69878890 is an even 8-digits composite number following 69878889
and preceding 69878891 . In scientific notation, it is written as 6.9878890 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 27900160 positive integers (up to 69878890) that are relatively prime to 69878890.
69878890 has 16 divisors, whose sum is 126013320
The reverse of 69878890 is 09887896
Previous prime number is 569
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-nine million eight hundred seventy-eight thousand eight hundred ninety
Scientific notation
6.9878890 × 10^7
Engineering notation
6.9878890 × 10^6
Prime Factorization
2 × 5 × 569 × 12281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69878890
Product of the distinct prime numbers
The prime factorization of 69878890 is 2 × 5 × 569 × 12281.
Since it has a total of 4 prime factors.
1 , 5 , 25 , 80 , 799 , 942 , 1395 , 6385 , 48811 , 25607 , 727776 , 490229 , 4737834 , 7100517 , 37098003 , 17637951 , 495944660 , 292800718 , 1734490052 , 3237607520
n×2
139757780
n×3
209636670
n×4
279515560
n×5
349394450
n÷2
34939445
n÷3
23292963.333333
n÷3
17469722.5
n÷5
13975778
n2
4883059267632100
n3
3.4122276142634E+23
n4
2.3844267811208E+31
n5
1.6662109675099E+39
2 √n
8359.3594252191
3 √n
411.89071236447
4 √n
91.429532565901
5 √n
37.056909728393
1 , 2 , 5 , 10 , 569 , 1138 , 2845 , 5690 , 12281 , 24562 , 61405 , 122810 , 6987889 , 13975778 , 34939445 , 69878890
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
-69878889
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 69878890 can be divided by 16 positive divisors.
The sum of these divisors (counting 69878890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001010100100010001101010
3
Ternary
11212111012211001
4
Quaternary
10022210101222
5
Quinary
120342111030
6
Senary
10533425214
8
Octal
412442152
10
Decimal
69878890
12
Duodecimal
1b49b20a
16
Hexadecimal
42a446a
20
Vigesimal
11geh4a
36
Base36
15lqwa
md5
01ff160d2ab981743184e707b54acc4c
sha1
9dcd63d3ec2400c842dde40324d0b37bf208cee5
sha256
eef8c313c4eced5f4e8b4ac0bad7e85b4e9862f8536e4a933601c03b4f2fe0a5
sha512
f32cc63d337e6f982b621f6174ad50d132c17f43d17f37e3474de215d2299f04e1435595dc361d3266f0d6f12ea674820e7df81c9d2c399eff4fb24cb91554bb
ripemd-160
dc1ef15f6223acc83bbeb1afbb77f4a58f191cfb
Diameter
139757780
Circumference
439062014.93002
Area
1.5340583122237E+16
Volume
1.4293105607128E+24
Surface area
6.1362332488946E+16
Circumference
439062014.93002
Perimeter
279515560
Area
4883059267632100
Diagonal
98823673.961578
Surface area
29298355605792600
Volume
3.4122276142634E+23
Space diagonal
121033787.85652
Perimeter
209636670
Area
2.1144266869772E+15
Altitude
60516893.928258
Surface area
2.1144266869772E+15
Volume
4.0213488083295E+22
Height
32941224.653859