69887989 is an odd 8-digits composite number following 69887988
and preceding 69887990 . In scientific notation, it is written as 6.9887989 × 10^7.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 69870924 positive integers (up to 69887989) that are relatively prime to 69887989.
69887989 has 4 divisors, whose sum is 69905056
The reverse of 69887989 is 98978896
Previous prime number is 6823
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 64
Digital Root 1
Name
sixty-nine million eight hundred eighty-seven thousand nine hundred eighty-nine
Scientific notation
6.9887989 × 10^7
Engineering notation
6.9887989 × 10^6
Prime Factorization
6823 × 10243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
69887989
Product of the distinct prime numbers
The prime factorization of 69887989 is 6823 × 10243.
Since it has a total of 2 prime factors.
6 , 3 , 85 , 55 , 406 , 990 , 623 , 3945 , 33924 , 49762 , 766483 , 699697 , 8201346 , 7229817 , 6098959 , 3774070 , 235909933 , 632546636 , 3348108702 , 342985147
n×2
139775978
n×3
209663967
n×4
279551956
n×5
349439945
n÷2
34943994.5
n÷3
23295996.333333
n÷3
17471997.25
n÷5
13977597.8
n2
4884331006464121
n3
3.4135607165212E+23
n4
2.3856689380707E+31
n5
1.6672960450153E+39
2 √n
8359.9036477701
3 √n
411.90858915547
4 √n
91.432508703251
5 √n
37.057874721573
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
-69887988
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 69887989 can be divided by 4 positive divisors.
The sum of these divisors (counting 69887989) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001010100110011111110101
3
Ternary
11212111200022001
4
Quaternary
10022212133311
5
Quinary
120342403424
6
Senary
10533535301
8
Octal
412463765
10
Decimal
69887989
12
Duodecimal
1b4a4531
16
Hexadecimal
42a67f5
20
Vigesimal
11gfjj9
36
Base36
15lxx1
md5
7a1a9a7280e6909bee0a45d1e3872c56
sha1
1eac232472f0b04686a2c0a206953150859ff341
sha256
cb6858b681dfa3c630048d5167e4603a1eff2f689defbb9137dcada2ee17ac18
sha512
c323686a67c2e0c572bb9e96d6040e236c2a50af8176066076c0674aa35f149476781456592e6addaf69d43d33a7c0bdb26e33b748c8aed42d0c7c3d428031f6
ripemd-160
c0d7f6c1ac6e02b2f834cc4268edab3498c50cb9
Diameter
139775978
Circumference
439119185.63313
Area
1.5344578407609E+16
Volume
1.4298689692808E+24
Surface area
6.1378313630434E+16
Circumference
439119185.63313
Perimeter
279551956
Area
4884331006464121
Diagonal
98836541.890782
Surface area
29305986038784726
Volume
3.4135607165212E+23
Space diagonal
121049547.78681
Perimeter
209663967
Area
2.114977366045E+15
Altitude
60524773.893407
Surface area
2.114977366045E+15
Volume
4.022919884407E+22
Height
32945513.963594