66989899 is an odd 8-digits composite number following 66989898
and preceding 66989900 . In scientific notation, it is written as 6.6989899 × 10^7.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 65392680 positive integers (up to 66989899) that are relatively prime to 66989899.
66989899 has 8 divisors, whose sum is 68594688
The reverse of 66989899 is 99898966
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 64
Digital Root 1
Name
sixty-six million nine hundred eighty-nine thousand eight hundred ninety-nine
Scientific notation
6.6989899 × 10^7
Engineering notation
6.6989899 × 10^6
Prime Factorization
47 × 431 × 3307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66989899
Product of the distinct prime numbers
The prime factorization of 66989899 is 47 × 431 × 3307.
Since it has a total of 3 prime factors.
9 , 10 , 37 , 99 , 825 , 903 , 7277 , 6208 , 59816 , 96834 , 776731 , 602644 , 14771 , 506116 , 31098782 , 8195885 , 150847662 , 695583476 , 4490248243 , 7235683462
n×2
133979798
n×3
200969697
n×4
267959596
n×5
334949495
n÷2
33494949.5
n÷3
22329966.333333
n÷3
16747474.75
n÷5
13397979.8
n2
4487646568030201
n3
3.0062699034004E+23
n4
2.0138971719553E+31
n5
1.3491076814567E+39
2 √n
8184.7357318364
3 √n
406.13439822406
4 √n
90.469529300403
5 √n
36.745305682129
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
-66989898
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 66989899 can be divided by 8 positive divisors.
The sum of these divisors (counting 66989899) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111100010111101001011
3
Ternary
11200001102212101
4
Quaternary
3333202331023
5
Quinary
114122134044
6
Senary
10351454231
8
Octal
377427513
10
Decimal
66989899
12
Duodecimal
1a527377
16
Hexadecimal
3fe2f4b
20
Vigesimal
10ideej
36
Base36
13vtqj
md5
f08618cd743c28bdba3299cab370dbbd
sha1
efa4cd28c74c24c5ea6660ed936b989399b7f28b
sha256
200dc7588e608af852616cc46fcc5b90b784947099c19f3d90a076b1d54d3f13
sha512
3acd8f47056ab6ea1d4fe5a763e53271e3f474d9b11403f88cc86cab44f1ed01eafe2f5b9c95a493118cbac8fc17e89d668df53b53e57b827575f36c7989759e
ripemd-160
5d1b29bf5d84ab65f3b9701a7a786ffda7bc01b5
Diameter
133979798
Circumference
420909949.12624
Area
1.4098357490031E+16
Volume
1.2592633924308E+24
Surface area
5.6393429960125E+16
Circumference
420909949.12624
Perimeter
267959596
Area
4487646568030201
Diagonal
94738023.707804
Surface area
26925879408181206
Volume
3.0062699034004E+23
Space diagonal
116029908.66191
Perimeter
200969697
Area
1.9432079655601E+15
Altitude
58014954.330954
Surface area
1.9432079655601E+15
Volume
3.5429230579524E+22
Height
31579341.235935