66878875 is an odd 8-digits composite number following 66878874
and preceding 66878876 . In scientific notation, it is written as 6.6878875 × 10^7.
The sum of its digits is 55. It has a total of 5 prime factors and 32 positive divisors.
There are 44856000 positive integers (up to 66878875) that are relatively prime to 66878875.
66878875 has 32 divisors, whose sum is 87048000
The reverse of 66878875 is 57887866
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-six million eight hundred seventy-eight thousand eight hundred seventy-five
Scientific notation
6.6878875 × 10^7
Engineering notation
6.6878875 × 10^6
Prime Factorization
5 × 25 × 49 × 61 × 179
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66878875
Product of the distinct prime numbers
The prime factorization of 66878875 is 5 × 25 × 49 × 61 × 179.
Since it has a total of 5 prime factors.
1 , 4 , 4 , 64 , 913 , 820 , 7178 , 2545 , 96397 , 49215 , 127996 , 631976 , 6881294 , 8102715 , 83547032 , 19413175 , 18732440 , 435813454 , 9147933669 , 6063388595
n×2
133757750
n×3
200636625
n×4
267515500
n×5
334394375
n÷2
33439437.5
n÷3
22292958.333333
n÷3
16719718.75
n÷5
13375775
n2
4472783921265625
n3
2.9913475677233E+23
n4
2.0005796006332E+31
n5
1.337965130383E+39
2 √n
8177.9505378793
3 √n
405.90990866659
4 √n
90.4320216399
5 √n
36.733117820773
1 , 5 , 25 , 49 , 61 , 125 , 179 , 245 , 305 , 895 , 1225 , 1525 , 2989 , 4475 , 6125 , 7625 , 8771 , 10919 , 14945 , 22375 , 43855 , 54595 , 74725 , 219275 , 272975 , 373625 , 535031 , 1096375 , 1364875 , 2675155 , 13375775 , 66878875
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66878874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66878875 can be divided by 32 positive divisors.
The sum of these divisors (counting 66878875) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111000111110110011011
3
Ternary
11122211210120101
4
Quaternary
3333013312123
5
Quinary
114110111000
6
Senary
10345240231
8
Octal
377076633
10
Decimal
66878875
12
Duodecimal
1a493077
16
Hexadecimal
3fc7d9b
20
Vigesimal
10hjh3f
36
Base36
13tg2j
md5
d88d2a687cc80b79a5d29b06279302c9
sha1
c7dfca4194538a319fec7f8851eebc9db71969b3
sha256
4b646bdd9dea43ace19c77f64d316cd4a656385819893a1e0ae3e969a1b4bfb1
sha512
c6ed45fdc74a3ca9de90725cf518fb7261caa51c3c307b2d84cd86df4c78341cce29d29b5b3e27b0027a236ae161c41b6f0a38972c8295ca52cd40832f049546
ripemd-160
37b4b478431308b39ce19ed37ae97dbfe0f0d9d7
Diameter
133757750
Circumference
420212364.7607
Area
1.4051665108143E+16
Volume
1.2530127390791E+24
Surface area
5.6206660432571E+16
Circumference
420212364.7607
Perimeter
267515500
Area
4472783921265625
Diagonal
94581012.061255
Surface area
26836703527593750
Volume
2.9913475677233E+23
Space diagonal
115837609.45305
Perimeter
200636625
Area
1.9367722507273E+15
Altitude
57918804.726524
Surface area
1.9367722507273E+15
Volume
3.5253369167051E+22
Height
31527004.020418