389987265 is an odd 9-digits composite number following 389987264
and preceding 389987266 . In scientific notation, it is written as 3.89987265 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 206946432 positive integers (up to 389987265) that are relatively prime to 389987265.
389987265 has 16 divisors, whose sum is 627120000
The reverse of 389987265 is 562789983
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred eighty-nine million nine hundred eighty-seven thousand two hundred sixty-five
Scientific notation
3.89987265 × 10^8
Engineering notation
3.89987265 × 10^6
Prime Factorization
3 × 5 × 199 × 130649
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389987265
Product of the distinct prime numbers
The prime factorization of 389987265 is 3 × 5 × 199 × 130649.
Since it has a total of 4 prime factors.
5 , 1 , 4 , 78 , 56 , 447 , 802 , 6455 , 16348 , 74688 , 696261 , 969916 , 7464061 , 5949938 , 10218476 , 75288060 , 976804514 , 68268709 , 2796755010 , 2230509480
n×2
779974530
n×3
1169961795
n×4
1559949060
n×5
1949936325
n÷2
194993632.5
n÷3
129995755
n÷3
97496816.25
n÷5
77997453
n2
152090066862180225
n3
5.9313189209249E+25
n4
2.3131388438142E+34
n5
9.0209469126438E+42
2 √n
19748.095224603
3 √n
730.60640486344
4 √n
140.52791617541
5 √n
52.264895342425
1 , 3 , 5 , 15 , 199 , 597 , 995 , 2985 , 130649 , 391947 , 653245 , 1959735 , 25999151 , 77997453 , 129995755 , 389987265
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
-389987264
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 389987265 can be divided by 16 positive divisors.
The sum of these divisors (counting 389987265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001111101011101111000001
3
Ternary
1000011211101221210
4
Quaternary
113033223233001
5
Quinary
1244314043030
6
Senary
102410440333
8
Octal
2717535701
10
Decimal
389987265
12
Duodecimal
aa7330a9
16
Hexadecimal
173ebbc1
20
Vigesimal
61h8835
36
Base36
6g6s3l
md5
a48d135edb7f8d20bf985cd5659aa6da
sha1
74f067e2f04706524e86e5e2c5aac1eecc64404f
sha256
5d470479c7f6cfd3f26679ca56f531d6a4d280a70344bb7e01f0f07d66647dc1
sha512
4142678a00a03a1aeb555cbfd7309c9bd65434189a5b733fe129c885c5847ade24bb6a507ae2ab650aa878d82b5de05e84b541b4ab05259cba98544e0b346769
ripemd-160
52ce47f1d111626efb7ade85794db7e8fc42c438
Diameter
779974530
Circumference
2450362253.4352
Area
4.7780503673821E+17
Volume
2.4845050597434E+26
Surface area
1.9112201469528E+18
Circumference
2450362253.4352
Perimeter
1559949060
Area
152090066862180225
Diagonal
551525279.31579
Surface area
912540401173081350
Volume
5.9313189209249E+25
Space diagonal
675477757.28483
Perimeter
1169961795
Area
6.5856930782961E+16
Altitude
337738878.64241
Surface area
6.5856930782961E+16
Volume
6.9901263839434E+24
Height
183841759.77193