18948193992

Names of 18948193992

• Cardinal: 18948193992 can be written as Eighteen billion, nine hundred forty-eight million, one hundred ninety-three thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8948193992 × 10¹⁰

Factors of 18948193992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8055

Divisors of 18948193992

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 19 21 24 26 28 36 38 39 42 52 56 57 63 72 76 78 84 91 104 114 117 126 133 152 156 168 171 182 228 234 247 252 266 273 312 342 361 364 399 456 468 494 504 532 546 684 722 728 741 798 819 936 988 1064 1083 1092 1197 1368 1444 1482 1596 1638 1729 1976 2166 2184 2223 2394 2527 2888 2964 3192 3249 3276 3458 4332 4446 4693 4788 5054 5187 5928 6498 6552 6916 7581 8011 8664 8892 9386 9576 10108 10374 12996 13832 14079 15162 15561 16022 17784 18772 20216 20748 22743 24033 25992 28158 30324 31122 32044 32851 37544 41496 42237 45486 48066 56077 56316 60648 62244 64088 65702 72099 84474 90972 96132 98553 104143 112154 112632 124488 131404 144198 152209 168231 168948 181944 192264 197106 208286 224308 262808 288396 295659 304418 312429 336462 337896 394212 416572 448616 456627 504693 576792 591318 608836 624858 672924 729001 788424 833144 913254 937287 1009386 1065463 1182636 1217672 1249716 1345848 1369881 1458002 1826508 1874574 1978717 2018772 2130926 2187003 2365272 2499432 2739762 2891971 2916004 3196389 3653016 3749148 3957434 4037544 4261852 4374006 5479524 5783942 5832008 5936151 6392778 6561009 7498296 7914868 8523704 8675913 8748012 9589167 10959048 11567884 11872302 12785556 13122018 13851019 15829736 17351826 17496024 17808453 19178334 20243797 23135768 23744604 25571112 26027739 26244036 27702038 34703652 35616906 37595623 38356668 40487594 41553057 47489208 52055478 52488072 55404076 60731391 69407304 71233812 75191246 76713336 80975188 83106114 104110956 110808152 112786869 121462782 124659171 142467624 150382492 161950376 166212228 182194173 208221912 225573738 242925564 249318342 263169361 300764984 332424456 338360607 364388346 451147476 485851128 498636684 526338722 676721214 728776692 789508083 902294952 997273368 1052677444 1353442428 1457553384 1579016166 2105354888 2368524249 2706884856 3158032332 4737048498 6316064664 9474096996 18948193992
• Sum of all divisors σ(n): 66668172480
• Sum of proper divisors (its aliquot sum) s(n): 47719978488
• 18948193992 is an abundant number, because the sum of its proper divisors (47719978488) is greater than itself. Its abundance is 28771784496

Bases of 18948193992

• Binary: 10001101001011001100111111011001000₂
• Hexadecimal: 0x469667EC8
• Base-36: 8PD9K20

Squares and roots of 18948193992

• 18948193992 squared (18948193992²) is 359034055558464896064
• 18948193992 cubed (18948193992³) is 6803046934456298748342789247488
• The square root of 18948193992 is 137652.4391066139
• The cube root of 18948193992 is 2665.9741913475

Scales and comparisons

• 18,948,193,992 seconds is equal to 602 years, 25 weeks, 4 days, 19 hours, 13 minutes, 12 seconds.
• To count from 1 to 18,948,193,992 would take you about one thousand, two hundred four 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 18948193992 cubic inches would be around 222.2 feet tall.

Recreational maths with 18948193992

• 18948193992 backwards is 29939184981
• 18948193992 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18948193992's digits is 63
• More coming soon!