387993906 is an even 9-digits composite number following 387993905
and preceding 387993907 . In scientific notation, it is written as 3.87993906 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 125634240 positive integers (up to 387993906) that are relatively prime to 387993906.
387993906 has 32 divisors, whose sum is 665280000
The reverse of 387993906 is 609399783
Previous prime number is 263
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
three hundred eighty-seven million nine hundred ninety-three thousand nine hundred six
Scientific notation
3.87993906 × 10^8
Engineering notation
3.87993906 × 10^6
Prime Factorization
2 × 9 × 41 × 263 × 1999
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
387993906
Product of the distinct prime numbers
The prime factorization of 387993906 is 2 × 9 × 41 × 263 × 1999.
Since it has a total of 5 prime factors.
9 , 9 , 75 , 1 , 658 , 525 , 4524 , 9900 , 98134 , 54277 , 358272 , 641646 , 732226 , 8780900 , 44861829 , 3988668 , 362762621 , 908967359 , 9688087630 , 3173194837
n×2
775987812
n×3
1163981718
n×4
1551975624
n×5
1939969530
n÷2
193996953
n÷3
129331302
n÷3
96998476.5
n÷5
77598781.2
n2
150539271093136836
n3
5.8408319797819E+25
n4
2.2662072141253E+34
n5
8.7927458881385E+42
2 √n
19697.560914997
3 √n
729.35948445175
4 √n
140.34799932666
5 √n
52.21135699904
1 , 2 , 9 , 18 , 41 , 82 , 263 , 369 , 526 , 738 , 1999 , 2367 , 3998 , 4734 , 10783 , 17991 , 21566 , 35982 , 81959 , 97047 , 163918 , 194094 , 525737 , 737631 , 1051474 , 1475262 , 4731633 , 9463266 , 21555217 , 43110434 , 193996953 , 387993906
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-387993905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 387993906 can be divided by 32 positive divisors.
The sum of these divisors (counting 387993906) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10111001000000101000100110010
3
Ternary
1000001002010120200
4
Quaternary
113020011010302
5
Quinary
1243311301111
6
Senary
102300020030
8
Octal
2710050462
10
Decimal
387993906
12
Duodecimal
a9b31616
16
Hexadecimal
17205132
20
Vigesimal
614j4f6
36
Base36
6f020i
md5
2e0970ba69593b00d54560e5818b3af7
sha1
6c06a3154755dbf88f85aca331ec200e39dc8fb5
sha256
02e8315c5f202be432ccb6e41c0f53d77821b8ddffcf4584cdbe7d7a63816718
sha512
e3e47026a9b21d53fa840d3b37def089038e0d02aec2e0edc1e48d96ccfb80111be322ef34f60b2738487b874120ffa8b7063c709b2ef97405dafccde658ffe5
ripemd-160
a6e3d1b4001c0d7a0b74f1f6aad2dc4b53b1cc15
Diameter
775987812
Circumference
2437837609.4544
Area
4.7293306814296E+17
Volume
2.4466019784714E+26
Surface area
1.8917322725718E+18
Circumference
2437837609.4544
Perimeter
1551975624
Area
150539271093136836
Diagonal
548706243.98331
Surface area
903235626558821016
Volume
5.8408319797819E+25
Space diagonal
672025158.2191
Perimeter
1163981718
Area
6.5185416516924E+16
Altitude
336012579.10955
Surface area
6.5185416516924E+16
Volume
6.8834865011251E+24
Height
182902081.32777