121445870 is an even 9-digits composite number following 121445869
and preceding 121445871 . In scientific notation, it is written as 1.21445870 × 10^8.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 38223360 positive integers (up to 121445870) that are relatively prime to 121445870.
121445870 has 32 divisors, whose sum is 222228576
The reverse of 121445870 is 078544121
Previous prime number is 421
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-one million four hundred forty-five thousand eight hundred seventy
Scientific notation
1.21445870 × 10^8
Engineering notation
1.21445870 × 10^6
Prime Factorization
2 × 5 × 91 × 421 × 317
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
121445870
Product of the distinct prime numbers
The prime factorization of 121445870 is 2 × 5 × 91 × 421 × 317.
Since it has a total of 5 prime factors.
1 , 3 , 25 , 89 , 396 , 755 , 9390 , 6507 , 58116 , 73674 , 88542 , 729058 , 4097842 , 8026319 , 18038440 , 7297140 , 891591701 , 62925282 , 7990761220 , 5384091787
n×2
242891740
n×3
364337610
n×4
485783480
n×5
607229350
n÷2
60722935
n÷3
40481956.666667
n÷3
30361467.5
n÷5
24289174
n2
14749099340056900
n3
1.7912172010696E+24
n4
2.1753593134287E+32
n5
2.6418840438195E+40
2 √n
11020.248182323
3 √n
495.21552360114
4 √n
104.9773698581
5 √n
41.388201049793
1 , 2 , 5 , 10 , 91 , 182 , 317 , 421 , 455 , 634 , 842 , 910 , 1585 , 2105 , 3170 , 4210 , 28847 , 38311 , 57694 , 76622 , 133457 , 144235 , 191555 , 266914 , 288470 , 383110 , 667285 , 1334570 , 12144587 , 24289174 , 60722935 , 121445870
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
-121445869
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 121445870 can be divided by 32 positive divisors.
The sum of these divisors (counting 121445870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111001111010001110111101110
3
Ternary
22110112002102012
4
Quaternary
13033101313232
5
Quinary
222042231440
6
Senary
20015001222
8
Octal
717216756
10
Decimal
121445870
12
Duodecimal
34809212
16
Hexadecimal
73d1dee
20
Vigesimal
1hj0eda
36
Base36
20b08e
md5
43685561bcf7e9235f77edd9600d12cb
sha1
e322c9f80b346c852f22a8ece4c0790e4b39c985
sha256
ea8d0070834f7abf9035c7f6b88a81185c80a35cee588a75115cdf36c184fd86
sha512
66290b7a16d90123ac20897e83872c6007e286f435f23fd0f90886e85cea66dfff10fc76513ba160f7794010bbb90375ff852434452c70cda367a76e75cef2cc
ripemd-160
eb27682b904509d22ee61c6ec1e5d5d6e04c8109
Diameter
242891740
Circumference
763066906.00164
Area
4.6335662133789E+16
Volume
7.5030330664854E+24
Surface area
1.8534264853516E+17
Circumference
763066906.00164
Perimeter
485783480
Area
14749099340056900
Diagonal
171750396.4482
Surface area
88494596040341400
Volume
1.7912172010696E+24
Space diagonal
210350417.2094
Perimeter
364337610
Area
6.3865473557148E+15
Altitude
105175208.6047
Surface area
6.3865473557148E+15
Volume
2.1109697157572E+23
Height
57250132.1494