21318747291648

Names of 21318747291648

• Cardinal: 21318747291648 can be written as Twenty-one trillion, three hundred eighteen billion, seven hundred forty-seven million, two hundred ninety-one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1318747291648 × 10¹³

Factors of 21318747291648

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 229

Divisors of 21318747291648

• Number of divisors d(n): 684
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 43 48 54 64 72 81 86 96 108 128 129 144 162 172 181 192 216 243 256 258 288 324 344 362 384 387 432 486 512 516 543 576 648 688 724 768 774 864 972 1024 1032 1086 1152 1161 1296 1376 1448 1536 1548 1629 1728 1849 1944 2048 2064 2172 2304 2322 2592 2752 2896 3072 3096 3258 3456 3483 3698 3888 4096 4128 4344 4608 4644 4887 5184 5504 5547 5792 6144 6192 6516 6912 6966 7396 7776 7783 8192 8256 8688 9216 9288 9774 10368 10449 11008 11094 11584 12288 12384 13032 13824 13932 14661 14792 15552 15566 16384 16512 16641 17376 18432 18576 19548 20736 20898 22016 22188 23168 23349 24576 24768 26064 27648 27864 29322 29584 31104 31132 32768 33024 33282 34752 36864 37152 39096 41472 41796 43983 44032 44376 46336 46698 49152 49536 49923 52128 55296 55728 58644 59168 62208 62264 65536 66048 66564 69504 70047 73728 74304 78192 82944 83592 87966 88064 88752 92672 93396 98304 99072 99846 104256 110592 111456 117288 118336 124416 124528 131072 132096 133128 139008 140094 147456 148608 149769 156384 165888 167184 175932 176128 177504 185344 186792 196608 198144 199692 208512 210141 221184 222912 234576 236672 248832 249056 262144 264192 266256 278016 280188 294912 297216 299538 312768 331776 334368 334669 351864 352256 355008 370688 373584 393216 396288 399384 417024 420282 442368 445824 449307 469152 473344 497664 498112 528384 532512 556032 560376 589824 594432 599076 625536 630423 663552 668736 669338 703728 704512 710016 741376 747168 786432 792576 798768 834048 840564 884736 891648 898614 938304 946688 995328 996224 1004007 1056768 1065024 1112064 1120752 1179648 1188864 1198152 1251072 1260846 1327104 1337472 1338676 1407456 1409024 1420032 1482752 1494336 1585152 1597536 1668096 1681128 1769472 1783296 1797228 1876608 1891269 1893376 1990656 1992448 2008014 2113536 2130048 2224128 2241504 2359296 2377728 2396304 2502144 2521692 2654208 2674944 2677352 2814912 2818048 2840064 2965504 2988672 3012021 3170304 3195072 3336192 3362256 3538944 3566592 3594456 3753216 3782538 3786752 3981312 3984896 4016028 4227072 4260096 4448256 4483008 4755456 4792608 5004288 5043384 5308416 5349888 5354704 5629824 5636096 5680128 5931008 5977344 6024042 6340608 6390144 6672384 6724512 7077888 7133184 7188912 7506432 7565076 7573504 7962624 7969792 8032056 8454144 8520192 8896512 8966016 9036063 9510912 9585216 10008576 10086768 10616832 10699776 10709408 11259648 11272192 11360256 11862016 11954688 12048084 12681216 12780288 13344768 13449024 14266368 14377824 15012864 15130152 15147008 15925248 15939584 16064112 16908288 17040384 17793024 17932032 18072126 19021824 19170432 20017152 20173536 21233664 21399552 21418816 22519296 22720512 23724032 23909376 24096168 25362432 25560576 26689536 26898048 27108189 28532736 28755648 30025728 30260304 30294016 31850496 31879168 32128224 33816576 34080768 35586048 35864064 36144252 38043648 38340864 40034304 40347072 42799104 42837632 45038592 45441024 47448064 47818752 48192336 50724864 51121152 53379072 53796096 54216378 57065472 57511296 60051456 60520608 60588032 63700992 63758336 64256448 68161536 71172096 71728128 72288504 76087296 76681728 80068608 80694144 81324567 85598208 85675264 90077184 90882048 95637504 96384672 101449728 102242304 106758144 107592192 108432756 114130944 115022592 120102912 121041216 121176064 127516672 128512896 136323072 142344192 143456256 144577008 152174592 153363456 160137216 161388288 162649134 171196416 171350528 180154368 181764096 191275008 192769344 204484608 213516288 215184384 216865512 228261888 230045184 240205824 242082432 242352128 255033344 257025792 272646144 286912512 289154016 304349184 306726912 320274432 322776576 325298268 342392832 342701056 360308736 363528192 382550016 385538688 408969216 427032576 430368768 433731024 456523776 460090368 480411648 484164864 484704256 510066688 514051584 545292288 573825024 578308032 613453824 640548864 645553152 650596536 684785664 685402112 720617472 727056384 765100032 771077376 817938432 860737536 867462048 913047552 920180736 960823296 968329728 1020133376 1028103168 1090584576 1147650048 1156616064 1226907648 1281097728 1291106304 1301193072 1369571328 1370804224 1441234944 1454112768 1530200064 1542154752 1635876864 1721475072 1734924096 1840361472 1921646592 1936659456 2040266752 2056206336 2181169152 2295300096 2313232128 2453815296 2582212608 2602386144 2739142656 2741608448 2882469888 3060400128 3084309504 3271753728 3442950144 3469848192 3680722944 3843293184 3873318912 4112412672 4362338304 4590600192 4626464256 4907630592 5164425216 5204772288 5483216896 5764939776 6120800256 6168619008 6543507456 6885900288 6939696384 7361445888 7746637824 8224825344 9181200384 9252928512 9815261184 10328850432 10409544576 10966433792 11529879552 12337238016 13087014912 13771800576 13879392768 14722891776 15493275648 16449650688 18362400768 18505857024 19630522368 20657700864 20819089152 21932867584 24674476032 27543601152 27758785536 29445783552 30986551296 32899301376 37011714048 39261044736 41315401728 41638178304 43865735168 49348952064 55087202304 55517571072 58891567104 61973102592 65798602752 74023428096 82630803456 83276356608 87731470336 98697904128 111035142144 117783134208 123946205184 131597205504 148046856192 165261606912 166552713216 197395808256 222070284288 247892410368 263194411008 296093712384 333105426432 394791616512 444140568576 495784820736 592187424768 666210852864 789583233024 888281137152 1184374849536 1332421705728 1776562274304 2368749699072 2664843411456 3553124548608 5329686822912 7106249097216 10659373645824 21318747291648
• Sum of all divisors σ(n): 65749503078168
• Sum of proper divisors (its aliquot sum) s(n): 44430755786520
• 21318747291648 is an abundant number, because the sum of its proper divisors (44430755786520) is greater than itself. Its abundance is 23112008494872

Bases of 21318747291648

• Binary: 100110110001110101000010111000000000000000000₂
• Hexadecimal: 0x1363A85C0000
• Base-36: 7K1P3PC00

Squares and roots of 21318747291648

• 21318747291648 squared (21318747291648²) is 454488986085148935170555904
• 21318747291648 cubed (21318747291648³) is 9689135841186614419981999811354576289792
• The square root of 21318747291648 is 4617222.8981984399
• The cube root of 21318747291648 is 27728.1286601257

Scales and comparisons

• 21,318,747,291,648 seconds is equal to 677,870 years, 11 weeks, 3 days, 7 hours, 40 minutes, 48 seconds.
• To count from 1 to 21,318,747,291,648 would take you about one million, six hundred ninety-four thousand, six hundred seventy-five 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 21318747291648 cubic inches would be around 2310.7 feet tall.

Recreational maths with 21318747291648

• 21318747291648 backwards is 84619274781312
• The number of decimal digits it has is: 14
• The sum of 21318747291648's digits is 63
• More coming soon!