66989897 is an odd 8-digits composite number following 66989896
and preceding 66989898 . In scientific notation, it is written as 6.6989897 × 10^7.
The sum of its digits is 62. It has a total of 3 prime factors and 8 positive divisors.
There are 61747200 positive integers (up to 66989897) that are relatively prime to 66989897.
66989897 has 8 divisors, whose sum is 72247560
The reverse of 66989897 is 79898966
Previous prime number is 6701
Is Prime? no Number parity odd Number length 8 Sum of Digits 62 Digital Root 8
Name
sixty-six million nine hundred eighty-nine thousand eight hundred ninety-seven
Scientific notation
6.6989897 × 10^7
Engineering notation
6.6989897 × 10^6
Prime Factorization
13 × 6701 × 769
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
66989897 Product of the distinct prime numbers
The prime factorization of 66989897 is 13 × 6701 × 769.
Since it has a total of 3 prime factors.
9 , 8 , 46 , 77 , 579 , 722 , 9816 , 4953 , 57259 , 74615 , 39594 , 220873 , 6761730 , 1622447 , 74209586 , 2663280 , 104748102 , 732569750 , 5951434726 , 7007957319
n×2
133979794
n×3
200969691
n×4
267959588
n×5
334949485
n÷2
33494948.5
n÷3
22329965.666667
n÷3
16747474.25
n÷5
13397979.4
n2
4487646300070609
n3
3.0062696341416E+23
n4
2.0138969314537E+31
n5
1.349107480067E+39
2 √n8184.7356096578
3 √n406.13439418231
4 √n90.469528625155
5 √n36.745305462721
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
-66989896 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 66989897 can be divided by 8 positive divisors.
The sum of these divisors (counting 66989897) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111100010111101001001
3
Ternary
11200001102212022
4
Quaternary
3333202331021
5
Quinary
114122134042
6
Senary
10351454225
8
Octal
377427511
10
Decimal
66989897
12
Duodecimal
1a527375
16
Hexadecimal
3fe2f49
20
Vigesimal
10ideeh
36
Base36
13vtqh
md5
5b5f9f05479a3559e097ad9e6eee1d18
sha1
49170dafa962291f93c97321a373b7e5767a1bf9
sha256
ba58462839e4a8148c6e43b6105967a6917aa41f4a1d6e882d153c300885c308
sha512
68f19ea6417d910e99d59cc012a999b89e0e9b86d70d9d6e55d96308cc6dbbb679a0d846880c79fcaa887b6fd2bd7a863641e12363c0e02efe0f5387ea06278e
ripemd-160
eb5141c2a30f2b3409b631f861262558f12f9986
Diameter
133979794
Circumference
420909936.55987
Area
1.4098356648211E+16
Volume
1.2592632796439E+24
Surface area
5.6393426592845E+16
Circumference
420909936.55987
Perimeter
267959588
Area
4487646300070609
Diagonal
94738020.879377
Surface area
26925877800423654
Volume
3.0062696341416E+23
Space diagonal
116029905.19781
Perimeter
200969691
Area
1.9432078495302E+15
Altitude
58014952.598903
Surface area
1.9432078495302E+15
Volume
3.5429227406279E+22
Height
31579340.293126