215688049 is an odd 9-digits composite number following 215688048
and preceding 215688050 . In scientific notation, it is written as 2.15688049 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 208407600 positive integers (up to 215688049) that are relatively prime to 215688049.
215688049 has 8 divisors, whose sum is 222990080
The reverse of 215688049 is 940886512
Previous prime number is 691
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred fifteen million six hundred eighty-eight thousand forty-nine
Scientific notation
2.15688049 × 10^8
Engineering notation
2.15688049 × 10^6
Prime Factorization
31 × 691 × 10069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215688049
Product of the distinct prime numbers
The prime factorization of 215688049 is 31 × 691 × 10069.
Since it has a total of 3 prime factors.
1 , 3 , 62 , 68 , 628 , 743 , 5416 , 9816 , 6212 , 46766 , 577369 , 520939 , 7494392 , 6588926 , 75429246 , 36173335 , 953296577 , 828234490 , 9906832130 , 2596365878
n×2
431376098
n×3
647064147
n×4
862752196
n×5
1078440245
n÷2
107844024.5
n÷3
71896016.333333
n÷3
53922012.25
n÷5
43137609.8
n2
46521334481426401
n3
1.0034095871175E+25
n4
2.1642345619328E+33
n5
4.6679953024165E+41
2 √n
14686.321833597
3 √n
599.71101731884
4 √n
121.18713559449
5 √n
46.426422186427
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-215688048
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 215688049 can be divided by 8 positive divisors.
The sum of these divisors (counting 215688049) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110110110010001101110001
3
Ternary
120000212002101021
4
Quaternary
30312302031301
5
Quinary
420204004144
6
Senary
33222535441
8
Octal
1466621561
10
Decimal
215688049
12
Duodecimal
60297581
16
Hexadecimal
cdb2371
20
Vigesimal
3781029
36
Base36
3kexyp
md5
ba8e3641f4f77594bf78bfe0e6ffc161
sha1
fb5dda5184ba8c8dba29a1b63654fd495eea8668
sha256
51018fd6dcadd19e66b40f418ab3298b03fd966752a4dfa99582fc7ba480fa8d
sha512
16123e00de39a432d445e69ebedd9377858f386ac1d9574f2f6d044264472d7640ae32dcbc5a77c420cdcb99c1d20eab87bf6f6a5cd0e3a739743ab5bcede23c
ripemd-160
dedd5a4d842a81b3149bbfd916541d23fcc471f2
Diameter
431376098
Circumference
1355207980.411
Area
1.4615108264204E+17
Volume
4.2030722499067E+25
Surface area
5.8460433056817E+17
Circumference
1355207980.411
Perimeter
862752196
Area
46521334481426401
Diagonal
305028964.13759
Surface area
279128006888558406
Volume
1.0034095871175E+25
Space diagonal
373582659.45341
Perimeter
647064147
Area
2.0144328739434E+16
Altitude
186791329.7267
Surface area
2.0144328739434E+16
Volume
1.1825295389307E+24
Height
101676321.3792