21001261739328

Names of 21001261739328

• Cardinal: 21001261739328 can be written as Twenty-one trillion, one billion, two hundred sixty-one million, seven hundred thirty-nine thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1001261739328 × 10¹³

Factors of 21001261739328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 284

Divisors of 21001261739328

• Number of divisors d(n): 630
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 127 139 144 156 162 192 208 216 234 254 278 288 312 324 351 381 416 417 432 468 508 556 576 624 648 702 762 832 834 864 936 1016 1053 1112 1143 1248 1251 1296 1404 1524 1651 1668 1728 1807 1872 2032 2106 2224 2286 2496 2502 2592 2808 3048 3302 3336 3429 3614 3744 3753 4064 4212 4448 4572 4953 5004 5184 5421 5616 6096 6604 6672 6858 7228 7488 7506 8128 8424 8896 9144 9906 10008 10287 10842 11232 11259 12192 13208 13344 13716 14456 14859 15012 16129 16263 16848 17653 18288 19321 19812 20016 20574 21684 22464 22518 24384 26416 26688 27432 28912 29718 30024 32258 32526 33696 35306 36576 38642 39624 40032 41148 43368 44577 45036 48387 48789 52832 52959 54864 57824 57963 59436 60048 64516 65052 67392 70612 73152 77284 79248 80064 82296 86736 89154 90072 96774 97578 105664 105918 109728 115648 115926 118872 120096 129032 130104 133731 141224 145161 146367 154568 158496 158877 164592 173472 173889 178308 180144 193548 195156 209677 211836 219456 229489 231852 237744 240192 251173 258064 260208 267462 282448 290322 292734 309136 316992 317754 329184 346944 347778 356616 360288 387096 390312 419354 423672 435483 458978 463704 475488 476631 502346 516128 520416 521667 534924 564896 580644 585468 618272 629031 635508 658368 688467 695556 713232 720576 753519 774192 780624 838708 847344 870966 917956 927408 950976 953262 1004692 1032256 1040832 1043334 1069848 1129792 1161288 1170936 1236544 1258062 1271016 1306449 1376934 1391112 1426464 1429893 1507038 1548384 1561248 1565001 1677416 1694688 1741932 1835912 1854816 1887093 1906524 2009384 2065401 2086668 2139696 2241931 2260557 2322576 2341872 2453767 2516124 2542032 2612898 2753868 2782224 2852928 2859786 3014076 3096768 3122496 3130002 3354832 3389376 3483864 3671824 3709632 3774186 3813048 4018768 4130802 4173336 4279392 4483862 4521114 4645152 4683744 4907534 5032248 5084064 5225796 5507736 5564448 5661279 5719572 6028152 6196203 6260004 6709664 6725793 6781671 6967728 7343648 7361301 7548372 7626096 8037536 8261604 8346672 8558784 8967724 9042228 9290304 9367488 9815068 10064496 10168128 10451592 11015472 11128896 11322558 11439144 12056304 12392406 12520008 13419328 13451586 13563342 13935456 14687296 14722602 15096744 15252192 16075072 16523208 16693344 16983837 17935448 18084456 18588609 19630136 20128992 20177379 20345013 20903184 22030944 22083903 22645116 22878288 24112608 24784812 25040016 26903172 27126684 27870912 29145103 29445204 30193488 30504384 31898971 33046416 33386688 33967674 35870896 36168912 37177218 39260272 40257984 40354758 40690026 41806368 44061888 44167806 45290232 45756576 48225216 49569624 50080032 53806344 54253368 58290206 58890408 60386976 60532137 63797942 66092832 66251709 67935348 71741792 72337824 74354436 78520544 80709516 81380052 83612736 87435309 88335612 90580464 91513152 95696913 99139248 100160064 107612688 108506736 116580412 117780816 120773952 121064274 127595884 132185664 132503418 135870696 143483584 144675648 148708872 157041088 161419032 162760104 174870618 176671224 181160928 181596411 191393826 198278496 198755127 215225376 217013472 233160824 235561632 242128548 255191768 262305927 265006836 271741392 287090739 297417744 311628409 322838064 325520208 349741236 353342448 362321856 363192822 382787652 396556992 397510254 430450752 434026944 466321648 471123264 484257096 510383536 524611854 530013672 543482784 574181478 594835488 623256818 645676128 651040416 699482472 706684896 726385644 765575304 786917781 795020508 861272217 932643296 934885227 968514192 1020767072 1049223708 1060027344 1086965568 1148362956 1189670976 1246513636 1291352256 1302080832 1398964944 1413369792 1452771288 1531150608 1573835562 1590041016 1722544434 1865286592 1869770454 1937028384 2041534144 2098447416 2120054688 2296725912 2360753343 2493027272 2583816651 2797929888 2804655681 2905542576 3062301216 3147671124 3180082032 3445088868 3739540908 3874056768 4051169317 4196894832 4240109376 4593451824 4721506686 4986054544 5167633302 5595859776 5609311362 5811085152 6124602432 6295342248 6360164064 6890177736 7479081816 8102338634 8393789664 8413967043 9186903648 9443013372 9972109088 10335266604 11218622724 11622170304 12153507951 12590684496 12720328128 13780355472 14958163632 16204677268 16787579328 16827934086 18373807296 18886026744 19944218176 20670533208 22437245448 24307015902 25181368992 25241901129 27560710944 29916327264 32409354536 33655868172 36460523853 37772053488 41341066416 44874490896 48614031804 50362737984 50483802258 55121421888 59832654528 64818709072 67311736344 72921047706 75544106976 82682132832 89748981792 97228063608 100967604516 109381571559 129637418144 134623472688 145842095412 151088213952 165364265664 179497963584 194456127216 201935209032 218763143118 259274836288 269246945376 291684190824 328144714677 388912254432 403870418064 437526286236 538493890752 583368381648 656289429354 777824508864 807740836128 875052572472 1166736763296 1312578858708 1615481672256 1750105144944 2333473526592 2625157717416 3500210289888 5250315434832 7000420579776 10500630869664 21001261739328
• Sum of all divisors σ(n): 68064817646826
• Sum of proper divisors (its aliquot sum) s(n): 47063555907498
• 21001261739328 is an abundant number, because the sum of its proper divisors (47063555907498) is greater than itself. Its abundance is 26062294168170

Bases of 21001261739328

• Binary: 100110001100110111100101111101110110101000000₂
• Hexadecimal: 0x1319BCBEED40
• Base-36: 7FZUH0400

Squares and roots of 21001261739328

• 21001261739328 squared (21001261739328²) is 441052994643762131821891584
• 21001261739328 cubed (21001261739328³) is 9262669381428078976291320064902885015552
• The square root of 21001261739328 is 4582713.3599351379
• The cube root of 21001261739328 is 27589.7942992749

Scales and comparisons

• 21,001,261,739,328 seconds is equal to 667,775 years, 8 weeks, 3 days, 28 minutes, 48 seconds.
• To count from 1 to 21,001,261,739,328 would take you about one million, six hundred sixty-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 21001261739328 cubic inches would be around 2299.1 feet tall.

Recreational maths with 21001261739328

• 21001261739328 backwards is 82393716210012
• The number of decimal digits it has is: 14
• The sum of 21001261739328's digits is 45
• More coming soon!