21494041515520

Names of 21494041515520

• Cardinal: 21494041515520 can be written as Twenty-one trillion, four hundred ninety-four billion, forty-one million, five hundred fifteen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.149404151552 × 10¹³

Factors of 21494041515520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 222

Divisors of 21494041515520

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 32 35 37 40 49 56 61 62 64 70 74 79 80 98 112 122 124 128 140 148 155 158 160 185 196 217 224 244 245 248 256 259 280 296 305 310 316 320 370 392 395 427 434 448 488 490 496 512 518 553 560 592 610 620 632 640 740 784 790 854 868 896 961 976 980 992 1036 1085 1106 1120 1147 1184 1220 1240 1264 1280 1295 1480 1519 1568 1580 1708 1736 1792 1813 1891 1922 1952 1960 1984 2072 2135 2170 2212 2240 2257 2294 2368 2440 2449 2480 2528 2560 2590 2765 2923 2960 2989 3038 3136 3160 3416 3472 3584 3626 3782 3844 3871 3904 3920 3968 4144 4270 4340 4424 4480 4514 4588 4736 4805 4819 4880 4898 4960 5056 5180 5530 5735 5846 5920 5978 6076 6272 6320 6727 6832 6944 7252 7564 7595 7688 7742 7808 7840 7936 8029 8288 8540 8680 8848 8960 9028 9065 9176 9455 9472 9610 9638 9760 9796 9920 10112 10360 11060 11285 11470 11692 11840 11956 12152 12245 12544 12640 13237 13454 13664 13888 14504 14615 14945 15128 15190 15376 15484 15616 15680 15799 15872 16058 16576 17080 17143 17360 17696 17920 18056 18130 18352 18910 18944 19220 19276 19355 19520 19592 19840 20224 20461 20720 22120 22570 22940 23384 23680 23912 24095 24304 24490 25088 25280 26474 26908 27328 27776 29008 29230 29890 30256 30380 30752 30968 31232 31360 31598 32116 33152 33635 33733 34160 34286 34720 35392 35557 36112 36260 36704 37820 38440 38552 38710 39040 39184 39680 40145 40448 40922 41440 44240 45140 45880 46768 47089 47360 47824 48190 48608 48980 50560 52948 53816 54656 55552 56203 58016 58460 58621 59780 60512 60760 61504 61936 62720 63196 64232 66185 66304 67270 67466 68320 68572 69440 69967 70784 71114 72224 72520 73408 75640 75919 76880 77104 77420 78080 78368 78995 79360 80290 81844 82880 85715 88480 90280 90613 91760 92659 93536 94178 94720 95648 96380 97216 97960 101120 102305 105896 107632 109312 110593 111104 112406 116032 116920 117242 119560 120001 121024 121520 123008 123872 125440 126392 128464 132370 132608 134540 134932 136640 137144 138880 139934 141568 142228 143227 144448 145040 146816 149389 151280 151838 153760 154208 154840 156160 156736 157990 160580 163688 165760 168665 171430 176960 177785 178303 180560 181226 183520 185318 187072 188356 191296 192760 194432 195920 202240 204610 211792 215264 218624 221186 224812 232064 233840 234484 235445 236131 239120 240002 242048 243040 246016 247744 248899 252784 256928 264740 269080 269864 273280 274288 277760 279868 281015 283136 284456 286454 288896 290080 293105 293632 298778 302560 303676 307520 308416 309680 313472 315980 321160 327376 331520 337330 342860 349835 353920 355570 356606 361120 362452 367040 370636 374144 376712 379595 382592 385520 388864 391840 409220 410347 423584 430528 442372 449624 453065 463295 464128 467680 468968 470890 472262 478240 480004 484096 486080 489769 492032 495488 497798 505568 513856 529480 531433 538160 539728 546560 548576 552965 555520 559736 562030 568912 572908 577792 580160 586210 587264 597556 600005 605120 607352 615040 616832 619360 626944 631960 634291 642320 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4251194920 4333476112 4388330240 4404516704 4460270080 4473265664 4538437820 4684839040 4761639680 4797777124 4858508480 4952544128 5033733376 5186786080 5416845140 5483173856 5505645880 5552581120 5591582080 5683247360 5927755520 5997221405 6190680160 6292166720 6801911872 6853967320 7075063040 7191047680 7261500512 7353418240 7773613568 8298857728 8396109967 8502389840 8666952224 8776660480 8809033408 9076875640 9369678080 9523279360 9595554248 9717016960 9905088256 10067466752 10373572160 10833690280 10966347712 11011291760 11183164160 11366494720 11855511040 11994442810 12381360320 12584333440 13603823744 13707934640 14150126080 14523001024 16597715456 16792219934 17004779680 17333904448 17618066816 18153751280 18739356160 19191108496 19434033920 19810176512 20747144320 21667380560 21932695424 22022583520 22366328320 23988885620 24762720640 25168666880 27207647488 27415869280 29046002048 33584439868 34009559360 34667808896 35236133632 36307502560 38382216992 38868067840 41494288640 41980549835 43334761120 43865390848 44045167040 47977771240 49525441280 50337333760 54415294976 54831738560 58092004096 67168879736 68019118720 69335617792 70472267264 72615005120 76764433984 82988577280 83961099670 86669522240 87730781696 88090334080 95955542480 99050882560 109663477120 116184008192 134337759472 136038237440 138671235584 145230010240 153528867968 167922199340 173339044480 176180668160 191911084960 219326954240 268675518944 272076474880 290460020480 307057735936 335844398680 346678088960 352361336320 383822169920 438653908480 537351037888 580920040960 614115471872 671688797360 693356177920 767644339840 1074702075776 1343377594720 1535288679680 2149404151552 2686755189440 3070577359360 4298808303104 5373510378880 10747020757760 21494041515520
• Sum of all divisors σ(n): 65481144474240
• Sum of proper divisors (its aliquot sum) s(n): 43987102958720
• 21494041515520 is an abundant number, because the sum of its proper divisors (43987102958720) is greater than itself. Its abundance is 22493061443200

Bases of 21494041515520

• Binary: 100111000110001111000101101011001011000000000₂
• Hexadecimal: 0x138C78B59600
• Base-36: 7MA85CWSG

Squares and roots of 21494041515520

• 21494041515520 squared (21494041515520²) is 461993820670897298400870400
• 21494041515520 cubed (21494041515520³) is 9930114361413968470878518084903108608000
• The square root of 21494041515520 is 4636166.6833193131
• The cube root of 21494041515520 is 27803.9198428329

Scales and comparisons

• 21,494,041,515,520 seconds is equal to 683,444 years, 1 week, 5 days, 15 hours, 38 minutes, 40 seconds.
• To count from 1 to 21,494,041,515,520 would take you about one million, seven hundred eight thousand, six hundred ten 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 21494041515520 cubic inches would be around 2317 feet tall.

Recreational maths with 21494041515520

• 21494041515520 backwards is 02551514049412
• The number of decimal digits it has is: 14
• The sum of 21494041515520's digits is 43
• More coming soon!