85979881 is an odd 8-digits composite number following 85979880
and preceding 85979882 . In scientific notation, it is written as 8.5979881 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 79261392 positive integers (up to 85979881) that are relatively prime to 85979881.
85979881 has 8 divisors, whose sum is 92715840
The reverse of 85979881 is 18897958
Previous prime number is 839
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighty-five million nine hundred seventy-nine thousand eight hundred eighty-one
Scientific notation
8.5979881 × 10^7
Engineering notation
8.5979881 × 10^6
Prime Factorization
13 × 839 × 7883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85979881
Product of the distinct prime numbers
The prime factorization of 85979881 is 13 × 839 × 7883.
Since it has a total of 3 prime factors.
1 , 8 , 18 , 31 , 845 , 280 , 1042 , 6776 , 86038 , 26245 , 709833 , 822568 , 9206005 , 7961115 , 71983667 , 82400465 , 93660775 , 425015909 , 4271241416 , 88076184
n×2
171959762
n×3
257939643
n×4
343919524
n×5
429899405
n÷2
42989940.5
n÷3
28659960.333333
n÷3
21494970.25
n÷5
17195976.2
n2
7392539936774161
n3
6.3560970405159E+23
n4
5.4649646716801E+31
n5
4.6987701214026E+39
2 √n
9272.5336882645
3 √n
441.36607287528
4 √n
96.293996117435
5 √n
38.625967250856
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-85979880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85979881 can be divided by 8 positive divisors.
The sum of these divisors (counting 85979881) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000111111111001011101001
3
Ternary
12222210020020001
4
Quaternary
11013333023221
5
Quinary
134002324011
6
Senary
12310503001
8
Octal
507771351
10
Decimal
85979881
12
Duodecimal
24964a61
16
Hexadecimal
51ff2e9
20
Vigesimal
16h79e1
36
Base36
1f6ui1
md5
79454b4c34d8adc30cea8f902cfa7bac
sha1
daaaa34a0c366cd54513a7e96c5de62e639b5408
sha256
5c4b9c3b77f2196427badaa9d1a47e5bd436065f4be8248627a2b2fd071fe1a9
sha512
9b82539932c94fb2ee467d12dde0a36d6a971ff0d9b4f9c1151edbdcac5cbe550313134f8cace9a1cfb91afcddc5f4447e1989d8a657229d34fea87a3f8d4a6c
ripemd-160
52484e769393f6fe1ee844ad2f4235724e04417c
Diameter
171959762
Circumference
540227525.01225
Area
2.3224349156739E+16
Volume
2.6624357023985E+24
Surface area
9.2897396626955E+16
Circumference
540227525.01225
Perimeter
343919524
Area
7392539936774161
Diagonal
121593913.80142
Surface area
44355239620644966
Volume
6.3560970405159E+23
Space diagonal
148921522.32073
Perimeter
257939643
Area
3.2010636918687E+15
Altitude
74460761.160363
Surface area
3.2010636918687E+15
Volume
7.4907321987142E+22
Height
40531304.600475