66881489 is an odd 8-digits prime number following 66881488
and preceding 66881490 . In scientific notation, it is written as 6.6881489 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 66881488 positive integers (up to 66881489) that are relatively prime to 66881489.
66881489 has 2 divisors, whose sum is 66881490
The reverse of 66881489 is 98418866
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
sixty-six million eight hundred eighty-one thousand four hundred eighty-nine
Scientific notation
6.6881489 × 10^7
Engineering notation
6.6881489 × 10^6
Prime Factorization
66881489
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
66881489 Product of the distinct prime numbers
The prime factorization of 66881489 is 66881489.
Since it has a total of 1 prime factors.
2 , 4 , 93 , 88 , 97 , 88 , 7883 , 8820 , 3941 , 57465 , 620833 , 231212 , 354637 , 6044539 , 89341507 , 27613083 , 222284906 , 991303815 , 6862114275 , 2834297653
n×2
133762978
n×3
200644467
n×4
267525956
n×5
334407445
n÷2
33440744.5
n÷3
22293829.666667
n÷3
16720372.25
n÷5
13376297.8
n2
4473133570857121
n3
2.9916983371481E+23
n4
2.0008923942729E+31
n5
1.3382266265775E+39
2 √n8178.1103563109
3 √n405.91519700653
4 √n90.432905274081
5 √n36.733404963369
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
66881490 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
33440745 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8178.1104174497 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999700964 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66881489 can be divided by 2 positive divisors.
The sum of these divisors (counting 66881489) is 66881490, the average is 33440745.
Base
System
Value
2
Binary
11111111001000011111010001
3
Ternary
11122211221011012
4
Quaternary
3333020133101
5
Quinary
114110201424
6
Senary
10345300305
8
Octal
377103721
10
Decimal
66881489
12
Duodecimal
1a494695
16
Hexadecimal
3fc87d1
20
Vigesimal
10i03e9
36
Base36
13ti35
md5
2f35ba8cba363f8dde054c20f156fd01
sha1
7110d49e5d6f81a35d50c69406b7c6be08ac6dde
sha256
b0d21b318340afb35f3c38449372d1d66eeed529506bace9327967e5b62dacb4
sha512
e56a1f084fc367bc1effd04ccc2360e96e01cdd020dc02638033f6990a79d5e95fe272fbaec7f9c3a55e5644c8b493429d4acd6be644c0145e919ba9bed86ec5
ripemd-160
9e76b9d3d7b123b8419d131c595dde8e06e523d4
Diameter
133762978
Circumference
420228789.00709
Area
1.4052763564731E+16
Volume
1.2531596690322E+24
Surface area
5.6211054258922E+16
Circumference
420228789.00709
Perimeter
267525956
Area
4473133570857121
Diagonal
94584708.815507
Surface area
26838801425142726
Volume
2.9916983371481E+23
Space diagonal
115842137.03386
Perimeter
200644467
Area
1.9369236534416E+15
Altitude
57921068.516929
Surface area
1.9369236534416E+15
Volume
3.5257503024366E+22
Height
31528236.271836