87931408 is an even 8-digits composite number following 87931407
and preceding 87931409 . In scientific notation, it is written as 8.7931408 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors.
There are 43529600 positive integers (up to 87931408) that are relatively prime to 87931408.
87931408 has 20 divisors, whose sum is 172057068
The reverse of 87931408 is 80413978
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-seven million nine hundred thirty-one thousand four hundred eight
Scientific notation
8.7931408 × 10^7
Engineering notation
8.7931408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 101 × 54413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10991426
Product of the distinct prime numbers
The prime factorization of 87931408 is 2 × 2 × 2 × 2 × 101 × 54413.
Since it has a total of 6 prime factors.
3 , 4 , 22 , 76 , 340 , 101 , 9481 , 7116 , 29831 , 40002 , 40668 , 210686 , 5850099 , 803665 , 62873404 , 55332294 , 893977894 , 26395421 , 1099847459 , 6533678744
n×2
175862816
n×3
263794224
n×4
351725632
n×5
439657040
n÷2
43965704
n÷3
29310469.333333
n÷3
21982852
n÷5
17586281.6
n2
7731932512862464
n3
6.7987971241697E+23
n4
5.978278038346E+31
n5
5.2567840532724E+39
2 √n
9377.1748410702
3 √n
444.68042198198
4 √n
96.835813834914
5 √n
38.799739116027
1 , 2 , 4 , 8 , 16 , 101 , 202 , 404 , 808 , 1616 , 54413 , 108826 , 217652 , 435304 , 870608 , 5495713 , 10991426 , 21982852 , 43965704 , 87931408
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
-87931407
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 87931408 can be divided by 20 positive divisors.
The sum of these divisors (counting 87931408) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001111011011101000010000
3
Ternary
20010110101012211
4
Quaternary
11033123220100
5
Quinary
140002301113
6
Senary
12420401504
8
Octal
517335020
10
Decimal
87931408
12
Duodecimal
25546294
16
Hexadecimal
53dba10
20
Vigesimal
179b8a8
36
Base36
1gcob4
md5
aa4903a97c501ef6ff1b5e9cf218fb2d
sha1
12c4e0c515d14c60d41411a6c976b78a459c247b
sha256
e3dfe15572959de67b554b32c04343b9fdd3a49aa167ccfad1a43ccdd2fd09fd
sha512
a0af1f210234307d4a44a26983baaf1dcb60be5f26f3451b513b600ba3bbc923a366adcebe1eeefea2da377af620042d12aa3f2f5c44b1770c44c7205be4accd
ripemd-160
9e502ee46e32d014bd188a4be97c24604f63d691
Diameter
175862816
Circumference
552489330.78521
Area
2.4290582380461E+16
Volume
2.8478734798052E+24
Surface area
9.7162329521843E+16
Circumference
552489330.78521
Perimeter
351725632
Area
7731932512862464
Diagonal
124353789.75216
Surface area
46391595077174784
Volume
6.7987971241697E+23
Space diagonal
152301666.23707
Perimeter
263794224
Area
3.3480249882429E+15
Altitude
76150833.118534
Surface area
3.3480249882429E+15
Volume
8.0124592506867E+22
Height
41451263.250721