87942768 is an even 8-digits composite number following 87942767
and preceding 87942769 . In scientific notation, it is written as 8.7942768 × 10^7.
The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors.
There are 27589632 positive integers (up to 87942768) that are relatively prime to 87942768.
87942768 has 20 divisors, whose sum is 173731688
The reverse of 87942768 is 86724978
Previous prime number is 51
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-seven million nine hundred forty-two thousand seven hundred sixty-eight
Scientific notation
8.7942768 × 10^7
Engineering notation
8.7942768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 51 × 107773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10992846
Product of the distinct prime numbers
The prime factorization of 87942768 is 2 × 2 × 2 × 2 × 51 × 107773.
Since it has a total of 6 prime factors.
10 , 4 , 65 , 72 , 966 , 557 , 1383 , 843 , 89203 , 49865 , 385689 , 729684 , 397855 , 6302854 , 51318242 , 12266240 , 846245342 , 930213187 , 8536351950 , 797418921
n×2
175885536
n×3
263828304
n×4
351771072
n×5
439713840
n÷2
43971384
n÷3
29314256
n÷3
21985692
n÷5
17588553.6
n2
7733930443501824
n3
6.8014325072102E+23
n4
5.9813680104924E+31
n5
5.2601805926936E+39
2 √n
9377.7805476563
3 √n
444.69957081698
4 √n
96.838941277031
5 √n
38.800741584362
1 , 2 , 4 , 8 , 16 , 51 , 102 , 204 , 408 , 816 , 107773 , 215546 , 431092 , 862184 , 1724368 , 5496423 , 10992846 , 21985692 , 43971384 , 87942768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87942767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87942768 can be divided by 20 positive divisors.
The sum of these divisors (counting 87942768) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001111011110011001110000
3
Ternary
20010110221210120
4
Quaternary
11033132121300
5
Quinary
140003132033
6
Senary
12420530240
8
Octal
517363160
10
Decimal
87942768
12
Duodecimal
25550980
16
Hexadecimal
53de670
20
Vigesimal
179cgi8
36
Base36
1gcx2o
md5
41e1ad49becae3dc2661bdbf2efb7566
sha1
8193076ab92ea2a14ee3d8f61c23ee68d3cbf201
sha256
531e96a5752b54bda5dd5ab0a79d480e175e92dcfa122325af85b084ab0a5a4d
sha512
bf4f49cf31d9425539550d6d552469cabb1d651f751a3ce6685d057fbbf3bfa9896f849f7eac47251905019e82617e1426e8380f0572f7d353112aa9e6bc857a
ripemd-160
b32dd155b063fee5dc135109f1159ed140ccbe05
Diameter
175885536
Circumference
552560707.7703
Area
2.429685906468E+16
Volume
2.8489773864718E+24
Surface area
9.7187436258719E+16
Circumference
552560707.7703
Perimeter
351771072
Area
7733930443501824
Diagonal
124369855.21823
Surface area
46403582661010944
Volume
6.8014325072102E+23
Space diagonal
152321342.33424
Perimeter
263828304
Area
3.3488901175872E+15
Altitude
76160671.167121
Surface area
3.3488901175872E+15
Volume
8.0155650793849E+22
Height
41456618.406077