215687628 is an even 9-digits composite number following 215687627
and preceding 215687629 . In scientific notation, it is written as 2.15687628 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 66365280 positive integers (up to 215687628) that are relatively prime to 215687628.
215687628 has 24 divisors, whose sum is 516176640
The reverse of 215687628 is 826786512
Previous prime number is 39
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred fifteen million six hundred eighty-seven thousand six hundred twenty-eight
Scientific notation
2.15687628 × 10^8
Engineering notation
2.15687628 × 10^6
Prime Factorization
2 × 2 × 3 × 39 × 460871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
107843814
Product of the distinct prime numbers
The prime factorization of 215687628 is 2 × 2 × 3 × 39 × 460871.
Since it has a total of 5 prime factors.
6 , 10 , 27 , 93 , 405 , 141 , 3613 , 6512 , 12190 , 46884 , 116437 , 168060 , 5135153 , 6331481 , 64201470 , 26508917 , 558097504 , 837172862 , 7268287747 , 8527508703
n×2
431375256
n×3
647062884
n×4
862750512
n×5
1078438140
n÷2
107843814
n÷3
71895876
n÷3
53921907
n÷5
43137525.6
n2
46521152872266384
n3
1.0034037114845E+25
n4
2.1642176645648E+33
n5
4.6679497454568E+41
2 √n
14686.307500526
3 √n
599.710627128
4 √n
121.18707645837
5 √n
46.426404062531
1 , 2 , 3 , 4 , 6 , 12 , 39 , 78 , 117 , 156 , 234 , 468 , 460871 , 921742 , 1382613 , 1843484 , 2765226 , 5530452 , 17973969 , 35947938 , 53921907 , 71895876 , 107843814 , 215687628
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
-215687627
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 215687628 can be divided by 24 positive divisors.
The sum of these divisors (counting 215687628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100110110110010000111001100
3
Ternary
120000212001210200
4
Quaternary
30312302013030
5
Quinary
420204001003
6
Senary
33222533500
8
Octal
1466620714
10
Decimal
215687628
12
Duodecimal
60297290
16
Hexadecimal
cdb21cc
20
Vigesimal
3780j18
36
Base36
3kexn0
md5
7491dcee083c1db458c09a7dcbfbfd80
sha1
98a4a5ffd66c3dc15a823c3ea58e7c60a188076a
sha256
3f04973600204f248c72d7894ea54f11e12dd49553b91241b5f2794dd5619db1
sha512
d5aac35b821b05a277101a0668f4dd34406739d4d62ab4624c6beb9b804fbdb2aa2886056594875bda539cc7e98789775bc9bdfeb60c76d0238a5328639ab54b
ripemd-160
7778db0a2bc17f311e8bf7d1bb17de8e71041b13
Diameter
431375256
Circumference
1355205335.19
Area
1.4615051210004E+17
Volume
4.2030476381124E+25
Surface area
5.8460204840016E+17
Circumference
1355205335.19
Perimeter
862750512
Area
46521152872266384
Diagonal
305028368.75368
Surface area
279126917233598304
Volume
1.0034037114845E+25
Space diagonal
373581930.26002
Perimeter
647062884
Area
2.0144250100361E+16
Altitude
186790965.13001
Surface area
2.0144250100361E+16
Volume
1.1825226144307E+24
Height
101676122.91789