642777387 is an odd 9-digits composite number following 642777386
and preceding 642777388 . In scientific notation, it is written as 6.42777387 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 363513600 positive integers (up to 642777387) that are relatively prime to 642777387.
642777387 has 16 divisors, whose sum is 989571072
The reverse of 642777387 is 783777246
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred forty-two million seven hundred seventy-seven thousand three hundred eighty-seven
Scientific notation
6.42777387 × 10^8
Engineering notation
6.42777387 × 10^6
Prime Factorization
3 × 97 × 7 × 315551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642777387
Product of the distinct prime numbers
The prime factorization of 642777387 is 3 × 97 × 7 × 315551.
Since it has a total of 4 prime factors.
10 , 2 , 69 , 82 , 934 , 594 , 4495 , 1186 , 80956 , 63609 , 380962 , 972703 , 3692201 , 3550556 , 97164409 , 80325623 , 484516481 , 986914128 , 4175226189 , 1131279322
n×2
1285554774
n×3
1928332161
n×4
2571109548
n×5
3213886935
n÷2
321388693.5
n÷3
214259129
n÷3
160694346.75
n÷5
128555477.4
n2
413162769238547769
n3
2.6557168521684E+26
n4
1.7070347388487E+35
n5
1.0972433289554E+44
2 √n
25353.054786357
3 √n
863.01868100332
4 √n
159.22642615583
5 √n
57.757996217689
1 , 3 , 7 , 21 , 97 , 291 , 679 , 2037 , 315551 , 946653 , 2208857 , 6626571 , 30608447 , 91825341 , 214259129 , 642777387
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
-642777386
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 642777387 can be divided by 16 positive divisors.
The sum of these divisors (counting 642777387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100000000000100101011
3
Ternary
1122210111110210220
4
Quaternary
212110000010223
5
Quinary
2304022334022
6
Senary
143440541123
8
Octal
4624000453
10
Decimal
642777387
12
Duodecimal
15b3217a3
16
Hexadecimal
2650012b
20
Vigesimal
a0h7397
36
Base36
amoy7f
md5
600c8049ae135b69fb39f68c2f5f37ce
sha1
7aea41fec6224d0d0c4b7d258fc9fdde31a5911c
sha256
3f015f1bf8d2949b4a019bc907c0987097d697ba493e1ffb24b5cdc1a2da4bc5
sha512
f46fc4651f43b2d446a7a2a0e6f9f2a3830ec128b36cefe83e51178a9c3ad5520a30d858c7bc9e97994da3744f85bf0c9a4867d0f6e469ad6da3528c87156a97
ripemd-160
be7cdc6cc549cd27853595beefe890fc479ab6c1
Diameter
1285554774
Circumference
4038689433.7857
Area
1.2979891205766E+18
Volume
1.1124240737049E+27
Surface area
5.1919564823065E+18
Circumference
4038689433.7857
Perimeter
2571109548
Area
413162769238547769
Diagonal
909024498.28214
Surface area
2478976615431286614
Volume
2.6557168521684E+26
Space diagonal
1113323092.2404
Perimeter
1928332161
Area
1.7890472702926E+17
Altitude
556661546.12018
Surface area
1.7890472702926E+17
Volume
3.1297923251328E+25
Height
303008166.09405