19009918 is an even 8-digits composite number following 19009917
and preceding 19009919 . In scientific notation, it is written as 1.9009918 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 8644320 positive integers (up to 19009918) that are relatively prime to 19009918.
19009918 has 32 divisors, whose sum is 31248000
The reverse of 19009918 is 81990091
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine thousand nine hundred eighteen
Scientific notation
1.9009918 × 10^7
Engineering notation
1.9009918 × 10^6
Prime Factorization
2 × 19 × 59 × 61 × 139
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19009918
Product of the distinct prime numbers
The prime factorization of 19009918 is 2 × 19 × 59 × 61 × 139.
Since it has a total of 5 prime factors.
8 , 9 , 47 , 76 , 418 , 578 , 3930 , 7598 , 60115 , 21716 , 397602 , 675697 , 9188840 , 1284581 , 70689550 , 50611072 , 647207224 , 279716476 , 2870443813 , 4831023851
n×2
38019836
n×3
57029754
n×4
76039672
n×5
95049590
n÷2
9504959
n÷3
6336639.3333333
n÷3
4752479.5
n÷5
3801983.6
n2
361376982366724
n3
6.8697468018789E+21
n4
1.3059332338448E+29
n5
2.4825683688864E+36
2 √n
4360.0364677374
3 √n
266.88658698437
4 √n
66.030572220278
5 √n
28.562488904408
1 , 2 , 19 , 38 , 59 , 61 , 118 , 122 , 139 , 278 , 1121 , 1159 , 2242 , 2318 , 2641 , 3599 , 5282 , 7198 , 8201 , 8479 , 16402 , 16958 , 68381 , 136762 , 155819 , 161101 , 311638 , 322202 , 500261 , 1000522 , 9504959 , 19009918
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
-19009917
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 19009918 can be divided by 32 positive divisors.
The sum of these divisors (counting 19009918) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000100001000101111110
3
Ternary
1022202210201001
4
Quaternary
1020201011332
5
Quinary
14331304133
6
Senary
1515240514
8
Octal
110410576
10
Decimal
19009918
12
Duodecimal
644913a
16
Hexadecimal
122117e
20
Vigesimal
5ig4fi
36
Base36
bbg5a
md5
944b936b1c6dece90f03b62b80f4e2d2
sha1
74c47ecbedd7be6f3a8438a51b6b3885ed42aefa
sha256
0f1d1d25792c74a89ea090a77e3ad11eb7f6ae1faeb23dc9550ad3dc41f22198
sha512
6ce2a83a03f2043e3b9042f881b3076b2937762d6527942f90ed0ad2b9da123f09cd47aebe80aeec9028c5f552f3d4907f60f5685b9af4ade52bb8016d297fce
ripemd-160
c50f358a17047d87910545a80734440ebdcbe1a4
Diameter
38019836
Circumference
119442837.46829
Area
1.1352992729797E+15
Volume
2.8775928113073E+22
Surface area
4.541197091919E+15
Circumference
119442837.46829
Perimeter
76039672
Area
361376982366724
Diagonal
26884083.8552
Surface area
2168261894200344
Volume
6.8697468018789E+21
Space diagonal
32926143.823718
Perimeter
57029754
Area
1.5648082353627E+14
Altitude
16463071.911859
Surface area
1.5648082353627E+14
Volume
8.0960742477386E+20
Height
8961361.2850668