21738694953990000

Names of 21738694953990000

• Cardinal: 21738694953990000 can be written as Twenty-one quadrillion, seven hundred thirty-eight trillion, six hundred ninety-four billion, nine hundred fifty-three million, nine hundred ninety thousand.

Scientific notation

• Scientific notation: 2.173869495399 × 10¹⁶

Factors of 21738694953990000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 790210797

Divisors of 21738694953990000

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 125 131 140 150 168 175 200 210 240 250 262 280 300 336 350 375 393 400 420 500 524 525 560 600 625 655 700 750 786 840 875 917 1000 1048 1050 1200 1250 1310 1400 1500 1572 1680 1750 1834 1875 1965 2000 2096 2100 2500 2620 2625 2751 2800 3000 3144 3275 3500 3668 3750 3930 4200 4375 4585 5000 5240 5250 5502 6000 6288 6550 7000 7336 7500 7860 8400 8750 9170 9825 10000 10480 10500 11004 13100 13125 13755 14000 14672 15000 15720 16375 17500 18340 19650 21000 22008 22925 26200 26250 27510 30000 31440 32750 35000 36680 39300 42000 44016 45850 49125 52400 52500 55020 65500 68775 70000 73360 78600 81875 91700 98250 105000 110040 114625 131000 137550 157200 163750 183400 196500 210000 220080 229250 245625 262000 275100 327500 343875 366800 393000 458500 491250 550200 573125 655000 687750 786000 917000 982500 1100400 1146250 1310000 1375500 1719375 1834000 1965000 2292500 2751000 3438750 3930000 4585000 5502000 6877500 9170000 13755000 27510000 790210649 1580421298 2370631947 3160842596 3951053245 4741263894 5531474543 6321685192 7902106490 9482527788 11062949086 11853159735 12643370384 15804212980 16594423629 18965055576 19755266225 22125898172 23706319470 27657372715 31608425960 33188847258 37930111152 39510532450 44251796344 47412638940 55314745430 59265798675 63216851920 66377694516 79021064900 82972118145 88503592688 94825277880 98776331125 103517595019 110629490860 118531597350 132755389032 138286863575 158042129800 165944236290 189650555760 197552662250 207035190038 221258981720 237063194700 265510778064 276573727150 296328993375 310552785057 316084259600 331888472580 395105324500 414070380076 414860590725 442517963440 474126389400 493881655625 517587975095 553147454300 592657986750 621105570114 663776945160 691434317875 724623165133 790210649000 828140760152 829721181450 948252778800 987763311250 1035175950190 1106294908600 1185315973500 1242211140228 1327553890320 1382868635750 1449246330266 1481644966875 1552763925285 1580421298000 1656281520304 1659442362900 1975526622500 2070351900380 2074302953625 2173869495399 2212589817200 2370631947000 2484422280456 2587939875475 2765737271500 2898492660532 2963289933750 3105527850570 3318884725800 3457171589375 3623115825665 3951053245000 4140703800760 4148605907250 4347738990798 4741263894000 4968844560912 5175879750950 5531474543000 5796985321064 5926579867500 6211055701140 6637769451600 6914343178750 7246231651330 7763819626425 7902106490000 8281407601520 8297211814500 8695477981596 10351759501900 10371514768125 10869347476995 11062949086000 11593970642128 11853159735000 12422111402280 12939699377375 13828686357500 14492463302660 15527639252850 16594423629000 17390955963192 18115579128325 20703519003800 20743029536250 21738694953990 23706319470000 24844222804560 25879398754750 27657372715000 28984926605320 31055278505700 33188847258000 34781911926384 36231158256650 38819098132125 41407038007600 41486059072500 43477389907980 51758797509500 54346737384975 55314745430000 57969853210640 62110557011400 64698496886875 72462316513300 77638196264250 82972118145000 86954779815960 90577895641625 103517595019000 108693474769950 124221114022800 129396993773750 144924633026600 155276392528500 165944236290000 173909559631920 181155791283250 194095490660625 207035190038000 217386949539900 258793987547500 271733686924875 289849266053200 310552785057000 362311582566500 388190981321250 434773899079800 452889478208125 517587975095000 543467373849750 621105570114000 724623165133000 776381962642500 869547798159600 905778956416250 1035175950190000 1086934747699500 1358668434624375 1449246330266000 1552763925285000 1811557912832500 2173869495399000 2717336869248750 3105527850570000 3623115825665000 4347738990798000 5434673738497500 7246231651330000 10869347476995000 21738694953990000
• Sum of all divisors σ(n): 80812681159161600
• Sum of proper divisors (its aliquot sum) s(n): 59073986205171600
• 21738694953990000 is an abundant number, because the sum of its proper divisors (59073986205171600) is greater than itself. Its abundance is 37335291251181600

Bases of 21738694953990000

• Binary: 1001101001110110011101001010110100111001111011101110000₂
• Hexadecimal: 0x4D3B3A569CF770
• Base-36: 5Y1Q2LF4UPC

Squares and roots of 21738694953990000

• 21738694953990000 squared (21738694953990000²) is 472570858302630288216920100000000
• 21738694953990000 cubed (21738694953990000³) is 10273073732786112342805700332409006199000000000000
• The square root of 21738694953990000 is 147440479.3602828733
• The cube root of 21738694953990000 is 279090.1373862243

Scales and comparisons

• 21,738,694,953,990,000 seconds is equal to 691,223,257 years, 17 weeks, 4 days, 4 hours, 20 minutes.
• To count from 1 to 21,738,694,953,990,000 would take you about two billion, seventy-three million, six hundred sixty-nine thousand, seven 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 21738694953990000 cubic inches would be around 23257.5 feet tall.

Recreational maths with 21738694953990000

• 21738694953990000 backwards is 00009935949683712
• 21738694953990000 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21738694953990000's digits is 75
• More coming soon!