138972485 is an odd 9-digits composite number following 138972484
and preceding 138972486 . In scientific notation, it is written as 1.38972485 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 109600512 positive integers (up to 138972485) that are relatively prime to 138972485.
138972485 has 8 divisors, whose sum is 139969536
The reverse of 138972485 is 584279831
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million nine hundred seventy-two thousand four hundred eighty-five
Scientific notation
1.38972485 × 10^8
Engineering notation
1.38972485 × 10^6
Prime Factorization
565 × 223 × 1103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138972485
Product of the distinct prime numbers
The prime factorization of 138972485 is 565 × 223 × 1103.
Since it has a total of 3 prime factors.
2 , 1 , 15 , 95 , 815 , 220 , 5725 , 5925 , 57019 , 19757 , 910781 , 677023 , 1385413 , 2599215 , 10114405 , 87241190 , 966073376 , 302246542 , 7856846555 , 4753754211
n×2
277944970
n×3
416917455
n×4
555889940
n×5
694862425
n÷2
69486242.5
n÷3
46324161.666667
n÷3
34743121.25
n÷5
27794497
n2
19313351587075225
n3
2.6840244637345E+24
n4
3.7300554952598E+32
n5
5.1837508136416E+40
2 √n
11788.659168879
3 √n
517.97596450841
4 √n
108.57559195731
5 √n
42.51926657452
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
-138972484
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 138972485 can be divided by 8 positive divisors.
The sum of these divisors (counting 138972485) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010010001000110101000101
3
Ternary
100200111112102002
4
Quaternary
20102020311011
5
Quinary
241034104420
6
Senary
21442355045
8
Octal
1022106505
10
Decimal
138972485
12
Duodecimal
3a65ba85
16
Hexadecimal
8488d45
20
Vigesimal
238bb45
36
Base36
2aqnut
md5
8f6fdbdbb7014143507eb0d7d6966034
sha1
624d58ea7881c43d00e0a2b4a7dbf94a1247e182
sha256
5da47b8e577612381c0bcc1a750864d9213e69d14baf8acff2d67845cb22cc0e
sha512
0ba1d774e88c577c4c3fc569bc889e5699c86363d20ae5eb14e5407ea4866e4c398f0a684eb54b86e750b38c1e2f2e4353a977124344af3a94409dcd89462ea3
ripemd-160
04e41108719dabd563ce1a85038c96998f38931b
Diameter
277944970
Circumference
873189875.85424
Area
6.0674683462152E+16
Volume
1.1242815383098E+25
Surface area
2.4269873384861E+17
Circumference
873189875.85424
Perimeter
555889940
Area
19313351587075225
Diagonal
196536773.08369
Surface area
115880109522451350
Volume
2.6840244637345E+24
Space diagonal
240707404.8741
Perimeter
416917455
Area
8.3629265533138E+15
Altitude
120353702.43705
Surface area
8.3629265533138E+15
Volume
3.1631531652955E+23
Height
65512257.694564