69897985 is an odd 8-digits composite number following 69897984
and preceding 69897986 . In scientific notation, it is written as 6.9897985 × 10^7.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 55918384 positive integers (up to 69897985) that are relatively prime to 69897985.
69897985 has 4 divisors, whose sum is 83877588
The reverse of 69897985 is 58979896
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
sixty-nine million eight hundred ninety-seven thousand nine hundred eighty-five
Scientific notation
6.9897985 × 10^7
Engineering notation
6.9897985 × 10^6
Prime Factorization
5 × 13979597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
69897985
Product of the distinct prime numbers
The prime factorization of 69897985 is 5 × 13979597.
Since it has a total of 2 prime factors.
7 , 6 , 45 , 95 , 631 , 34 , 884 , 1863 , 5073 , 60892 , 868289 , 70009 , 8056723 , 7087651 , 14693533 , 46605747 , 5025839 , 982601714 , 7011835581 , 1907293262
n×2
139795970
n×3
209693955
n×4
279591940
n×5
349489925
n÷2
34948992.5
n÷3
23299328.333333
n÷3
17474496.25
n÷5
13979597
n2
4885728307060225
n3
3.4150256392097E+23
n4
2.387034109041E+31
n5
1.6684887434823E+39
2 √n
8360.5014801745
3 √n
411.92822649243
4 √n
91.43577789998
5 √n
37.058934730109
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-69897984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 69897985 can be divided by 4 positive divisors.
The sum of these divisors (counting 69897985) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001010101000111100000001
3
Ternary
11212112012000021
4
Quaternary
10022220330001
5
Quinary
120343213420
6
Senary
10534053441
8
Octal
412507401
10
Decimal
69897985
12
Duodecimal
1b4aa281
16
Hexadecimal
42a8f01
20
Vigesimal
11gh4j5
36
Base36
15m5mp
md5
8f16b23b3dd2cc9f07ed6c12dc133bef
sha1
9eaecb5f0289a3a07175f0d90b3853bb6fadbd2a
sha256
61d3b7c52055dc243eb6caeceaebdf891bda024f779e75ae2af7c9ddb4f4daf9
sha512
bddc6065024327389f5188b8b535a469d51f0e13dfe67be314b10dbaa6835524fb5b0bfd5abec673d6b5e471747532c55ce770bb6e2fa6dab1ad29cdbc17a019
ripemd-160
fc50d30134b4759948a2202d1430c2c74ebce20f
Diameter
139795970
Circumference
439181992.35346
Area
1.5348968156896E+16
Volume
1.4304825946616E+24
Surface area
6.1395872627584E+16
Circumference
439181992.35346
Perimeter
279591940
Area
4885728307060225
Diagonal
98850678.369551
Surface area
29314369842361350
Volume
3.4150256392097E+23
Space diagonal
121066861.36669
Perimeter
209693955
Area
2.1155824149514E+15
Altitude
60533430.683344
Surface area
2.1155824149514E+15
Volume
4.0246463123519E+22
Height
32950226.123184