 , 111 , 113 , 339 , 857 , 1369 , 2571 , 4107 , 4181 , 12543 , 31709 , 95127 , 96841 , 154697 , 290523 , 464091 , 1173233 , 3519699 , 3583117 , 10749351 , 132575329 , 397725987
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
-397725986
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 397725987 can be divided by 24 positive divisors.
The sum of these divisors (counting 397725987) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10111101101001101000100100011
3
Ternary
1000201101120111010
4
Quaternary
113231031010203
5
Quinary
1303304212422
6
Senary
103244352003
8
Octal
2755150443
10
Decimal
397725987
12
Duodecimal
b1245603
16
Hexadecimal
17b4d123
20
Vigesimal
645fej7
36
Base36
6ksnc3
md5
2b97702db068ea9c0d9320e102a22680
sha1
33d1f5f9022be1bcf2fe03e764b898cce50b66cd
sha256
11e5352530b4ab5a76eb5285eac9bdea8aea7a9f4becf2bf095bc23ee3c46ff2
sha512
d93e181d999f4af690bfdcc13e2e9e5e50f806cf8da36cee9339bf09613ca180a75f0f3b7ee2c841718a4028e3ad9cecf53ea15f4578956f788203891750a188
ripemd-160
06e50122d30cf9cdc751abf2327ec6a2451cdb37
Diameter
795451974
Circumference
2498986077.8019
Area
4.9695585214651E+17
Volume
2.635363423872E+26
Surface area
1.987823408586E+18
Circumference
2498986077.8019
Perimeter
1590903948
Area
158185960735124169
Diagonal
562469484.92363
Surface area
949115764410745014
Volume
6.2914667362921E+25
Space diagonal
688881616.97448
Perimeter
1193177961
Area
6.8496530259333E+16
Altitude
344440808.48724
Surface area
6.8496530259333E+16
Volume
7.4145646547362E+24
Height
187489828.30788