90702981 is an odd 8-digits composite number following 90702980
and preceding 90702982 . In scientific notation, it is written as 9.0702981 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 55875456 positive integers (up to 90702981) that are relatively prime to 90702981.
90702981 has 32 divisors, whose sum is 108864000
The reverse of 90702981 is 18920709
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
ninety million seven hundred two thousand nine hundred eighty-one
Scientific notation
9.0702981 × 10^7
Engineering notation
9.0702981 × 10^6
Prime Factorization
9 × 29 × 53 × 83 × 79
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
90702981
Product of the distinct prime numbers
The prime factorization of 90702981 is 9 × 29 × 53 × 83 × 79.
Since it has a total of 5 prime factors.
1 , 4 , 84 , 17 , 353 , 831 , 234 , 979 , 56640 , 8605 , 762521 , 884061 , 6858942 , 746810 , 48792322 , 6078689 , 755523400 , 483182919 , 5338966794 , 4940175446
n×2
181405962
n×3
272108943
n×4
362811924
n×5
453514905
n÷2
45351490.5
n÷3
30234327
n÷3
22675745.25
n÷5
18140596.2
n2
8227030762286361
n3
7.4621621491808E+23
n4
6.7684035163606E+31
n5
6.1391437554479E+39
2 √n
9523.8112644046
3 √n
449.30424334554
4 √n
97.590016212749
5 √n
39.041303750185
1 , 9 , 29 , 53 , 79 , 83 , 261 , 477 , 711 , 747 , 1537 , 2291 , 2407 , 4187 , 4399 , 6557 , 13833 , 20619 , 21663 , 37683 , 39591 , 59013 , 121423 , 127571 , 190153 , 347521 , 1092807 , 1148139 , 1711377 , 3127689 , 10078109 , 90702981
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90702980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90702981 can be divided by 32 positive divisors.
The sum of these divisors (counting 90702981) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101011010000000010010000101
3
Ternary
20022200012002200
4
Quaternary
11122000102011
5
Quinary
141204443411
6
Senary
13000025113
8
Octal
532002205
10
Decimal
90702981
12
Duodecimal
26462199
16
Hexadecimal
5680485
20
Vigesimal
186hh91
36
Base36
1i02v9
md5
bcb6c00e38a3e70c76fd7793b099d880
sha1
06293d19acf815d290cef8cb9c6d282efebe9b1c
sha256
ea436e00eb2577bc8e00c5c2cfa692532e324c1848d4e1f13bd3bed6f71e4079
sha512
66fd5add8fcc0c16e35d95fb96d1a58c08dbb27da43965777bdc7b4ef83ce62a19b0f59cfb44133f2d9d16c78d7164ded3f4463c9148cbf7e5d01e2853b6c0cc
ripemd-160
b64c9f66e707de34b2188bb8a66aa08ed4d5fc75
Diameter
181405962
Circumference
569903637.53659
Area
2.5845979403656E+16
Volume
3.1257431717016E+24
Surface area
1.0338391761462E+17
Circumference
569903637.53659
Perimeter
362811924
Area
8227030762286361
Diagonal
128273385.87787
Surface area
49362184573718166
Volume
7.4621621491808E+23
Space diagonal
157102171.48995
Perimeter
272108943
Area
3.562408818928E+15
Altitude
78551085.744977
Surface area
3.562408818928E+15
Volume
8.7942424299988E+22
Height
42757795.292623