69889987 is an odd 8-digits composite number following 69889986
and preceding 69889988 . In scientific notation, it is written as 6.9889987 × 10^7.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 67109952 positive integers (up to 69889987) that are relatively prime to 69889987.
69889987 has 8 divisors, whose sum is 72726336
The reverse of 69889987 is 78998896
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 64
Digital Root 1
Name
sixty-nine million eight hundred eighty-nine thousand nine hundred eighty-seven
Scientific notation
6.9889987 × 10^7
Engineering notation
6.9889987 × 10^6
Prime Factorization
53 × 47 × 28057
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
69889987
Product of the distinct prime numbers
The prime factorization of 69889987 is 53 × 47 × 28057.
Since it has a total of 3 prime factors.
1 , 10 , 16 , 100 , 728 , 467 , 1008 , 9967 , 67378 , 19694 , 576623 , 326988 , 4431518 , 4583074 , 13151039 , 31430213 , 947823168 , 842548138 , 9702551315 , 3731124508
n×2
139779974
n×3
209669961
n×4
279559948
n×5
349449935
n÷2
34944993.5
n÷3
23296662.333333
n÷3
17472496.75
n÷5
13977997.4
n2
4884610282860169
n3
3.4138534916916E+23
n4
2.3859417615423E+31
n5
1.6675343869695E+39
2 √n
8360.023145901
3 √n
411.91251441516
4 √n
91.433162178178
5 √n
37.058086605726
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
-69889986
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 69889987 can be divided by 8 positive divisors.
The sum of these divisors (counting 69889987) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001010100110111111000011
3
Ternary
11212111210001001
4
Quaternary
10022212333003
5
Quinary
120342434422
6
Senary
10533552431
8
Octal
412467703
10
Decimal
69889987
12
Duodecimal
1b4a5717
16
Hexadecimal
42a6fc3
20
Vigesimal
11gg4j7
36
Base36
15lzgj
md5
242bebf003903d5a17f58adb6251d778
sha1
a8bb78015430d3e20254e98610a67736571b5fbb
sha256
2fe210cd34632a4a348507749a190eef87f35ce5ab37310a962e23bbaf688a25
sha512
652010b35162650fa0ff60205075b3ad2d10b82cf9ef2754b11a2f0a3ec1e6553255061cec69c432f36bcd145274dd346e2d59bb4c6fde815806e104965fc203
ripemd-160
1d2feee4547ab2b0a22e6d6d445bea84c8b8a041
Diameter
139779974
Circumference
439131739.43737
Area
1.5345455780283E+16
Volume
1.4299916066574E+24
Surface area
6.1381823121131E+16
Circumference
439131739.43737
Perimeter
279559948
Area
4884610282860169
Diagonal
98839367.489479
Surface area
29307661697161014
Volume
3.4138534916916E+23
Space diagonal
121053008.42433
Perimeter
209669961
Area
2.1150982962718E+15
Altitude
60526504.212164
Surface area
2.1150982962718E+15
Volume
4.0232649232542E+22
Height
32946455.829826