18988925489664

Names of 18988925489664

• Cardinal: 18988925489664 can be written as Eighteen trillion, nine hundred eighty-eight billion, nine hundred twenty-five million, four hundred eighty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.8988925489664 × 10¹³

Factors of 18988925489664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 190

Divisors of 18988925489664

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 71 78 96 101 104 128 142 156 169 192 202 208 213 256 284 303 312 338 384 404 416 426 507 512 568 606 624 676 768 808 832 852 923 1014 1136 1212 1248 1313 1352 1536 1616 1664 1704 1846 2028 2272 2424 2496 2626 2704 2769 3232 3328 3408 3692 3939 4056 4544 4848 4992 5252 5408 5538 6464 6656 6816 7171 7384 7878 8112 9088 9696 9984 10201 10504 10816 11076 11999 12928 13632 14342 14768 15756 16224 17069 18176 19392 19968 20402 21008 21513 21632 22152 23998 25856 27264 28684 29536 30603 31512 32448 34138 35997 36352 38784 40804 42016 43026 43264 44304 47996 51207 51712 54528 57368 59072 61206 63024 64896 68276 71994 77568 81608 84032 86052 86528 88608 93223 95992 102414 109056 114736 118144 122412 126048 129792 132613 136552 143988 155136 163216 168064 172104 177216 186446 191984 204828 229472 236288 244824 252096 259584 265226 273104 279669 287976 326432 336128 344208 354432 372892 383968 397839 409656 458944 472576 489648 504192 530452 546208 559338 575952 652864 672256 688416 708864 724271 745784 767936 795678 819312 917888 979296 1008384 1030301 1060904 1092416 1118676 1151904 1211899 1305728 1376832 1417728 1448542 1491568 1535872 1591356 1638624 1723969 1835776 1958592 2016768 2060602 2121808 2172813 2184832 2237352 2303808 2423798 2611456 2753664 2897084 2983136 3071744 3090903 3182712 3277248 3447938 3635697 3671552 3917184 4121204 4243616 4345626 4369664 4474704 4607616 4847596 5171907 5222912 5507328 5794168 5966272 6143488 6181806 6365424 6554496 6895876 7271394 7834368 8242408 8487232 8691252 8739328 8949408 9215232 9415523 9695192 10343814 11014656 11588336 11932544 12363612 12730848 13108992 13393913 13791752 14542788 15668736 16484816 16974464 17382504 17898816 18430464 18831046 19390384 20687628 23176672 23865088 24727224 25461696 26217984 26787826 27583504 28246569 29085576 32969632 33948928 34765008 35797632 37662092 38780768 40181739 41375256 46353344 47730176 49454448 50923392 53575652 55167008 56493138 58171152 65939264 67897856 69530016 71595264 73151371 75324184 77561536 80363478 82750512 92706688 98908896 101846784 107151304 110334016 112986276 116342304 122401799 131878528 139060032 143190528 146302742 150648368 155123072 160726956 165501024 174120869 185413376 197817792 203693568 214302608 219454113 220668032 225972552 232684608 244803598 263757056 278120064 292605484 301296736 310246144 321453912 331002048 348241738 367205397 370826752 395635584 428605216 438908226 441336064 451945104 465369216 489607196 522362607 527514112 556240128 585210968 602593472 620492288 642907824 662004096 696483476 734410794 791271168 857210432 877816452 882672128 903890208 930738432 950967823 979214392 1044725214 1112480256 1170421936 1205186944 1285815648 1324008192 1392966952 1468821588 1582542336 1714420864 1755632904 1807780416 1861476864 1901935646 1958428784 2089450428 2340843872 2410373888 2571631296 2648016384 2785933904 2852903469 2937643176 3428841728 3511265808 3615560832 3803871292 3916857568 4178900856 4681687744 4820747776 5143262592 5571867808 5705806938 5875286352 6857683456 7022531616 7231121664 7607742584 7833715136 8357801712 9363375488 10286525184 11143735616 11411613876 11750572704 12362581699 14045063232 14462243328 15215485168 15667430272 16715603424 18726750976 20573050368 22287471232 22823227752 23501145408 24725163398 28090126464 30430970336 31334860544 33431206848 37087745097 37453501952 44574942464 45646455504 47002290816 49450326796 56180252928 60861940672 62669721088 66862413696 74175490194 89149884928 91292911008 94004581632 98900653592 112360505856 121723881344 133724827392 148350980388 182585822016 188009163264 197801307184 243447762688 267449654784 296701960776 365171644032 395602614368 486895525376 593403921552 730343288064 791205228736 1186807843104 1460686576128 1582410457472 2373615686208 3164820914944 4747231372416 6329641829888 9494462744832 18988925489664
• Sum of all divisors σ(n): 56105405059968
• Sum of proper divisors (its aliquot sum) s(n): 37116479570304
• 18988925489664 is an abundant number, because the sum of its proper divisors (37116479570304) is greater than itself. Its abundance is 18127554080640

Bases of 18988925489664

• Binary: 100010100010100110100001010001001001000000000₂
• Hexadecimal: 0x114534289200
• Base-36: 6QBE3YGAO

Squares and roots of 18988925489664

• 18988925489664 squared (18988925489664²) is 360579291252011182170832896
• 18988925489664 cubed (18988925489664³) is 6847013294700294509028086556175519186944
• The square root of 18988925489664 is 4357628.4249192243
• The cube root of 18988925489664 is 26678.8310512545

Scales and comparisons

• 18,988,925,489,664 seconds is equal to 603,789 years, 4 weeks, 6 days, 4 hours, 54 minutes, 24 seconds.
• To count from 1 to 18,988,925,489,664 would take you about one million, five hundred nine thousand, four hundred seventy-two 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 18988925489664 cubic inches would be around 2223.2 feet tall.

Recreational maths with 18988925489664

• 18988925489664 backwards is 46698452988981
• The number of decimal digits it has is: 14
• The sum of 18988925489664's digits is 87
• More coming soon!