18990162256

Names of 18990162256

• Cardinal: 18990162256 can be written as Eighteen billion, nine hundred ninety million, one hundred sixty-two thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 1.8990162256 × 10¹⁰

Factors of 18990162256

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1330

Divisors of 18990162256

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 13 16 17 19 26 34 38 52 68 76 104 136 152 169 208 221 247 272 289 304 323 338 442 494 578 646 676 884 988 1156 1279 1292 1352 1768 1976 2312 2558 2584 2704 2873 3211 3536 3757 3952 4199 4624 5116 5168 5491 5746 6422 7514 8398 10232 10982 11492 12844 15028 16627 16796 20464 21743 21964 22984 24301 25688 30056 33254 33592 43486 43928 45968 48602 48841 51376 54587 60112 66508 67184 71383 86972 87856 97204 97682 109174 133016 142766 173944 194408 195364 216151 218348 266032 282659 285532 315913 347888 369631 388816 390728 413117 432302 436696 565318 571064 631826 739262 781456 826234 864604 873392 927979 1130636 1142128 1263652 1478524 1652468 1729208 1855958 2261272 2527304 2957048 3304936 3458416 3674567 3711916 4106869 4522544 4805203 5054608 5370521 5914096 6609872 7022989 7349134 7423832 8213738 9610406 10741042 14045978 14698268 14847664 16427476 19220812 21482084 28091956 29396536 32854952 38441624 42964168 56183912 58793072 62467639 65709904 69816773 76883248 85928336 91298857 112367824 124935278 139633546 182597714 249870556 279267092 365195428 499741112 558534184 730390856 999482224 1117068368 1186885141 1460781712 2373770282 4747540564 9495081128 18990162256
• Sum of all divisors σ(n): 44585241600
• Sum of proper divisors (its aliquot sum) s(n): 25595079344
• 18990162256 is an abundant number, because the sum of its proper divisors (25595079344) is greater than itself. Its abundance is 6604917088

Bases of 18990162256

• Binary: 10001101011111001101110000101010000₂
• Hexadecimal: 0x46BE6E150
• Base-36: 8Q292Z4

Squares and roots of 18990162256

• 18990162256 squared (18990162256²) is 360626262509207009536
• 18990162256 cubed (18990162256³) is 6848351238824690804981179273216
• The square root of 18990162256 is 137804.7976523313
• The cube root of 18990162256 is 2667.9410244355

Scales and comparisons

• 18,990,162,256 seconds is equal to 603 years, 43 weeks, 13 hours, 4 minutes, 16 seconds.
• To count from 1 to 18,990,162,256 would take you about one thousand, two hundred seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18990162256 cubic inches would be around 222.3 feet tall.

Recreational maths with 18990162256

• 18990162256 backwards is 65226109981
• The number of decimal digits it has is: 11
• The sum of 18990162256's digits is 49
• More coming soon!