21349790909440

Names of 21349790909440

• Cardinal: 21349790909440 can be written as Twenty-one trillion, three hundred forty-nine billion, seven hundred ninety million, nine hundred nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.134979090944 × 10¹³

Factors of 21349790909440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 686

Divisors of 21349790909440

• Number of divisors d(n): 660
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 49 56 64 70 76 80 95 98 112 128 133 140 152 160 190 196 224 245 256 266 280 304 320 361 380 392 448 490 512 532 560 608 640 653 665 722 760 784 896 931 980 1024 1064 1120 1216 1280 1306 1330 1444 1520 1568 1792 1805 1862 1960 2128 2240 2432 2527 2560 2612 2660 2888 3040 3136 3265 3584 3610 3724 3920 4256 4480 4571 4655 4864 5054 5120 5224 5320 5776 6080 6272 6530 6859 7168 7220 7448 7840 8512 8960 9142 9310 9728 10108 10448 10640 11552 12160 12407 12544 12635 13060 13718 14440 14896 15680 17024 17689 17920 18284 18620 19456 20216 20896 21280 22855 23104 24320 24814 25088 25270 26120 27436 28880 29792 31360 31997 34048 34295 35378 35840 36568 37240 40432 41792 42560 45710 46208 48013 48640 49628 50176 50540 52240 54872 57760 59584 62035 62720 63994 68096 68590 70756 73136 74480 80864 83584 85120 86849 88445 91420 92416 96026 97280 99256 101080 104480 109744 115520 119168 124070 125440 127988 130321 136192 137180 141512 146272 148960 159985 161728 167168 170240 173698 176890 182840 184832 192052 198512 202160 208960 219488 231040 235733 238336 240065 248140 250880 255976 260642 274360 283024 292544 297920 319970 323456 334336 336091 340480 347396 353780 365680 369664 384104 397024 404320 417920 434245 438976 462080 471466 476672 480130 496280 511952 521284 548720 566048 585088 595840 607943 639940 646912 651605 668672 672182 680960 694792 707560 731360 768208 794048 808640 835840 868490 877952 912247 924160 942932 953344 960260 992560 1023904 1042568 1097440 1132096 1170176 1178665 1191680 1215886 1279880 1293824 1303210 1344364 1389584 1415120 1462720 1536416 1588096 1617280 1650131 1671680 1680455 1736980 1755904 1824494 1848320 1885864 1920520 1985120 2047808 2085136 2194880 2264192 2340352 2357330 2383360 2431772 2559760 2587648 2606420 2688728 2779168 2830240 2925440 3039715 3072832 3176192 3234560 3300262 3343360 3360910 3473960 3511808 3648988 3771728 3841040 3970240 4095616 4170272 4389760 4478927 4528384 4561235 4680704 4714660 4766720 4863544 5119520 5212840 5377456 5558336 5660480 5850880 6079430 6145664 6352384 6385729 6469120 6600524 6721820 6947920 7023616 7297976 7543456 7682080 7940480 8191232 8250655 8340544 8779520 8957854 9056768 9122470 9429320 9727088 10239040 10425680 10754912 11116672 11320960 11550917 11701760 12158860 12291328 12704768 12771458 12938240 13201048 13443640 13895840 14595952 15086912 15364160 15880960 16382464 16501310 16681088 17559040 17915708 18113536 18244940 18858640 19454176 20478080 20851360 21509824 22233344 22394635 22641920 23101834 23403520 24317720 24582656 25542916 26402096 26887280 27791680 29191904 30173824 30728320 31352489 31761920 31928645 32764928 33002620 33362176 35118080 35831416 36489880 37717280 38908352 40956160 41702720 43019648 44466688 44789270 45283840 46203668 48635440 49165312 51085832 52804192 53774560 55583360 57754585 58383808 60347648 61456640 62704978 63523840 63857290 66005240 66724352 71662832 72979760 75434560 77816704 81912320 83405440 85099613 86039296 88933376 89578540 90567680 92407336 97270880 102171664 105608384 107549120 111166720 115509170 116767616 120695296 122913280 125409956 127714580 132010480 133448704 143325664 145959520 150869120 155633408 156762445 163824640 166810880 170199226 172078592 179157080 184814672 194541760 204343328 211216768 215098240 219467423 222333440 231018340 233535232 241390592 245826560 250819912 255429160 264020960 286651328 291919040 301738240 311266816 313524890 333621760 340398452 344157184 358314160 369629344 389083520 408686656 422433536 425498065 430196480 438934846 444666880 462036680 467070464 501639824 510858320 528041920 573302656 583838080 595697291 603476480 622533632 627049780 667243520 680796904 716628320 739258688 778167040 817373312 844867072 850996130 860392960 877869692 924073360 934140928 1003279648 1021716640 1056083840 1097337115 1146605312 1167676160 1191394582 1206952960 1254099560 1361593808 1433256640 1478517376 1556334080 1634746624 1689734144 1701992260 1720785920 1755739384 1848146720 2006559296 2043433280 2112167680 2194674230 2293210624 2335352320 2382789164 2508199120 2723187616 2866513280 2957034752 2978486455 3112668160 3269493248 3403984520 3511478768 3696293440 4013118592 4086866560 4169881037 4224335360 4389348460 4586421248 4670704640 4765578328 5016398240 5446375232 5733026560 5914069504 5956972910 6538986496 6807969040 7022957536 7392586880 8026237184 8173733120 8339762074 8448670720 8778696920 9531156656 10032796480 10892750464 11466053120 11828139008 11913945820 13615938080 14045915072 14785173760 16052474368 16347466240 16679524148 17557393840 19062313312 20065592960 20849405185 21785500928 22932106240 23827891640 27231876160 28091830144 29570347520 32104948736 32694932480 33359048296 35114787680 38124626624 40131185920 41698810370 43571001856 47655783280 54463752320 56183660288 59140695040 66718096592 70229575360 76249253248 80262371840 83397620740 87142003712 95311566560 108927504640 112367320576 133436193184 140459150720 152498506496 160524743680 166795241480 190623133120 217855009280 224734641152 266872386368 280918301440 304997012992 333590482960 381246266240 435710018560 533744772736 561836602880 609994025984 667180965920 762492532480 1067489545472 1123673205760 1334361931840 1524985064960 2134979090944 2668723863680 3049970129920 4269958181888 5337447727360 10674895454720 21349790909440
• Sum of all divisors σ(n): 62982083202156
• Sum of proper divisors (its aliquot sum) s(n): 41632292292716
• 21349790909440 is an abundant number, because the sum of its proper divisors (41632292292716) is greater than itself. Its abundance is 20282501383276

Bases of 21349790909440

• Binary: 100110110101011100010101101000000010000000000₂
• Hexadecimal: 0x136AE2B40400
• Base-36: 7KFYI9SSG

Squares and roots of 21349790909440

• 21349790909440 squared (21349790909440²) is 455813571876806862281113600
• 21349790909440 cubed (21349790909440³) is 9731524453254827187903929159079952384000
• The square root of 21349790909440 is 4620583.3949231995
• The cube root of 21349790909440 is 27741.5810445585

Scales and comparisons

• 21,349,790,909,440 seconds is equal to 678,857 years, 16 weeks, 1 day, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 21,349,790,909,440 would take you about one million, six hundred ninety-seven thousand, one hundred forty-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 21349790909440 cubic inches would be around 2311.8 feet tall.

Recreational maths with 21349790909440

• 21349790909440 backwards is 04490909794312
• The number of decimal digits it has is: 14
• The sum of 21349790909440's digits is 61
• More coming soon!