84156981 is an odd 8-digits composite number following 84156980
and preceding 84156982 . In scientific notation, it is written as 8.4156981 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 54216000 positive integers (up to 84156981) that are relatively prime to 84156981.
84156981 has 16 divisors, whose sum is 116028288
The reverse of 84156981 is 18965148
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-four million one hundred fifty-six thousand nine hundred eighty-one
Scientific notation
8.4156981 × 10^7
Engineering notation
8.4156981 × 10^6
Prime Factorization
3 × 37 × 151 × 5021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
84156981
Product of the distinct prime numbers
The prime factorization of 84156981 is 3 × 37 × 151 × 5021.
Since it has a total of 4 prime factors.
8 , 1 , 62 , 98 , 12 , 362 , 2981 , 901 , 82740 , 22252 , 736721 , 768368 , 5891037 , 4586083 , 96024297 , 1417171 , 600447668 , 606795068 , 4700894920 , 6685142557
n×2
168313962
n×3
252470943
n×4
336627924
n×5
420784905
n÷2
42078490.5
n÷3
28052327
n÷3
21039245.25
n÷5
16831396.2
n2
7082397451034361
n3
5.9603318772115E+23
n4
5.0160353654418E+31
n5
4.2213439294481E+39
2 √n
9173.7114081488
3 √n
438.22456218951
4 √n
95.779493672439
5 √n
38.460774848801
1 , 3 , 37 , 111 , 151 , 453 , 5021 , 5587 , 15063 , 16761 , 185777 , 557331 , 758171 , 2274513 , 28052327 , 84156981
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
-84156980
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 84156981 can be divided by 16 positive divisors.
The sum of these divisors (counting 84156981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000001000010001000110101
3
Ternary
12212100121200020
4
Quaternary
11001002020311
5
Quinary
133021010411
6
Senary
12203435353
8
Octal
501021065
10
Decimal
84156981
12
Duodecimal
24225b59
16
Hexadecimal
5042235
20
Vigesimal
165jc91
36
Base36
1e3rxx
md5
2cc4ef657c9a4d75bef93ff1dc64b80b
sha1
bee1e654fb6b6900297e3a2f8bfa69d176354ab2
sha256
10b881b38b38abe2a6cc13b7e588e1d3bcda85230fa76bdd6da88bd8998ab245
sha512
3fa394fb034d61f331bfa3892f02102f022d66dd54ecf5b0beba5ff7965277bd806af26ec5fec8f20dc0b782cf27e2aa26b9cec19f1eba52b892ad07505b0cc1
ripemd-160
3bd8bba023914ee6cde02a617246229c60c832fe
Diameter
168313962
Circumference
528773906.51579
Area
2.2250007801973E+16
Volume
2.4966579784539E+24
Surface area
8.900003120789E+16
Circumference
528773906.51579
Perimeter
336627924
Area
7082397451034361
Diagonal
119015943.89857
Surface area
42494384706206166
Volume
5.9603318772115E+23
Space diagonal
145764166.90361
Perimeter
252470943
Area
3.066768056147E+15
Altitude
72882083.451804
Surface area
3.066768056147E+15
Volume
7.024318480831E+22
Height
39671981.299525