87942730 is an even 8-digits composite number following 87942729
and preceding 87942731 . In scientific notation, it is written as 8.7942730 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 34681360 positive integers (up to 87942730) that are relatively prime to 87942730.
87942730 has 16 divisors, whose sum is 160527744
The reverse of 87942730 is 03724978
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-seven million nine hundred forty-two thousand seven hundred thirty
Scientific notation
8.7942730 × 10^7
Engineering notation
8.7942730 × 10^6
Prime Factorization
2 × 5 × 71 × 123863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87942730
Product of the distinct prime numbers
The prime factorization of 87942730 is 2 × 5 × 71 × 123863.
Since it has a total of 4 prime factors.
2 , 1 , 8 , 39 , 943 , 982 , 7179 , 4749 , 59399 , 25830 , 413211 , 529929 , 892265 , 7321872 , 49953418 , 25422878 , 722899849 , 669255733 , 1673146371 , 2601709755
n×2
175885460
n×3
263828190
n×4
351770920
n×5
439713650
n÷2
43971365
n÷3
29314243.333333
n÷3
21985682.5
n÷5
17588546
n2
7733923759852900
n3
6.8014236905333E+23
n4
5.9813576723217E+31
n5
5.2601692281042E+39
2 √n
9377.7785215903
3 √n
444.69950676552
4 √n
96.838930816022
5 √n
38.800738231207
1 , 2 , 5 , 10 , 71 , 142 , 355 , 710 , 123863 , 247726 , 619315 , 1238630 , 8794273 , 17588546 , 43971365 , 87942730
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
-87942729
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 87942730 can be divided by 16 positive divisors.
The sum of these divisors (counting 87942730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001111011110011001001010
3
Ternary
20010110221202011
4
Quaternary
11033132121022
5
Quinary
140003131410
6
Senary
12420530134
8
Octal
517363112
10
Decimal
87942730
12
Duodecimal
2555094a
16
Hexadecimal
53de64a
20
Vigesimal
179cgga
36
Base36
1gcx1m
md5
86b6bc2120a050cf32cacfd64b970192
sha1
d74651d9941797bda24901d40546282bd4482e15
sha256
3128f81d4a183540ed2a83af8bb4b94326975577abcf6da06142c4abefaa207b
sha512
69218df076bcbca1b819ed6e358403229e52af8f33764f536fd97ff96e967536bf0054c4a5cf7075dacf0973fef02aa16f34b8909f403584b140a8bc417c1b32
ripemd-160
13e8df9cdb4182c3dacb89bbae813be776451766
Diameter
175885460
Circumference
552560469.00926
Area
2.4296838067377E+16
Volume
2.8489736933508E+24
Surface area
9.718735226951E+16
Circumference
552560469.00926
Perimeter
351770920
Area
7733923759852900
Diagonal
124369801.47812
Surface area
46403542559117400
Volume
6.8014236905333E+23
Space diagonal
152321276.51631
Perimeter
263828190
Area
3.3488872234823E+15
Altitude
76160638.258156
Surface area
3.3488872234823E+15
Volume
8.0155546888315E+22
Height
41456600.492705