21507873699900

Names of 21507873699900

• Cardinal: 21507873699900 can be written as Twenty-one trillion, five hundred seven billion, eight hundred seventy-three million, six hundred ninety-nine thousand, nine hundred.

Scientific notation

• Scientific notation: 2.15078736999 × 10¹³

Factors of 21507873699900

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1724

Divisors of 21507873699900

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 43 50 60 70 75 84 86 97 100 105 129 140 150 172 175 194 210 215 258 291 300 301 350 388 420 430 485 516 525 582 602 645 679 700 860 903 970 1050 1075 1164 1204 1290 1358 1455 1505 1567 1806 1940 2037 2100 2150 2425 2580 2716 2910 3010 3134 3225 3395 3612 4074 4171 4300 4515 4701 4850 5820 6020 6268 6450 6790 7275 7525 7835 8148 8342 9030 9402 9700 10185 10969 12513 12900 13580 14550 15050 15670 16684 16975 18060 18804 20370 20855 21938 22575 23505 25026 29100 29197 30100 31340 32907 33950 39175 40740 41710 43876 45150 47010 50052 50925 54845 58394 62565 65814 67381 67900 78350 83420 87591 90300 94020 101850 104275 109690 116788 117525 125130 131628 134762 145985 151999 156700 164535 175182 202143 203700 208550 219380 235050 250260 269524 274225 291970 303998 312825 329070 336905 350364 404286 417100 437955 455997 470100 471667 548450 583940 607996 625650 658140 673810 729925 759995 808572 822675 875910 911994 943334 1010715 1063993 1096900 1251300 1347620 1415001 1459850 1519990 1645350 1684525 1751820 1823988 1886668 2021430 2127986 2189775 2279985 2358335 2455489 2830002 2919700 3039980 3191979 3290700 3369050 3799975 4042860 4255972 4379550 4559970 4716670 4910978 5053575 5319965 5660004 6383958 6535957 6738100 7075005 7366467 7599950 8759100 9119940 9433340 9821956 10107150 10639930 11399925 11791675 12277445 12767916 13071914 14150010 14732934 15199900 15959895 17188423 19607871 20214300 21279860 22799850 23583350 24554890 26143828 26599825 28300020 29465868 31919790 32679785 34376846 35375025 36832335 39215742 45599700 45751699 47166700 49109780 51565269 53199650 61387225 63839580 65359570 68753692 70750050 73664670 78431484 79799475 85942115 91503398 98039355 103130538 105586027 106399300 122774450 130719140 137255097 141500100 147329340 159598950 163398925 171884230 183006796 184161675 196078710 206261076 211172054 228758495 238182433 245548900 257826345 274510194 316758081 319197900 326797850 343768460 368323350 392157420 422344108 429710575 457516990 476364866 490196775 515652690 527930135 549020388 633516162 653595700 686275485 714547299 736646700 739102189 859421150 915033980 952729732 980393550 1031305380 1055860270 1143792475 1190912165 1267032324 1289131725 1372550970 1429094598 1478204378 1583790405 1667277031 1718842300 1960787100 2111720540 2217306567 2287584950 2381824330 2578263450 2639650675 2745101940 2858189196 2956408756 3167580810 3334554062 3431377425 3572736495 3695510945 4434613134 4575169900 4763648660 5001831093 5156526900 5279301350 5954560825 6335161620 6669108124 6862754850 7145472990 7391021890 7918952025 8336385155 8869226268 10003662186 10241844619 10558602700 11086532835 11909121650 13725509700 14290945980 14782043780 15837904050 16672770310 17863682475 18477554725 20007324372 20483689238 22173065670 23818243300 25009155465 30725533857 31675808100 33345540620 35727364950 36955109450 40967378476 41681925775 44346131340 50018310930 51209223095 55432664175 61451067714 71454729900 71692912333 73910218900 83363851550 100036621860 102418446190 110865328350 122902135428 125045777325 143385824666 153627669285 166727703100 204836892380 215078736999 221730656700 250091554650 256046115475 286771649332 307255338570 358464561665 430157473998 500183109300 512092230950 614510677140 716929123330 768138346425 860314947996 1024184461900 1075393684995 1433858246660 1536276692850 1792322808325 2150787369990 3072553385700 3584645616650 4301574739980 5376968424975 7169291233300 10753936849950 21507873699900
• Sum of all divisors σ(n): 73570498020096
• Sum of proper divisors (its aliquot sum) s(n): 52062624320196
• 21507873699900 is an abundant number, because the sum of its proper divisors (52062624320196) is greater than itself. Its abundance is 30554750620296

Bases of 21507873699900

• Binary: 100111000111110110001001010111111100000111100₂
• Hexadecimal: 0x138FB12BF83C
• Base-36: 7MGKWOMKC

Squares and roots of 21507873699900

• 21507873699900 squared (21507873699900²) is 462588631090850115260010000
• 21507873699900 cubed (21507873699900³) is 9949297852511638641533652729210999000000
• The square root of 21507873699900 is 4637658.2129238459
• The cube root of 21507873699900 is 27809.8828361277

Scales and comparisons

• 21,507,873,699,900 seconds is equal to 683,883 years, 44 weeks, 3 days, 9 hours, 5 minutes.
• To count from 1 to 21,507,873,699,900 would take you about one million, seven hundred nine thousand, seven hundred 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 21507873699900 cubic inches would be around 2317.5 feet tall.

Recreational maths with 21507873699900

• 21507873699900 backwards is 00999637870512
• The number of decimal digits it has is: 14
• The sum of 21507873699900's digits is 66
• More coming soon!