21103106386947840

Names of 21103106386947840

• Cardinal: 21103106386947840 can be written as Twenty-one quadrillion, one hundred three trillion, one hundred six billion, three hundred eighty-six million, nine hundred forty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.110310638694784 × 10¹⁶

Factors of 21103106386947840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 10712671806

Divisors of 21103106386947840

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 64 72 76 80 81 90 95 96 108 114 120 128 135 144 152 160 162 171 180 190 192 216 228 240 256 270 285 288 304 320 324 342 360 380 384 405 432 456 480 513 540 570 576 608 640 648 684 720 760 768 810 855 864 912 960 1026 1080 1140 1152 1216 1280 1296 1368 1440 1520 1539 1620 1710 1728 1824 1920 2052 2160 2280 2304 2432 2565 2592 2736 2880 3040 3078 3240 3420 3456 3648 3840 4104 4320 4560 4864 5130 5184 5472 5760 6080 6156 6480 6840 6912 7296 7695 8208 8640 9120 10260 10368 10944 11520 12160 12312 12960 13680 14592 15390 16416 17280 18240 20520 20736 21888 24320 24624 25920 27360 30780 32832 34560 36480 41040 43776 49248 51840 54720 61560 65664 72960 82080 98496 103680 109440 123120 131328 164160 196992 218880 246240 328320 393984 492480 656640 984960 1969920 10712671777 21425343554 32138015331 42850687108 53563358885 64276030662 85701374216 96414045993 107126717770 128552061324 160690076655 171402748432 192828091986 203540763763 214253435540 257104122648 289242137979 321380153310 342805496864 385656183972 407081527526 428506871080 482070229965 514208245296 578484275958 610622291289 642760306620 685610993728 771312367944 814163055052 857013742160 867726413937 964140459930 1017703818815 1028416490592 1156968551916 1221244582578 1285520613240 1371221987456 1446210689895 1542624735888 1628326110104 1714027484320 1735452827874 1831866873867 1928280919860 2035407637630 2056832981184 2313937103832 2442489165156 2571041226480 2742443974912 2892421379790 3053111456445 3085249471776 3256652220208 3428054968640 3470905655748 3663733747734 3856561839720 4070815275260 4113665962368 4338632069685 4627874207664 4884978330312 5142082452960 5495600621601 5784842759580 6106222912890 6170498943552 6513304440416 6856109937280 6941811311496 7327467495468 7713123679440 8141630550520 8227331924736 8677264139370 9159334369335 9255748415328 9769956660624 10284164905920 10991201243202 11569685519160 12212445825780 12340997887104 13026608880832 13712219874560 13883622622992 14654934990936 15426247358880 16283261101040 16486801864803 17354528278740 18318668738670 18511496830656 19539913321248 20568329811840 21982402486404 23139371038320 24424891651560 24681995774208 26053217761664 27478003108005 27767245245984 29309869981872 30852494717760 32566522202080 32973603729606 34709056557480 36637337477340 37022993661312 39079826642496 41136659623680 43964804972808 46278742076640 48849783303120 52106435523328 54956006216010 55534490491968 58619739963744 61704989435520 65133044404160 65947207459212 69418113114960 73274674954680 74045987322624 78159653284992 82434009324015 87929609945616 92557484153280 97699566606240 109912012432020 111068980983936 117239479927488 123409978871040 130266088808320 131894414918424 138836226229920 146549349909360 156319306569984 164868018648030 175859219891232 185114968306560 195399133212480 219824024864040 222137961967872 234478959854976 260532177616640 263788829836848 277672452459840 293098699818720 329736037296060 351718439782464 370229936613120 390798266424960 439648049728080 468957919709952 527577659673696 555344904919680 586197399637440 659472074592120 703436879564928 781596532849920 879296099456160 1055155319347392 1110689809839360 1172394799274880 1318944149184240 1406873759129856 1758592198912320 2110310638694784 2344789598549760 2637888298368480 3517184397824640 4220621277389568 5275776596736960 7034368795649280 10551553193473920 21103106386947840
• Sum of all divisors σ(n): 79485025044662160
• Sum of proper divisors (its aliquot sum) s(n): 58381918657714320
• 21103106386947840 is an abundant number, because the sum of its proper divisors (58381918657714320) is greater than itself. Its abundance is 37278812270766480

Bases of 21103106386947840

• Binary: 1001010111110010010100111010111110110011110111100000000₂
• Hexadecimal: 0x4AF929D7D9EF00
• Base-36: 5RSFD8KQ800

Squares and roots of 21103106386947840

• 21103106386947840 squared (21103106386947840²) is 445341099178838717710710880665600
• 21103106386947840 cubed (21103106386947840³) is 9398080594451322807230624576568827491651682304000
• The square root of 21103106386947840 is 145269082.6946595681
• The cube root of 21103106386947840 is 276343.2087732249

Scales and comparisons

• 21,103,106,386,947,840 seconds is equal to 671,013,506 years, 47 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 21,103,106,386,947,840 would take you about two billion, thirteen million, forty thousand, five hundred twenty 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 21103106386947840 cubic inches would be around 23028.6 feet tall.

Recreational maths with 21103106386947840

• 21103106386947840 backwards is 04874968360130112
• The number of decimal digits it has is: 17
• The sum of 21103106386947840's digits is 63
• More coming soon!