123978992 is an even 9-digits composite number following 123978991
and preceding 123978993 . In scientific notation, it is written as 1.23978992 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 10 positive divisors.
There are 61989488 positive integers (up to 123978992) that are relatively prime to 123978992.
123978992 has 10 divisors, whose sum is 240209328
The reverse of 123978992 is 299879321
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-three million nine hundred seventy-eight thousand nine hundred ninety-two
Scientific notation
1.23978992 × 10^8
Engineering notation
1.23978992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7748687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15497374
Product of the distinct prime numbers
The prime factorization of 123978992 is 2 × 2 × 2 × 2 × 7748687.
Since it has a total of 5 prime factors.
5 , 6 , 20 , 5 , 54 , 977 , 9623 , 6012 , 63810 , 52422 , 732269 , 183193 , 9277080 , 8441083 , 61173684 , 71902911 , 662446544 , 709594455 , 6084304772 , 9332227292
n×2
247957984
n×3
371936976
n×4
495915968
n×5
619894960
n÷2
61989496
n÷3
41326330.666667
n÷3
30994748
n÷5
24795798.4
n2
15370790457336064
n3
1.9056551071437E+24
n4
2.3626119928333E+32
n5
2.9291425335859E+40
2 √n
11134.585398658
3 √n
498.63493257341
4 √n
105.52054491263
5 √n
41.559433613426
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-123978991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 123978992 can be divided by 10 positive divisors.
The sum of these divisors (counting 123978992) is 1, the average is 0.1.
Base
System
Value
2
Binary
111011000111100010011110000
3
Ternary
22122021210012112
4
Quaternary
13120330103300
5
Quinary
223214311432
6
Senary
20145144452
8
Octal
730742360
10
Decimal
123978992
12
Duodecimal
3562b128
16
Hexadecimal
763c4f0
20
Vigesimal
1ieh79c
36
Base36
21tasw
md5
065fedc9a1ec81b8cd696bd9f62a24fc
sha1
21bc56526f586d923150fbb63e72ac2e9a950475
sha256
a373023413077bdc3a233e39f65bb38ea018abd0c97fc77a87efb5edc564877a
sha512
273ed96303eecb1ac4545f2c5c4152a41aa0ffb65b214d7727634058f8d3c7a53bf759750a1f1bb0e5fdc91748511e24b23235ad022e54826b110b11186f918c
ripemd-160
27468e04f4fff65f8a4b61c7a02f41e9b846ea89
Diameter
247957984
Circumference
778982980.93334
Area
4.8288762380635E+16
Volume
7.9823894465049E+24
Surface area
1.9315504952254E+17
Circumference
778982980.93334
Perimeter
495915968
Area
15370790457336064
Diagonal
175332771.93575
Surface area
92224742744016384
Volume
1.9056551071437E+24
Space diagonal
214737913.21518
Perimeter
371936976
Area
6.6557475061502E+15
Altitude
107368956.60759
Surface area
6.6557475061502E+15
Volume
2.2458360814402E+23
Height
58444257.311915