121998143 is an odd 9-digits composite number following 121998142
and preceding 121998144 . In scientific notation, it is written as 1.21998143 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 121818840 positive integers (up to 121998143) that are relatively prime to 121998143.
121998143 has 4 divisors, whose sum is 122177448
The reverse of 121998143 is 341899121
Previous prime number is 683
Is Prime? no Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-one million nine hundred ninety-eight thousand one hundred forty-three
Scientific notation
1.21998143 × 10^8
Engineering notation
1.21998143 × 10^6
Prime Factorization
683 × 178621
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
121998143 Product of the distinct prime numbers
The prime factorization of 121998143 is 683 × 178621.
Since it has a total of 2 prime factors.
4 , 4 , 68 , 47 , 254 , 57 , 1297 , 923 , 10841 , 92802 , 99660 , 646419 , 5566396 , 623169 , 58493414 , 91761798 , 361473166 , 740802508 , 5266079350 , 1048184883
n×2
243996286
n×3
365994429
n×4
487992572
n×5
609990715
n÷2
60999071.5
n÷3
40666047.666667
n÷3
30499535.75
n÷5
24399628.6
n2
14883546895448449
n3
1.8157650824981E+24
n4
2.2151996818901E+32
n5
2.7025024756479E+40
2 √n11045.276954427
3 √n495.96504994586
4 √n105.09651257024
5 √n41.425775190851
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
-121998142 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 121998143 can be divided by 4 positive divisors.
The sum of these divisors (counting 121998143) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001011000101100111111
3
Ternary
22111120010222202
4
Quaternary
13101120230333
5
Quinary
222212420033
6
Senary
20034502115
8
Octal
721305477
10
Decimal
121998143
12
Duodecimal
34a3493b
16
Hexadecimal
7458b3f
20
Vigesimal
1i29f73
36
Base36
20mudb
md5
b6bbf8f2875cf07199379365f0beb4ef
sha1
d12f01d576feea7e6e73f85326672db5d37996d8
sha256
397389dedf586a6996e59ad500069ee8534e26f3b29e278016c99f4a716a5ab4
sha512
ae35efac14a9b1476c2da935150425e3a8bb64f1a9f5b551d2850cb45cbccc5e05a180e7acd954c4c24df8ead32e23c909a5a1fc2b5f983a90acb9ba58e62371
ripemd-160
f432359521e08ca87c5f37a0f32e2ec961c34f53
Diameter
243996286
Circumference
766536939.60079
Area
4.67580415861E+16
Volume
7.6058589917613E+24
Surface area
1.870321663444E+17
Circumference
766536939.60079
Perimeter
487992572
Area
14883546895448449
Diagonal
172531428.41493
Surface area
89301281372690694
Volume
1.8157650824981E+24
Space diagonal
211306982.10505
Perimeter
365994429
Area
6.4447648549377E+15
Altitude
105653491.05253
Surface area
6.4447648549377E+15
Volume
2.1398996714603E+23
Height
57510476.138311