88891981 is an odd 8-digits composite number following 88891980
and preceding 88891982 . In scientific notation, it is written as 8.8891981 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 88863264 positive integers (up to 88891981) that are relatively prime to 88891981.
88891981 has 4 divisors, whose sum is 88920700
The reverse of 88891981 is 18919888
Previous prime number is 3529
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighty-eight million eight hundred ninety-one thousand nine hundred eighty-one
Scientific notation
8.8891981 × 10^7
Engineering notation
8.8891981 × 10^6
Prime Factorization
3529 × 25189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
88891981
Product of the distinct prime numbers
The prime factorization of 88891981 is 3529 × 25189.
Since it has a total of 2 prime factors.
3 , 9 , 68 , 19 , 588 , 186 , 1633 , 6778 , 99324 , 22042 , 518226 , 608713 , 4351256 , 9234180 , 3720939 , 32962513 , 275868745 , 653355464 , 6360508536 , 5833072947
n×2
177783962
n×3
266675943
n×4
355567924
n×5
444459905
n÷2
44445990.5
n÷3
29630660.333333
n÷3
22222995.25
n÷5
17778396.2
n2
7901784286104361
n3
7.0240525862649E+23
n4
6.2438194904126E+31
n5
5.5502548350918E+39
2 √n
9428.2543983497
3 √n
446.29380823077
4 √n
97.099198752357
5 √n
38.884141686919
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-88891980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 88891981 can be divided by 4 positive divisors.
The sum of these divisors (counting 88891981) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010011000110001001001101
3
Ternary
20012021011212121
4
Quaternary
11103012021031
5
Quinary
140224020411
6
Senary
12453132541
8
Octal
523061115
10
Decimal
88891981
12
Duodecimal
2592a151
16
Hexadecimal
54c624d
20
Vigesimal
17fb9j1
36
Base36
1gx9hp
md5
5188ddea9d215fbc6df66c34b38d70a8
sha1
55e3b01c1648dcafd76a4a05a12429f30e210b40
sha256
83afc29a0688cf0461bf1c7e793a35336c97effa40feba5f7aba82583d223725
sha512
b64a86802d574f9ee231a99c2dd7d03e5c79caf83d8ca487caa00352352f419dc6320830e530b8eaec0b91a328c991ac7231459f34a5a26bfbf78b46033eafd1
ripemd-160
2c48540721080aa4dad82281d3d86dba34b8ea76
Diameter
177783962
Circumference
558524788.94529
Area
2.4824187463477E+16
Volume
2.9422282671251E+24
Surface area
9.9296749853907E+16
Circumference
558524788.94529
Perimeter
355567924
Area
7901784286104361
Diagonal
125712245.11641
Surface area
47410705716626166
Volume
7.0240525862649E+23
Space diagonal
153965427.47745
Perimeter
266675943
Area
3.4215729634955E+15
Altitude
76982713.738724
Surface area
3.4215729634955E+15
Volume
8.277925358598E+22
Height
41904081.70547