21205477048320

Names of 21205477048320

• Cardinal: 21205477048320 can be written as Twenty-one trillion, two hundred five billion, four hundred seventy-seven million, forty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.120547704832 × 10¹³

Factors of 21205477048320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 214

Divisors of 21205477048320

• Number of divisors d(n): 810
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 64 72 80 90 93 96 120 124 128 144 155 160 173 180 186 192 240 248 256 279 288 310 320 346 360 372 384 465 480 496 512 519 558 576 620 640 692 720 744 768 865 930 960 961 992 1024 1038 1116 1152 1240 1280 1384 1395 1440 1488 1536 1557 1730 1860 1920 1922 1984 2048 2076 2232 2304 2480 2560 2595 2768 2790 2880 2883 2976 3072 3114 3460 3720 3840 3844 3968 4096 4152 4464 4608 4805 4960 5120 5190 5363 5536 5580 5760 5766 5952 6144 6228 6920 7440 7680 7688 7785 7936 8192 8304 8649 8928 9216 9610 9920 10240 10380 10726 11072 11160 11520 11532 11904 12288 12456 13840 14415 14880 15360 15376 15570 15872 16089 16384 16608 17298 17856 18432 19220 19840 20480 20760 21452 22144 22320 23040 23064 23808 24576 24912 26815 27680 28830 29760 29929 30720 30752 31140 31744 32178 33216 34596 35712 36864 38440 39680 40960 41520 42904 43245 44288 44640 46080 46128 47616 48267 49152 49824 53630 55360 57660 59520 59858 61440 61504 62280 63488 64356 66432 69192 71424 73728 76880 79360 80445 81920 83040 85808 86490 88576 89280 89787 92160 92256 95232 96534 99648 107260 110720 115320 119040 119716 122880 123008 124560 126976 128712 132864 138384 142848 147456 149645 153760 158720 160890 166080 166253 171616 172980 177152 178560 179574 184320 184512 190464 193068 199296 214520 221440 230640 238080 239432 241335 245760 246016 249120 253952 257424 265728 269361 276768 285696 299290 307520 317440 321780 332160 332506 343232 345960 354304 357120 359148 368640 369024 380928 386136 398592 429040 442880 448935 461280 476160 478864 482670 492032 498240 498759 507904 514848 531456 538722 553536 571392 598580 615040 634880 643560 664320 665012 686464 691920 708608 714240 718296 737280 738048 761856 772272 797184 831265 858080 885760 897870 922560 927799 952320 957728 965340 984064 996480 997518 1029696 1062912 1077444 1107072 1142784 1197160 1230080 1269760 1287120 1328640 1330024 1346805 1372928 1383840 1417216 1428480 1436592 1476096 1496277 1523712 1544544 1594368 1662530 1716160 1771520 1795740 1845120 1855598 1904640 1915456 1930680 1968128 1992960 1995036 2059392 2125824 2154888 2214144 2285568 2394320 2460160 2493795 2539520 2574240 2657280 2660048 2693610 2745856 2767680 2783397 2834432 2856960 2873184 2952192 2992554 3089088 3188736 3325060 3432320 3543040 3591480 3690240 3711196 3809280 3830912 3861360 3936256 3985920 3990072 4118784 4251648 4309776 4428288 4571136 4638995 4788640 4920320 4987590 5148480 5314560 5320096 5387220 5491712 5535360 5566794 5713920 5746368 5904384 5985108 6178176 6377472 6650120 6864640 7086080 7182960 7380480 7422392 7481385 7618560 7661824 7722720 7872512 7971840 7980144 8237568 8350191 8503296 8619552 8856576 9277990 9577280 9840640 9975180 10296960 10629120 10640192 10774440 10983424 11070720 11133588 11427840 11492736 11808768 11970216 12356352 12754944 13300240 13729280 13916985 14172160 14365920 14760960 14844784 14962770 15323648 15445440 15745024 15943680 15960288 16475136 16700382 17239104 17713152 18555980 19154560 19681280 19950360 20593920 21258240 21280384 21548880 21966848 22141440 22267176 22855680 22985472 23617536 23940432 24712704 25509888 26600480 27458560 27833970 28731840 28761769 29521920 29689568 29925540 30647296 30890880 31887360 31920576 32950272 33400764 34478208 35426304 37111960 38309120 39362560 39900720 41187840 41750955 42516480 42560768 43097760 43933696 44282880 44534352 45970944 47235072 47880864 49425408 53200960 54917120 55667940 57463680 57523538 59043840 59379136 59851080 61294592 61781760 63774720 63841152 65900544 66801528 68956416 70852608 74223920 76618240 78725120 79801440 82375680 83501910 85121536 86195520 86285307 87867392 88565760 89068704 91941888 95761728 98850816 106401920 109834240 111335880 114927360 115047076 118087680 118758272 119702160 122589184 123563520 127549440 127682304 131801088 133603056 137912832 141705216 143808845 148447840 153236480 159602880 164751360 167003820 170243072 172391040 172570614 177131520 178137408 183883776 191523456 197701632 212803840 219668480 222671760 229854720 230094152 236175360 237516544 239404320 245178368 247127040 255364608 258855921 263602176 267206112 275825664 287617690 296895680 306472960 319205760 329502720 334007640 340486144 344782080 345141228 354263040 356274816 367767552 383046912 395403264 425607680 431426535 439336960 445343520 459709440 460188304 475033088 478808640 490356736 494254080 510729216 517711842 534412224 551651328 575235380 593791360 612945920 638411520 659005440 668015280 680972288 689564160 690282456 708526080 712549632 735535104 766093824 790806528 851215360 862853070 890687040 919418880 920376608 950066176 957617280 988508160 1021458432 1035423684 1068824448 1103302656 1150470760 1187582720 1225891840 1276823040 1294279605 1318010880 1336030560 1361944576 1379128320 1380564912 1425099264 1471070208 1532187648 1702430720 1725706140 1781374080 1838837760 1840753216 1900132352 1915234560 1977016320 2042916864 2070847368 2137648896 2206605312 2300941520 2375165440 2451783680 2553646080 2588559210 2672061120 2723889152 2758256640 2761129824 2850198528 3064375296 3404861440 3451412280 3562748160 3677675520 3681506432 3800264704 3830469120 3954032640 4085833728 4141694736 4275297792 4413210624 4601883040 4750330880 5107292160 5177118420 5344122240 5516513280 5522259648 5700397056 6128750592 6809722880 6902824560 7125496320 7355351040 7363012864 7600529408 7660938240 8171667456 8283389472 8550595584 9203766080 9500661760 10214584320 10354236840 10688244480 11033026560 11044519296 11400794112 12257501184 13619445760 13805649120 14250992640 14726025728 15201058816 15321876480 16566778944 17101191168 18407532160 19001323520 20429168640 20708473680 21376488960 22066053120 22089038592 22801588224 24515002368 27611298240 28501985280 29452051456 30643752960 33133557888 34202382336 36815064320 38002647040 40858337280 41416947360 42752977920 44178077184 45603176448 55222596480 57003970560 58904102912 61287505920 66267115776 68404764672 73630128640 76005294080 82833894720 85505955840 88356154368 110445192960 114007941120 117808205824 122575011840 132534231552 136809529344 147260257280 165667789440 171011911680 176712308736 220890385920 228015882240 235616411648 265068463104 294520514560 331335578880 342023823360 353424617472 441780771840 471232823296 530136926208 589041029120 662671157760 684047646720 706849234944 883561543680 1060273852416 1178082058240 1325342315520 1413698469888 1767123087360 2120547704832 2356164116480 2650684631040 3534246174720 4241095409664 5301369262080 7068492349440 10602738524160 21205477048320
• Sum of all divisors σ(n): 76399463867454
• Sum of proper divisors (its aliquot sum) s(n): 55193986819134
• 21205477048320 is an abundant number, because the sum of its proper divisors (55193986819134) is greater than itself. Its abundance is 33988509770814

Bases of 21205477048320

• Binary: 100110100100101001000111011010100000000000000₂
• Hexadecimal: 0x134948ED4000
• Base-36: 7ILNTIWW0

Squares and roots of 21205477048320

• 21205477048320 squared (21205477048320²) is 449672256846826299614822400
• 21205477048320 cubed (21205477048320³) is 9535514721831631070315872059673018368000
• The square root of 21205477048320 is 4604940.5043192471
• The cube root of 21205477048320 is 27678.9332922261

Scales and comparisons

• 21,205,477,048,320 seconds is equal to 674,268 years, 30 weeks, 3 hours, 12 minutes.
• To count from 1 to 21,205,477,048,320 would take you about one million, six hundred eighty-five thousand, six hundred seventy-one 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 21205477048320 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21205477048320

• 21205477048320 backwards is 02384077450212
• 21205477048320 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21205477048320's digits is 45
• More coming soon!