21378648155648

Names of 21378648155648

• Cardinal: 21378648155648 can be written as Twenty-one trillion, three hundred seventy-eight billion, six hundred forty-eight million, one hundred fifty-five thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1378648155648 × 10¹³

Factors of 21378648155648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 246

Divisors of 21378648155648

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 37 38 49 56 64 74 76 98 112 128 133 148 152 181 196 224 256 259 266 296 304 362 392 448 512 518 532 592 608 703 724 784 896 931 1036 1064 1184 1216 1267 1369 1406 1448 1568 1792 1813 1862 2072 2128 2368 2432 2534 2738 2812 2896 3136 3439 3584 3626 3724 4144 4256 4736 4864 4921 5068 5476 5624 5792 6272 6697 6878 7252 7448 8288 8512 8869 9472 9583 9728 9842 10136 10952 11248 11584 12544 13394 13756 14504 14896 16576 17024 17738 18944 19166 19684 20272 21904 22496 23168 24073 25088 26011 26788 27512 29008 29792 32761 33152 34048 34447 35476 38332 39368 40544 43808 44992 46336 46879 48146 52022 53576 55024 58016 59584 65522 66304 67081 68096 68894 70952 76664 78736 81088 87616 89984 92672 93758 96292 104044 107152 110048 116032 119168 127243 131044 132608 134162 137788 141904 153328 157472 162176 168511 175232 179968 182077 187516 192584 208088 214304 220096 229327 232064 238336 247789 254486 262088 268324 275576 283808 306656 314944 324352 328153 337022 350464 359936 364154 375032 385168 416176 428608 440192 458654 464128 476672 495578 508972 524176 536648 551152 567616 613312 622459 629888 648704 656306 674044 700928 728308 750064 770336 832352 857216 880384 890701 917308 928256 991156 1017944 1048352 1073296 1102304 1135232 1212157 1226624 1244918 1259776 1274539 1312612 1348088 1456616 1500128 1540672 1605289 1664704 1714432 1734523 1760768 1781402 1834616 1982312 2035888 2096704 2146592 2204608 2270464 2424314 2453248 2489836 2519552 2549078 2625224 2696176 2913232 3000256 3081344 3210578 3329408 3428864 3469046 3562804 3669232 3964624 4071776 4193408 4293184 4357213 4409216 4540928 4707991 4848628 4906496 4979672 5098156 5250448 5392352 5826464 6000512 6162688 6234907 6421156 6658816 6938092 7125608 7338464 7929248 8143552 8386816 8485099 8586368 8714426 8818432 9415982 9697256 9959344 10196312 10500896 10784704 11652928 12001024 12141661 12325376 12469814 12842312 13317632 13876184 14251216 14676928 15858496 16287104 16773632 16970198 17172736 17428852 17636864 18831964 19394512 19918688 20392624 21001792 21569408 23030983 23305856 24002048 24283322 24939628 25684624 27752368 28502432 29353856 30500491 31716992 32574208 32955937 33940396 34345472 34857704 37663928 38789024 39837376 40785248 42003584 43138816 44849809 46061966 46611712 48566644 49879256 51369248 55504736 57004864 58707712 59395693 61000982 63433984 65148416 65911874 67880792 69715408 75327856 77578048 79674752 81570496 84007168 86277632 89699618 92123932 93223424 97133288 99758512 102738496 111009472 114009728 117415424 118791386 122001964 126867968 131823748 135761584 139430816 150655712 155156096 159349504 161216881 163140992 168014336 179399236 184247864 194266576 199517024 205476992 222018944 228019456 230691559 237582772 244003928 263647496 271523168 278861632 301311424 310312192 313948663 318699008 322433762 326281984 358798472 368495728 388533152 399034048 410953984 444037888 456038912 461383118 475165544 488007856 527294992 543046336 557723264 602622848 620624384 627897326 644867524 652563968 717596944 736991456 777066304 798068096 821907968 852146371 888075776 922766236 950331088 976015712 1054589984 1086092672 1115446528 1128518167 1205245696 1255794652 1289735048 1435193888 1473982912 1554132608 1596136192 1704292742 1845532472 1900662176 1952031424 2109179968 2172185344 2197640641 2230893056 2257036334 2410491392 2511589304 2579470096 2870387776 2947965824 3108265216 3192272384 3408585484 3691064944 3801324352 3904062848 4218359936 4344370688 4395281282 4514072668 5023178608 5158940192 5740775552 5895931648 5965024597 6216530432 6817170968 7382129888 7602648704 7808125696 8436719872 8790562564 9028145336 10046357216 10317880384 11481551104 11791863296 11930049194 13634341936 14764259776 15205297408 15616251392 16873439744 17581125128 18056290672 20092714432 20635760768 22963102208 23860098388 27268683872 29528519552 30410594816 35162250256 36112581344 40185428864 41271521536 41755172179 47720196776 54537367744 59057039104 70324500512 72225162688 80370857728 82543043072 83510344358 95440393552 109074735488 118114078208 140649001024 144450325376 160741715456 167020688716 190880787104 218149470976 281298002048 288900650752 334041377432 381761574208 436298941952 562596004096 577801301504 668082754864 763523148416 1125192008192 1336165509728 1527046296832 2672331019456 3054092593664 5344662038912 10689324077824 21378648155648
• Sum of all divisors σ(n): 54055231142220
• Sum of proper divisors (its aliquot sum) s(n): 32676582986572
• 21378648155648 is an abundant number, because the sum of its proper divisors (32676582986572) is greater than itself. Its abundance is 11297934830924

Bases of 21378648155648

• Binary: 100110111000110011010101110101010011000000000₂
• Hexadecimal: 0x13719ABAA600
• Base-36: 7KT7R4QGW

Squares and roots of 21378648155648

• 21378648155648 squared (21378648155648²) is 457046596962991632034299904
• 21378648155648 cubed (21378648155648³) is 9771038387208055852302543116924503457792
• The square root of 21378648155648 is 4623705.0247229223
• The cube root of 21378648155648 is 27754.0743007381

Scales and comparisons

• 21,378,648,155,648 seconds is equal to 679,774 years, 45 weeks, 6 days, 8 hours, 34 minutes, 8 seconds.
• To count from 1 to 21,378,648,155,648 would take you about one million, six hundred ninety-nine thousand, four hundred thirty-seven 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 21378648155648 cubic inches would be around 2312.8 feet tall.

Recreational maths with 21378648155648

• 21378648155648 backwards is 84655184687312
• The number of decimal digits it has is: 14
• The sum of 21378648155648's digits is 68
• More coming soon!