387899428 is an even 9-digits composite number following 387899427
and preceding 387899429 . In scientific notation, it is written as 3.87899428 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 166242600 positive integers (up to 387899428) that are relatively prime to 387899428.
387899428 has 12 divisors, whose sum is 775798912
The reverse of 387899428 is 824998783
Previous prime number is 7
Is Prime? no Number parity even Number length 9 Sum of Digits 58 Digital Root 4
Name
three hundred eighty-seven million eight hundred ninety-nine thousand four hundred twenty-eight
Scientific notation
3.87899428 × 10^8
Engineering notation
3.87899428 × 10^6
Prime Factorization
2 × 2 × 7 × 13853551
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
193949714 Product of the distinct prime numbers
The prime factorization of 387899428 is 2 × 2 × 7 × 13853551.
Since it has a total of 4 prime factors.
4 , 7 , 12 , 15 , 558 , 652 , 4116 , 4317 , 40462 , 65853 , 954730 , 977954 , 9394747 , 2414642 , 73150846 , 67005290 , 98160158 , 101625533 , 5037916247 , 8993605151
n×2
775798856
n×3
1163698284
n×4
1551597712
n×5
1939497140
n÷2
193949714
n÷3
129299809.33333
n÷3
96974857
n÷5
77579885.6
n2
150465966242727184
n3
5.8365662239021E+25
n4
2.2640006997358E+34
n5
8.782045764191E+42
2 √n19695.162553277
3 √n729.30027903794
4 √n140.33945472773
5 √n52.208814018315
1 , 2 , 4 , 7 , 14 , 28 , 13853551 , 27707102 , 55414204 , 96974857 , 193949714 , 387899428
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-387899427 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 387899428 can be divided by 12 positive divisors.
The sum of these divisors (counting 387899428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111000111101110000000100100
3
Ternary
1000000220022222111
4
Quaternary
113013232000210
5
Quinary
1243300240203
6
Senary
102254010404
8
Octal
2707560044
10
Decimal
387899428
12
Duodecimal
a9aa6a04
16
Hexadecimal
171ee024
20
Vigesimal
61478b8
36
Base36
6ey144
md5
00c29768e999704081b814e309ef8a97
sha1
b5e945747c562c598e946c9abfaf43b9ecad8aba
sha256
9ad9dedd3d0c550112168351f44bfb52282138e7cfa856af12c7a24a81507308
sha512
8929779f3d87cb37bc70defd301d0d4c75c3d58bf721caa7ee6ccc54943db516a9a41c1f03874293bbf7437c307ae04de8b95c818f2b702d4145ae10f8420eb2
ripemd-160
7c379a176480f3d0846a3454074e395d8e0519d2
Diameter
775798856
Circumference
2437243986.673
Area
4.7270277416344E+17
Volume
2.4448151428268E+26
Surface area
1.8908110966538E+18
Circumference
2437243986.673
Perimeter
1551597712
Area
150465966242727184
Diagonal
548572631.91437
Surface area
902795797456363104
Volume
5.8365662239021E+25
Space diagonal
671861517.52291
Perimeter
1163698284
Area
6.5153674585587E+16
Altitude
335930758.76145
Surface area
6.5153674585587E+16
Volume
6.8784592596092E+24
Height
182857543.97146