66881372 is an even 8-digits composite number following 66881371
and preceding 66881373 . In scientific notation, it is written as 6.6881372 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 33022080 positive integers (up to 66881372) that are relatively prime to 66881372.
66881372 has 24 divisors, whose sum is 118518960
The reverse of 66881372 is 27318866
Previous prime number is 281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-six million eight hundred eighty-one thousand three hundred seventy-two
Scientific notation
6.6881372 × 10^7
Engineering notation
6.6881372 × 10^6
Prime Factorization
2 × 2 × 379 × 281 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33440686
Product of the distinct prime numbers
The prime factorization of 66881372 is 2 × 2 × 379 × 281 × 157.
Since it has a total of 5 prime factors.
1 , 9 , 69 , 54 , 564 , 117 , 4668 , 2809 , 94179 , 27147 , 937389 , 811232 , 5696428 , 9796293 , 17345301 , 69842673 , 74586006 , 752218798 , 1827731277 , 2991661895
n×2
133762744
n×3
200644116
n×4
267525488
n×5
334406860
n÷2
33440686
n÷3
22293790.666667
n÷3
16720343
n÷5
13376274.4
n2
4473117920602384
n3
2.9916826364767E+23
n4
2.0008783931614E+31
n5
1.3382149213979E+39
2 √n
8178.1032030661
3 √n
405.91496030872
4 √n
90.432865724061
5 √n
36.733392111348
1 , 2 , 4 , 157 , 281 , 314 , 379 , 562 , 628 , 758 , 1124 , 1516 , 44117 , 59503 , 88234 , 106499 , 119006 , 176468 , 212998 , 238012 , 425996 , 16720343 , 33440686 , 66881372
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66881371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66881372 can be divided by 24 positive divisors.
The sum of these divisors (counting 66881372) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111111001000011101011100
3
Ternary
11122211220222212
4
Quaternary
3333020131130
5
Quinary
114110200442
6
Senary
10345255552
8
Octal
377103534
10
Decimal
66881372
12
Duodecimal
1a4945b8
16
Hexadecimal
3fc875c
20
Vigesimal
10i038c
36
Base36
13thzw
md5
e792d5bc79a4cb6843133ae99c3fae80
sha1
2eeb3dbd90c675a3683d9d304e322f5b2f77d4bc
sha256
b12016c006b343b9596ecd8db5f37e932c0818759abd4914ff852f769665a76d
sha512
00ee8b06384387b3e7a8f5b76d07ff0fa82509871572fe8bcf6e4691d98267ffa96abf6e8b44832ad14634e9c6d74a51630deb59da009e178edbbd502ec44069
ripemd-160
0f79aace8899c8791d11f3f9b468668fae2b456e
Diameter
133762744
Circumference
420228053.87441
Area
1.4052714398005E+16
Volume
1.2531530923503E+24
Surface area
5.6210857592021E+16
Circumference
420228053.87441
Perimeter
267525488
Area
4473117920602384
Diagonal
94584543.35252
Surface area
26838707523614304
Volume
2.9916826364767E+23
Space diagonal
115841934.38391
Perimeter
200644116
Area
1.9369168766825E+15
Altitude
57920967.191957
Surface area
1.9369168766825E+15
Volume
3.5257317990179E+22
Height
31528181.117507