121390047680

Names of 121390047680

• Cardinal: 121390047680 can be written as One hundred twenty-one billion, three hundred ninety million, forty-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.2139004768 × 10¹¹

Factors of 121390047680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1138

Divisors of 121390047680

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 20 22 23 32 34 40 44 46 55 64 68 80 85 88 89 92 110 115 136 160 170 176 178 184 187 220 230 253 272 320 340 352 356 368 374 391 440 445 460 506 544 680 704 712 736 748 782 880 890 920 935 979 991 1012 1088 1265 1360 1424 1472 1496 1513 1564 1760 1780 1840 1870 1955 1958 1982 2024 2047 2530 2720 2848 2992 3026 3128 3520 3560 3680 3740 3910 3916 3964 4048 4094 4301 4895 4955 5060 5440 5696 5984 6052 6256 7120 7360 7480 7565 7820 7832 7928 8096 8188 8602 9790 9910 10120 10235 10901 11968 12104 12512 14240 14960 15130 15640 15664 15856 16192 16376 16643 16847 17204 19580 19820 20240 20470 21505 21802 22517 22793 24208 25024 28480 29920 30260 31280 31328 31712 32752 33286 33694 34408 34799 39160 39640 40480 40940 43010 43604 45034 45586 48416 54505 59840 60520 62560 62656 63424 65504 66572 67388 68816 69598 78320 79280 80960 81880 83215 84235 86020 87208 88199 90068 91172 96832 109010 112585 113965 121040 125120 131008 133144 134776 137632 139196 156640 158560 163760 166430 168470 172040 173995 174416 176398 180136 182344 185317 218020 225170 227930 242080 250723 266288 269552 275264 278392 313280 317120 327520 332860 336940 344080 347990 348832 352796 360272 364688 370634 382789 387481 436040 440995 450340 455860 484160 501446 532576 539104 556784 655040 665720 673880 688160 695980 697664 705592 720544 729376 741268 765578 774962 872080 881990 900680 911720 926585 970189 1002892 1065152 1078208 1113568 1253615 1331440 1347760 1376320 1391960 1411184 1441088 1458752 1482536 1499383 1531156 1549924 1744160 1763980 1801360 1823440 1853170 1913945 1937405 1940378 2005784 2028577 2227136 2507230 2662880 2695520 2783920 2822368 2965072 2998766 3062312 3099848 3488320 3527960 3602720 3646880 3706340 3827890 3874810 3880756 4011568 4057154 4262291 4850945 5014460 5325760 5391040 5567840 5644736 5930144 5997532 6124624 6199696 7055920 7205440 7293760 7412680 7496915 7655780 7749620 7761512 8023136 8114308 8524582 9701890 10028920 10142885 11135680 11860288 11995064 12249248 12399392 14111840 14825360 14993830 15311560 15499240 15523024 16046272 16228616 16493213 17049164 19403780 20057840 20285770 21311455 22314347 23990128 24498496 24798784 28223680 29650720 29987660 30623120 30998480 31046048 32457232 32986426 34098328 34485809 38807560 40115680 40571540 42622910 44628694 47980256 59301440 59975320 61246240 61996960 62092096 64914464 65972852 68196656 68971618 77615120 80231360 81143080 82466065 85245820 89257388 95960512 111571735 119950640 122492480 123993920 129828928 131945704 136393312 137943236 155230240 162286160 164932130 170491640 172429045 178514776 223143470 239901280 263891408 272786624 275886472 310460480 324572320 329864260 340983280 344858090 357029552 379343899 446286940 479802560 527782816 551772944 649144640 659728520 681966560 689716180 714059104 758687798 892573880 1055565632 1103545888 1319457040 1363933120 1379432360 1428118208 1517375596 1785147760 1896719495 2207091776 2638914080 2758864720 3034751192 3570295520 3793438990 5277828160 5517729440 6069502384 7140591040 7586877980 11035458880 12139004768 15173755960 24278009536 30347511920 60695023840 121390047680
• Sum of all divisors σ(n): 352674570240
• Sum of proper divisors (its aliquot sum) s(n): 231284522560
• 121390047680 is an abundant number, because the sum of its proper divisors (231284522560) is greater than itself. Its abundance is 109894474880

Bases of 121390047680

• Binary: 1110001000011011010010010000111000000₂
• Hexadecimal: 0x1C436921C0
• Base-36: 1JRKI08W

Squares and roots of 121390047680

• 121390047680 squared (121390047680²) is 14735543675752673382400
• 121390047680 cubed (121390047680³) is 1788748349390339481777002872832000
• The square root of 121390047680 is 348410.7456437013
• The cube root of 121390047680 is 4951.3963707375

Scales and comparisons

• 121,390,047,680 seconds is equal to 3,859 years, 43 weeks, 9 hours, 41 minutes, 20 seconds.
• To count from 1 to 121,390,047,680 would take you about seven thousand, seven hundred nineteen 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 121390047680 cubic inches would be around 412.6 feet tall.

Recreational maths with 121390047680

• 121390047680 backwards is 086740093121
• The number of decimal digits it has is: 12
• The sum of 121390047680's digits is 41
• More coming soon!