18389117952

Names of 18389117952

• Cardinal: 18389117952 can be written as Eighteen billion, three hundred eighty-nine million, one hundred seventeen thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 1.8389117952 × 10¹⁰

Factors of 18389117952

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1233

Divisors of 18389117952

• Number of divisors d(n): 198
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 41 48 64 72 82 96 123 128 144 164 192 246 256 288 328 369 384 492 512 576 656 738 768 984 1024 1152 1187 1312 1476 1536 1681 1968 2304 2374 2624 2952 3072 3362 3561 3936 4608 4748 5043 5248 5904 6724 7122 7872 9216 9496 10086 10496 10683 11808 13448 14244 15129 15744 18992 20172 20992 21366 23616 26896 28488 30258 31488 37984 40344 41984 42732 47232 48667 53792 56976 60516 62976 75968 80688 85464 94464 97334 107584 113952 121032 125952 146001 151936 161376 170928 188928 194668 215168 227904 242064 292002 303872 322752 341856 377856 389336 430336 438003 455808 484128 584004 607744 645504 683712 778672 860672 876006 911616 968256 1168008 1215488 1291008 1367424 1557344 1721344 1752012 1823232 1936512 1995347 2336016 2582016 2734848 3114688 3504024 3646464 3873024 3990694 4672032 5164032 5469696 5986041 6229376 7008048 7746048 7981388 9344064 10939392 11972082 12458752 14016096 15492096 15962776 17958123 18688128 23944164 24917504 28032192 31925552 35916246 37376256 47888328 49835008 56064384 63851104 71832492 74752512 95776656 112128768 127702208 143664984 149505024 191553312 224257536 255404416 287329968 383106624 448515072 510808832 574659936 766213248 1021617664 1149319872 1532426496 2043235328 2298639744 3064852992 4597279488 6129705984 9194558976 18389117952
• Sum of all divisors σ(n): 54470694564
• Sum of proper divisors (its aliquot sum) s(n): 36081576612
• 18389117952 is an abundant number, because the sum of its proper divisors (36081576612) is greater than itself. Its abundance is 17692458660

Bases of 18389117952

• Binary: 10001001000000100111010110000000000₂
• Hexadecimal: 0x44813AC00
• Base-36: 8G4EM80

Squares and roots of 18389117952

• 18389117952 squared (18389117952²) is 338159659052568674304
• 18389117952 cubed (18389117952³) is 6218457856925789920356527505408
• The square root of 18389117952 is 135606.4819689679
• The cube root of 18389117952 is 2639.4916927701

Scales and comparisons

• 18,389,117,952 seconds is equal to 584 years, 37 weeks, 2 days, 19 minutes, 12 seconds.
• To count from 1 to 18,389,117,952 would take you about one thousand, one hundred sixty-nine 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 18389117952 cubic inches would be around 220 feet tall.

Recreational maths with 18389117952

• 18389117952 backwards is 25971198381
• The number of decimal digits it has is: 11
• The sum of 18389117952's digits is 54
• More coming soon!