90784890 is an even 8-digits composite number following 90784889
and preceding 90784891 . In scientific notation, it is written as 9.0784890 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 20750688 positive integers (up to 90784890) that are relatively prime to 90784890.
90784890 has 16 divisors, whose sum is 166007808
The reverse of 90784890 is 09848709
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
ninety million seven hundred eighty-four thousand eight hundred ninety
Scientific notation
9.0784890 × 10^7
Engineering notation
9.0784890 × 10^6
Prime Factorization
2 × 63 × 5 × 144103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
90784890
Product of the distinct prime numbers
The prime factorization of 90784890 is 2 × 63 × 5 × 144103.
Since it has a total of 4 prime factors.
7 , 2 , 78 , 75 , 347 , 678 , 421 , 59 , 49002 , 2281 , 367596 , 412463 , 6115676 , 8420273 , 24550671 , 70874763 , 796665331 , 847166790 , 2429599722 , 9294494244
n×2
181569780
n×3
272354670
n×4
363139560
n×5
453924450
n÷2
45392445
n÷3
30261630
n÷3
22696222.5
n÷5
18156978
n2
8241896252312100
n3
7.4823964465757E+23
n4
6.7928853833876E+31
n5
6.1669135231345E+39
2 √n
9528.1105157319
3 √n
449.43945018008
4 √n
97.612040833761
5 √n
39.048352426253
1 , 2 , 5 , 10 , 63 , 126 , 315 , 630 , 144103 , 288206 , 720515 , 1441030 , 9078489 , 18156978 , 45392445 , 90784890
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
-90784889
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 90784890 can be divided by 16 positive divisors.
The sum of these divisors (counting 90784890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011010010100010001111010
3
Ternary
20022211100110100
4
Quaternary
11122110101322
5
Quinary
141220104030
6
Senary
13001500230
8
Octal
532242172
10
Decimal
90784890
12
Duodecimal
264a1676
16
Hexadecimal
569447a
20
Vigesimal
187824a
36
Base36
1i1u2i
md5
14085e4b74d0a111dc2026a1bb259451
sha1
433ab648ee1314248e37426b04dd75aea923182c
sha256
20052e9c5163ba24d7907b4b18de02878f8816524ae1d34c26e90ee2787c8646
sha512
ecf5334e3b9d8078b1a1e9957dd858b75b9782e838b4cd1dce5363222169d48bfbf309448ca58c3139871e4a9c221b0ce458b3631b652c11b78ea18dba03fc47
ripemd-160
2d5dd9a7ff782f5050032c375aeca6431482cc5d
Diameter
181569780
Circumference
570418286.96191
Area
2.5892680717913E+16
Volume
3.1342188943745E+24
Surface area
1.0357072287165E+17
Circumference
570418286.96191
Perimeter
363139560
Area
8241896252312100
Diagonal
128389222.69655
Surface area
49451377513872600
Volume
7.4823964465757E+23
Space diagonal
157244042.03955
Perimeter
272354670
Area
3.568845764929E+15
Altitude
78622021.019776
Surface area
3.568845764929E+15
Volume
8.8180887781663E+22
Height
42796407.565517