69897990 is an even 8-digits composite number following 69897989
and preceding 69897991 . In scientific notation, it is written as 6.9897990 × 10^7.
The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors.
There are 18287360 positive integers (up to 69897990) that are relatively prime to 69897990.
69897990 has 32 divisors, whose sum is 170924256
The reverse of 69897990 is 09979896
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-nine million eight hundred ninety-seven thousand nine hundred ninety
Scientific notation
6.9897990 × 10^7
Engineering notation
6.9897990 × 10^6
Prime Factorization
2 × 3 × 5 × 53 × 43961
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
69897990
Product of the distinct prime numbers
The prime factorization of 69897990 is 2 × 3 × 5 × 53 × 43961.
Since it has a total of 5 prime factors.
9 , 10 , 61 , 1 , 70 , 237 , 2557 , 1177 , 29745 , 44355 , 619701 , 579493 , 2246074 , 2060121 , 54197130 , 61593825 , 316405772 , 873763652 , 2975705128 , 926758115
n×2
139795980
n×3
209693970
n×4
279591960
n×5
349489950
n÷2
34948995
n÷3
23299330
n÷3
17474497.5
n÷5
13979598
n2
4885729006040100
n3
3.415026372069E+23
n4
2.3870347920462E+31
n5
1.6684893402409E+39
2 √n
8360.5017791996
3 √n
411.92823631456
4 √n
91.435779535145
5 √n
37.058935260295
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 53 , 106 , 159 , 265 , 318 , 530 , 795 , 1590 , 43961 , 87922 , 131883 , 219805 , 263766 , 439610 , 659415 , 1318830 , 2329933 , 4659866 , 6989799 , 11649665 , 13979598 , 23299330 , 34948995 , 69897990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-69897989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 69897990 can be divided by 32 positive divisors.
The sum of these divisors (counting 69897990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100001010101000111100000110
3
Ternary
11212112012000110
4
Quaternary
10022220330012
5
Quinary
120343213430
6
Senary
10534053450
8
Octal
412507406
10
Decimal
69897990
12
Duodecimal
1b4aa286
16
Hexadecimal
42a8f06
20
Vigesimal
11gh4ja
36
Base36
15m5mu
md5
6881c5df338a22bdc60f0d763700a937
sha1
8c6be7c9d9c8339a5be0fcc8d395849e01d36084
sha256
9e5a76974a28a99fd65298ba285f391ee70b971042a2b8c33597e86be53cd893
sha512
592a1f6651157b3f1d0727c93dd4c334f1902517b91a79e7da6848cc866e1c95d96fcdfacaeb032cdb47c6317d6e0fa860d21f9f8f0d596a78e8e7b78406ceec
ripemd-160
82b9858f1d39c6a8efc87d6b77015036009bfe68
Diameter
139795980
Circumference
439182023.76939
Area
1.5348970352806E+16
Volume
1.430482901641E+24
Surface area
6.1395881411225E+16
Circumference
439182023.76939
Perimeter
279591960
Area
4885729006040100
Diagonal
98850685.440619
Surface area
29314374036240600
Volume
3.415026372069E+23
Space diagonal
121066870.02694
Perimeter
209693970
Area
2.1155827176186E+15
Altitude
60533435.013471
Surface area
2.1155827176186E+15
Volume
4.0246471760348E+22
Height
32950228.480206