21481124972544

Names of 21481124972544

• Cardinal: 21481124972544 can be written as Twenty-one trillion, four hundred eighty-one billion, one hundred twenty-four million, nine hundred seventy-two thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 2.1481124972544 × 10¹³

Factors of 21481124972544

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 460

Divisors of 21481124972544

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 79 92 96 128 138 144 158 184 192 207 237 256 276 288 316 353 368 384 414 474 512 529 552 576 632 706 711 736 768 828 948 1024 1058 1059 1104 1152 1264 1412 1422 1472 1536 1587 1656 1817 1896 2048 2116 2118 2208 2304 2528 2824 2844 2944 3072 3174 3177 3312 3634 3792 4232 4236 4416 4608 4761 5056 5451 5648 5688 5888 6144 6241 6348 6354 6624 7268 7584 8119 8464 8472 8832 9216 9522 10112 10902 11296 11376 11776 12482 12696 12708 13248 14536 15168 16238 16353 16928 16944 17664 18432 18723 19044 20224 21804 22592 22752 23552 24357 24964 25392 25416 26496 27887 29072 30336 32476 32706 33856 33888 35328 37446 38088 40448 41791 43608 45184 45504 47104 48714 49928 50784 50832 52992 55774 56169 58144 60672 64952 65412 67712 67776 70656 73071 74892 76176 80896 83582 83661 87216 90368 91008 97428 99856 101568 101664 105984 111548 112338 116288 121344 125373 129904 130824 135424 135552 141312 143543 146142 149784 152352 161792 167164 167322 174432 180736 182016 186737 194856 199712 203136 203328 211968 223096 224676 232576 242688 250746 250983 259808 261648 270848 271104 287086 292284 299568 304704 334328 334644 348864 361472 364032 373474 376119 389712 399424 406272 406656 423936 430629 446192 449352 465152 485376 501492 501966 519616 523296 541696 542208 560211 574172 584568 599136 609408 641401 668656 669288 697728 722944 728064 746948 752238 779424 798848 812544 813312 861258 892384 898704 930304 1002984 1003932 1039232 1046592 1083392 1084416 1120422 1148344 1169136 1198272 1218816 1282802 1291887 1337312 1338576 1395456 1456128 1493896 1504476 1558848 1597696 1625088 1626624 1680633 1722516 1784768 1797408 1860608 1924203 2005968 2007864 2078464 2093184 2168832 2203073 2240844 2296688 2338272 2396544 2437632 2565604 2583774 2674624 2677152 2790912 2987792 3008952 3117696 3195392 3250176 3253248 3301489 3361266 3445032 3569536 3594816 3721216 3848406 4011936 4015728 4156928 4186368 4406146 4481688 4593376 4676544 4793088 4875264 5131208 5167548 5349248 5354304 5581824 5772609 5975584 6017904 6235392 6390784 6506496 6602978 6609219 6722532 6890064 7139072 7189632 7696812 8023872 8031456 8313856 8372736 8812292 8963376 9186752 9353088 9586176 9750528 9904467 10262416 10335096 10698496 10708608 11163648 11545218 11951168 12035808 12470784 12781568 13205956 13218438 13445064 13780128 14278144 14379264 14752223 15393624 16047744 16062912 16627712 16745472 17624584 17926752 18373504 18706176 19172352 19808934 19827657 20524832 20670192 21396992 21417216 23090436 23902336 24071616 24941568 26411912 26436876 26890128 27560256 28556288 28758528 29504446 29713401 30787248 32095488 32125824 33490944 35249168 35853504 36747008 37412352 38344704 39617868 39655314 41049664 41340384 42793984 42834432 44256669 46180872 47804672 48143232 49883136 50670679 52823824 52873752 53780256 55120512 57112576 57517056 59008892 59426802 61574496 64190976 64251648 70498336 71707008 73494016 74824704 79235736 79310628 82099328 82680768 85587968 85668864 88513338 92361744 95609344 96286464 101341358 105647648 105747504 107560512 110241024 115034112 118017784 118853604 123148992 128381952 128503296 132770007 140996672 143414016 146988032 149649408 152012037 158471472 158621256 164198656 165361536 171337728 177026676 184723488 191218688 192572928 202682716 211295296 211495008 215121024 220482048 236035568 237707208 246297984 256763904 257006592 265540014 281993344 286828032 293976064 304024074 316942944 317242512 328397312 330723072 354053352 369446976 382437376 385145856 405365432 422590592 422990016 430242048 440964096 456036111 472071136 475414416 492595968 514013184 531080028 563986688 573656064 608048148 633885888 634485024 656794624 661446144 708106704 738893952 770291712 810730864 845181184 845980032 860484096 881928192 912072222 944142272 950828832 985191936 1062160056 1127973376 1147312128 1165425617 1216096296 1267771776 1268970048 1313589248 1322892288 1416213408 1477787904 1621461728 1690362368 1691960064 1720968192 1824144444 1888284544 1901657664 1970383872 2124320112 2255946752 2330851234 2432192592 2535543552 2537940096 2645784576 2832426816 2955575808 3242923456 3380724736 3383920128 3441936384 3496276851 3648288888 3776569088 3803315328 3940767744 4248640224 4511893504 4661702468 4864385184 5071087104 5075880192 5664853632 5911151616 6485846912 6761449472 6767840256 6992553702 7296577776 7553138176 7606630656 8497280448 9323404936 9728770368 10142174208 10151760384 10488830553 11329707264 11822303232 12971693824 13535680512 13985107404 14593155552 15106276352 15213261312 16994560896 18646809872 19457540736 20284348416 20303520768 20977661106 22659414528 25943387648 27970214808 29186311104 30212552704 30426522624 33989121792 37293619744 38915081472 40607041536 41955322212 45318829056 51886775296 55940429616 58372622208 60853045248 67978243584 74587239488 77830162944 83910644424 90637658112 103773550592 111880859232 116745244416 135956487168 149174478976 155660325888 167821288848 223761718464 233490488832 271912974336 298348957952 311320651776 335642577696 447523436928 466980977664 596697915904 671285155392 895046873856 933961955328 1193395831808 1342570310784 1790093747712 2386791663616 2685140621568 3580187495424 5370281243136 7160374990848 10740562486272 21481124972544
• Sum of all divisors σ(n): 65873606632470
• Sum of proper divisors (its aliquot sum) s(n): 44392481659926
• 21481124972544 is an abundant number, because the sum of its proper divisors (44392481659926) is greater than itself. Its abundance is 22911356687382

Bases of 21481124972544

• Binary: 100111000100101110110110100101100100000000000₂
• Hexadecimal: 0x138976D2C800
• Base-36: 7M4AJ6KG0

Squares and roots of 21481124972544

• 21481124972544 squared (21481124972544²) is 461438730086053464753831936
• 21481124972544 cubed (21481124972544³) is 9912223028150513459817474117926790365184
• The square root of 21481124972544 is 4634773.4542849017
• The cube root of 21481124972544 is 27798.3492681929

Scales and comparisons

• 21,481,124,972,544 seconds is equal to 683,033 years, 17 weeks, 15 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,481,124,972,544 would take you about one million, seven hundred seven thousand, five hundred eighty-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 21481124972544 cubic inches would be around 2316.5 feet tall.

Recreational maths with 21481124972544

• 21481124972544 backwards is 44527942118412
• The number of decimal digits it has is: 14
• The sum of 21481124972544's digits is 54
• More coming soon!