102912789 is an odd 9-digits composite number following 102912788
and preceding 102912790 . In scientific notation, it is written as 1.02912789 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 58807224 positive integers (up to 102912789) that are relatively prime to 102912789.
102912789 has 8 divisors, whose sum is 123215488
The reverse of 102912789 is 987219201
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred two million nine hundred twelve thousand seven hundred eighty-nine
Scientific notation
1.02912789 × 10^8
Engineering notation
1.02912789 × 10^6
Prime Factorization
21 × 7 × 700087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
102912789
Product of the distinct prime numbers
The prime factorization of 102912789 is 21 × 7 × 700087.
Since it has a total of 3 prime factors.
6 , 9 , 14 , 54 , 319 , 310 , 1765 , 1419 , 21683 , 61489 , 675478 , 942688 , 403849 , 9359202 , 40382942 , 15610532 , 45985979 , 790412158 , 1987158364 , 5781302185
n×2
205825578
n×3
308738367
n×4
411651156
n×5
514563945
n÷2
51456394.5
n÷3
34304263
n÷3
25728197.25
n÷5
20582557.8
n2
10591042139758521
n3
1.0899536850191E+24
n4
1.1217017360614E+32
n5
1.1543745408422E+40
2 √n
10144.594077636
3 √n
468.62247780885
4 √n
100.72037568256
5 √n
40.039981634142
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
-102912788
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 102912789 can be divided by 8 positive divisors.
The sum of these divisors (counting 102912789) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001000100101001100010101
3
Ternary
21011122111210210
4
Quaternary
12020211030111
5
Quinary
202321202124
6
Senary
14113440033
8
Octal
610451425
10
Decimal
102912789
12
Duodecimal
2a570019
16
Hexadecimal
6225315
20
Vigesimal
1c341j9
36
Base36
1p9s0l
md5
54914aa7b9da0bb527319949b65916b5
sha1
1bc8afb818f7ff652d2713dd0af5a33f1aa7a6f9
sha256
41acddb2a81a76e47232ad5b08dd68f5ff9fb2e76c065a23fae584ea2d531597
sha512
7fc28a64e44b47cfce0eec45c8f3d0e858cd54c22f19032612c1a0ca519b75cd7f66feeaf7265790bcb4b54da5d5282d3603f4812687f744f792cd586712f6f2
ripemd-160
60be6239e767a23497430cb401fc03ea914e000c
Diameter
205825578
Circumference
646620123.76567
Area
3.3272740180125E+16
Volume
4.5655873194787E+24
Surface area
1.330909607205E+17
Circumference
646620123.76567
Perimeter
411651156
Area
10591042139758521
Diagonal
145540661.94544
Surface area
63546252838551126
Volume
1.0899536850191E+24
Space diagonal
178250179.29662
Perimeter
308738367
Area
4.5860557727912E+15
Altitude
89125089.648308
Surface area
4.5860557727912E+15
Volume
1.2845227364271E+23
Height
48513553.981814