84851981 is an odd 8-digits composite number following 84851980
and preceding 84851982 . In scientific notation, it is written as 8.4851981 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 79860672 positive integers (up to 84851981) that are relatively prime to 84851981.
84851981 has 4 divisors, whose sum is 89843292
The reverse of 84851981 is 18915848
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-four million eight hundred fifty-one thousand nine hundred eighty-one
Scientific notation
8.4851981 × 10^7
Engineering notation
8.4851981 × 10^6
Prime Factorization
17 × 4991293
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
84851981
Product of the distinct prime numbers
The prime factorization of 84851981 is 17 × 4991293.
Since it has a total of 2 prime factors.
5 , 10 , 68 , 92 , 114 , 62 , 7788 , 8177 , 53662 , 82509 , 296759 , 708543 , 4660529 , 5102864 , 34957271 , 37443933 , 273074057 , 39859982 , 9097254775 , 1878075561
n×2
169703962
n×3
254555943
n×4
339407924
n×5
424259905
n÷2
42425990.5
n÷3
28283993.666667
n÷3
21212995.25
n÷5
16970396.2
n2
7199858679624361
n3
6.1092227188617E+23
n4
5.1837965006562E+31
n5
4.3985540218155E+39
2 √n
9211.5135021342
3 √n
439.4275976185
4 √n
95.976629979043
5 √n
38.524090746948
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
-84851980
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 84851981 can be divided by 4 positive divisors.
The sum of these divisors (counting 84851981) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000011101011110100001101
3
Ternary
12220122221000222
4
Quaternary
11003223310031
5
Quinary
133210230411
6
Senary
12230401125
8
Octal
503536415
10
Decimal
84851981
12
Duodecimal
245001a5
16
Hexadecimal
50ebd0d
20
Vigesimal
16a69j1
36
Base36
1eio7h
md5
98445cd749533a48e016fd909622dcb4
sha1
7bc46f358c2906b41e9a4f608de7779818cc9806
sha256
abf7c56bfbf1b1d7ee0dea16d1f1a77ed312045e21745ca6802a9df7ad9819f3
sha512
827b24586962b732b8e35fd89bdaae9a3d71759050b1add45b2ddd754edce6a875b9e2fdbd0915c0e859add614729d081c3ad0b7cf28927f4d4a1264a38c2fbe
ripemd-160
2e7c3a8762585f5bb48fd9f1d74052f2c2864b14
Diameter
169703962
Circumference
533140720.30428
Area
2.2619023134793E+16
Volume
2.5590252283626E+24
Surface area
9.047609253917E+16
Circumference
533140720.30428
Perimeter
339407924
Area
7199858679624361
Diagonal
119998822.32442
Surface area
43199152077746166
Volume
6.1092227188617E+23
Space diagonal
146967942.21487
Perimeter
254555943
Area
3.1176302601063E+15
Altitude
73483971.107435
Surface area
3.1176302601063E+15
Volume
7.1997880204767E+22
Height
39999607.441475