21453955133520

Names of 21453955133520

• Cardinal: 21453955133520 can be written as Twenty-one trillion, four hundred fifty-three billion, nine hundred fifty-five million, one hundred thirty-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.145395513352 × 10¹³

Factors of 21453955133520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1572

Divisors of 21453955133520

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 52 56 60 65 70 78 80 84 91 104 105 112 120 130 140 156 168 169 182 195 208 210 240 241 260 273 280 312 336 338 364 390 420 455 482 507 520 546 560 624 676 723 728 780 840 845 910 964 1014 1040 1092 1183 1205 1301 1352 1365 1446 1456 1560 1680 1687 1690 1820 1928 2028 2184 2366 2410 2535 2602 2704 2730 2892 3120 3133 3374 3380 3549 3615 3640 3856 3903 4056 4368 4732 4820 5061 5070 5204 5460 5784 5915 6266 6505 6748 6760 7098 7230 7280 7806 8112 8435 9107 9399 9464 9640 10122 10140 10408 10920 11568 11830 12532 13010 13496 13520 14196 14460 15612 15665 16870 16913 17745 18214 18798 18928 19280 19515 20244 20280 20816 21840 21931 23660 25064 25305 26020 26992 27321 28392 28920 31224 31330 33740 33826 35490 36428 37596 39030 40488 40560 40729 43862 45535 46995 47320 50128 50610 50739 52040 54642 56784 57840 58081 62448 62660 65793 67480 67652 70980 72856 75192 78060 80976 81458 84565 87724 91070 93990 94640 101220 101478 104080 109284 109655 116162 118391 122187 125320 131586 134960 135304 136605 141960 145712 150384 156120 162916 169130 174243 175448 182140 187980 202440 202956 203645 218568 219310 219869 232324 236782 244374 250640 253695 263172 270608 273210 283920 285103 290405 312240 313541 325832 328965 338260 348486 350896 355173 364280 375960 404880 405912 406567 407290 437136 438620 439738 464648 473564 488748 507390 526344 546420 570206 580810 591955 610935 627082 651664 657930 659607 676520 696972 710346 728560 751920 755053 811824 813134 814580 855309 871215 877240 879476 929296 940623 947128 977496 1014780 1052688 1092840 1099345 1140412 1161620 1183910 1219701 1221870 1254164 1315860 1319214 1353040 1393944 1420692 1425515 1510106 1539083 1567705 1626268 1629160 1710618 1742430 1754480 1758952 1775865 1881246 1894256 1954992 2029560 2032835 2185680 2194787 2198690 2265159 2280824 2323240 2367820 2439402 2443740 2508328 2631720 2638428 2787888 2841384 2851030 3020212 3078166 3135410 3252536 3258320 3298035 3421236 3484860 3517904 3551730 3762492 3775265 4059120 4065670 4076033 4276545 4389574 4397380 4530318 4561648 4617249 4646480 4703115 4735640 4878804 4887480 5016656 5263440 5276856 5285371 5682768 5702060 6040424 6098505 6156332 6270820 6505072 6584361 6596070 6842472 6969720 7103460 7524984 7550530 7695415 8131340 8152066 8553090 8779148 8794760 9060636 9234498 9406230 9471280 9757608 9774960 9815689 10553712 10570742 10973935 11325795 11404120 12080848 12197010 12228099 12312664 12541640 13168722 13192140 13684944 13939440 14206920 15049968 15101060 15390830 15856113 16262680 16304132 17106180 17558296 17589520 18121272 18468996 18812460 19515216 19631378 20380165 21141484 21947870 22651590 22808240 23086245 24394020 24456198 24625328 25083280 26337444 26384280 26426855 28413840 28532231 29447067 30202120 30781660 31712226 32525360 32608264 32921805 34212360 35116592 36242544 36937992 37624920 39262756 40760330 42282968 43895740 45303180 46172490 48788040 48912396 49078445 52674888 52768560 52853710 52988429 57064462 58894134 60404240 61140495 61563320 63424452 65216528 65843610 68424720 68709823 73875984 75249840 75563381 78525512 79280565 81520660 84565936 85596693 87791480 90606360 92344980 97576080 97824792 98156890 105349776 105707420 105976858 114128924 117788268 122280990 123126640 126848904 131687220 137419646 142661155 147235335 151126762 157051024 158561130 158965287 163041320 171193386 175582960 181212720 184689960 195649584 196313780 206129469 211414840 211953716 226690143 228257848 235576536 244561980 253697808 263374440 264942145 274839292 285322310 294470670 302253524 317122260 317930574 326082640 342386772 343549115 369379920 370919003 377816905 392627560 412258938 422829680 423907432 427983465 453380286 456515696 471153072 489123960 526748880 528943667 529884290 549678584 570644620 588941340 604507048 634244520 635861148 684773544 687098230 741838006 755633810 785255120 794826435 824517876 847814864 855966930 906760572 978247920 982323953 1030647345 1057887334 1059768580 1099357168 1112757009 1133450715 1141289240 1177882680 1209014096 1268489040 1271722296 1369547088 1374196460 1483676012 1511267620 1586831001 1589652870 1649035752 1711933860 1813521144 1854595015 1964647906 2061294690 2115774668 2119537160 2225514018 2266901430 2282578480 2355765360 2543444592 2644718335 2748392920 2946971859 2967352024 3022535240 3173662002 3179305740 3298071504 3423867720 3627042288 3709190030 3929295812 4122589380 4231549336 4239074320 4451028036 4533802860 4911619765 5289436670 5496785840 5563785045 5893943718 5934704048 6045070480 6347324004 6358611480 6847735440 6876267671 7418380060 7858591624 7934155005 8245178760 8463098672 8902056072 9067605720 9823239530 10578873340 11127570090 11787887436 12694648008 12717222960 12770211389 13752535342 14734859295 14836760120 15717183248 15868310010 16490357520 17804112144 18135211440 19646479060 20628803013 21157746680 22255140180 23575774872 25389296016 25540422778 27505070684 29469718590 29673520240 31736620020 34381338355 38310634167 39292958120 41257606026 42315493360 44510280360 47151549744 51080845556 55010141368 58939437180 63473240040 63851056945 68762676710 76621268334 78585916240 82515212052 89020560720 89391479723 102161691112 103144015065 110020282736 117878874360 126946480080 127702113890 137525353420 153242536668 165030424104 178782959446 191553170835 204323382224 206288030130 235757748720 255404227780 268174439169 275050706840 306485073336 330060848208 357565918892 383106341670 412576060260 446957398615 510808455560 536348878338 550101413680 612970146672 715131837784 766212683340 825152120520 893914797230 1021616911120 1072697756676 1340872195845 1430263675568 1532425366680 1650304241040 1787829594460 2145395513352 2681744391690 3064850733360 3575659188920 4290791026704 5363488783380 7151318377840 10726977566760 21453955133520
• Sum of all divisors σ(n): 82711300887936
• Sum of proper divisors (its aliquot sum) s(n): 61257345754416
• 21453955133520 is an abundant number, because the sum of its proper divisors (61257345754416) is greater than itself. Its abundance is 39803390620896

Bases of 21453955133520

• Binary: 100111000001100100011010111111111000001010000₂
• Hexadecimal: 0x1383235FF050
• Base-36: 7LRT6YMHC

Squares and roots of 21453955133520

• 21453955133520 squared (21453955133520²) is 460272190871089161027590400
• 21453955133520 cubed (21453955133520³) is 9874658932155300586781502980435870208000
• The square root of 21453955133520 is 4631841.4408871985
• The cube root of 21453955133520 is 27786.6243184939

Scales and comparisons

• 21,453,955,133,520 seconds is equal to 682,169 years, 21 weeks, 2 days, 21 hours, 32 minutes.
• To count from 1 to 21,453,955,133,520 would take you about one million, seven hundred five thousand, four hundred twenty-three 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 21453955133520 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21453955133520

• 21453955133520 backwards is 02533155935412
• 21453955133520 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21453955133520's digits is 48
• More coming soon!