69897989 is an odd 8-digits composite number following 69897988
and preceding 69897990 . In scientific notation, it is written as 6.9897989 × 10^7.
The sum of its digits is 65. It has a total of 4 prime factors and 16 positive divisors.
There are 55904640 positive integers (up to 69897989) that are relatively prime to 69897989.
69897989 has 16 divisors, whose sum is 85397760
The reverse of 69897989 is 98979896
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 65
Digital Root 2
Name
sixty-nine million eight hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
6.9897989 × 10^7
Engineering notation
6.9897989 × 10^6
Prime Factorization
7 × 23 × 41 × 10589
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69897989
Product of the distinct prime numbers
The prime factorization of 69897989 is 7 × 23 × 41 × 10589.
Since it has a total of 4 prime factors.
9 , 5 , 35 , 77 , 276 , 340 , 7618 , 9462 , 75548 , 13944 , 727521 , 552019 , 8384231 , 3470744 , 895890 , 65334111 , 981663858 , 503109056 , 9955307937 , 7051687367
n×2
139795978
n×3
209693967
n×4
279591956
n×5
349489945
n÷2
34948994.5
n÷3
23299329.666667
n÷3
17474497.25
n÷5
13979597.8
n2
4885728866244121
n3
3.4150262254971E+23
n4
2.3870346554451E+31
n5
1.6684892208892E+39
2 √n
8360.5017193946
3 √n
411.92823435014
4 √n
91.435779208112
5 √n
37.058935154258
1 , 7 , 23 , 41 , 161 , 287 , 943 , 6601 , 10589 , 74123 , 243547 , 434149 , 1704829 , 3039043 , 9985427 , 69897989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-69897988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 69897989 can be divided by 16 positive divisors.
The sum of these divisors (counting 69897989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001010101000111100000101
3
Ternary
11212112012000102
4
Quaternary
10022220330011
5
Quinary
120343213424
6
Senary
10534053445
8
Octal
412507405
10
Decimal
69897989
12
Duodecimal
1b4aa285
16
Hexadecimal
42a8f05
20
Vigesimal
11gh4j9
36
Base36
15m5mt
md5
13b208af16237b283475cf0fbfc2cb04
sha1
b9166593a9f9a9f6aba7dd8e064ec9c48774dcdb
sha256
50815be83fb4ad5d912ec200633100f21b0ee9b26c9913e4a1381a89c3dd6522
sha512
a780bdadaed2ce98a75143bc1ec9686cca720281b04782df3a02baac14171175a2cc2a639f57124e6470a15102c02553b68ca900c3aa93b9fdc16d6c2e11ed9a
ripemd-160
96d47fda2511b3af8c50e98d9bb078483e4eccde
Diameter
139795978
Circumference
439182017.4862
Area
1.5348969913624E+16
Volume
1.4304828402451E+24
Surface area
6.1395879654496E+16
Circumference
439182017.4862
Perimeter
279591956
Area
4885728866244121
Diagonal
98850684.026405
Surface area
29314373197464726
Volume
3.4150262254971E+23
Space diagonal
121066868.29489
Perimeter
209693967
Area
2.1155826570852E+15
Altitude
60533434.147445
Surface area
2.1155826570852E+15
Volume
4.0246470032982E+22
Height
32950228.008802