13971491820

Names of 13971491820

• Cardinal: 13971491820 can be written as Thirteen billion, nine hundred seventy-one million, four hundred ninety-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.397149182 × 10¹⁰

Factors of 13971491820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 447

Divisors of 13971491820

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 13 15 17 18 20 22 26 27 29 30 33 34 36 39 44 45 51 52 54 55 58 60 65 66 68 78 85 87 90 99 102 108 110 116 117 130 132 135 143 145 153 156 165 170 174 180 187 195 198 204 220 221 234 255 260 261 270 286 290 297 306 319 330 340 348 351 367 374 377 390 396 429 435 442 459 468 493 495 510 522 540 561 572 580 585 594 612 638 660 663 702 715 734 748 754 765 780 783 858 870 884 918 935 957 986 990 1020 1044 1101 1105 1122 1131 1170 1188 1276 1287 1305 1326 1404 1430 1468 1479 1485 1508 1530 1566 1595 1683 1716 1740 1755 1835 1836 1870 1885 1914 1972 1980 1989 2145 2202 2210 2244 2262 2295 2340 2431 2465 2574 2610 2652 2805 2860 2871 2958 2970 3060 3132 3190 3303 3315 3366 3393 3510 3670 3740 3770 3828 3861 3915 3978 4037 4147 4290 4404 4420 4437 4524 4590 4771 4785 4862 4930 5049 5148 5220 5423 5505 5610 5655 5742 5916 5940 5967 6239 6380 6409 6435 6606 6630 6732 6786 7020 7293 7340 7395 7540 7722 7830 7956 8074 8294 8415 8580 8613 8874 9180 9542 9570 9724 9860 9909 9945 10098 10179 10643 10846 11010 11220 11310 11484 11934 12111 12155 12441 12478 12818 12870 13212 13260 13311 13572 14313 14355 14586 14790 15444 15660 16148 16269 16515 16588 16830 16965 17226 17748 18717 19084 19140 19227 19305 19818 19890 20185 20196 20358 20735 21286 21692 21879 22020 22185 22620 23855 23868 24222 24310 24882 24956 25245 25636 25740 26622 27115 28626 28710 29172 29580 29835 31195 31929 32045 32538 33030 33660 33930 34452 36333 36465 37323 37434 38454 38610 39636 39780 40370 40716 41470 42572 42939 43065 43758 44370 47710 48444 48620 48807 49545 49764 50490 50895 52481 53215 53244 54230 56151 57252 57420 57681 59670 60555 62205 62390 63858 64090 65076 65637 66060 66555 67860 68629 70499 71565 72666 72930 74646 74868 76908 77220 80740 81107 81345 82940 85878 86130 87516 88740 93585 95420 95787 96135 97614 99090 100980 101790 104962 106430 108460 108999 109395 111969 112302 115362 117073 119340 121110 124410 124780 127716 128180 128817 131274 133110 137258 138359 140998 143130 145332 145860 146421 149292 157443 159645 162214 162690 168453 171756 172260 173043 180931 181665 186615 187170 191574 192270 195228 198180 203580 205887 209924 211497 212860 214695 217998 218790 223938 224604 230724 234146 242220 243321 244035 248820 257634 262405 262548 266220 274516 276718 280755 281996 286260 287361 288405 292842 314886 319290 324428 325380 328185 336906 343145 346086 351219 352495 361862 363330 373230 374340 383148 384540 405535 411774 415077 422994 429390 435996 437580 447876 468292 472329 478935 486642 488070 515268 524810 542793 544995 553436 559845 561510 574722 576810 585365 585684 617661 629772 634491 638580 644085 656370 673812 686290 691795 692172 702438 704990 723724 726660 729963 732105 746460 787215 811070 823548 830154 842265 845988 858780 865215 892177 904655 944658 957870 973284 976140 1029435 1049620 1053657 1057485 1085586 1089990 1119690 1123020 1149444 1153620 1170730 1216605 1235322 1245231 1268982 1288170 1312740 1372580 1383590 1404876 1409980 1416987 1436805 1459926 1464210 1521949 1574430 1622140 1628379 1660308 1684530 1730430 1756095 1784354 1809310 1852983 1889316 1903473 1915740 1990241 2058870 2075385 2107314 2114970 2171172 2179980 2189889 2239380 2341460 2352103 2361645 2433210 2470644 2490462 2537964 2576340 2676531 2713965 2767180 2833974 2873610 2919852 2928420 3043898 3088305 3148860 3160971 3172455 3256758 3369060 3460860 3512190 3568708 3618620 3649815 3705966 3735693 3806946 3980482 4117740 4150770 4214628 4229940 4379778 4460885 4565847 4704206 4723290 4866420 4885137 4980924 5268285 5353062 5427930 5667948 5747220 5970723 6087796 6176610 6226155 6321942 6344910 6513516 7024380 7056309 7084935 7299630 7411932 7471386 7609745 7613892 7960964 8029593 8141895 8301540 8759556 8921770 9131694 9264915 9408412 9446580 9517365 9770274 9951205 10536570 10706124 10855860 10949445 11760515 11941446 12353220 12452310 12643884 12689820 13382655 13697541 14112618 14169870 14599260 14942772 15219490 15804855 16059186 16283790 17843540 17912169 18263388 18529830 18678465 19034730 19540548 19902410 21073140 21168927 21898890 22829235 23521030 23882892 24088779 24425685 24904620 25873133 26765310 27395082 28225236 28339740 29853615 30438980 31609710 32118372 32567580 35281545 35824338 37059660 37356930 38069460 39804820 40147965 41092623 42337854 43797780 45658470 47042060 48177558 48851370 51746266 53530620 53736507 54790164 59707230 63219420 63506781 68487705 70563090 71648676 74713860 77619399 80295930 82185246 84675708 89560845 91316940 96355116 97702740 103492532 105844635 107473014 119414460 120443895 127013562 129365665 136975410 141126180 155238798 160591860 164370492 179121690 205463115 211689270 214946028 232858197 240887790 254027124 258731330 268682535 273950820 310477596 317533905 358243380 388096995 410926230 423378540 465716394 481775580 517462660 537365070 635067810 698574591 776193990 821852460 931432788 1074730140 1164290985 1270135620 1397149182 1552387980 2328581970 2794298364 3492872955 4657163940 6985745910 13971491820
• Sum of all divisors σ(n): 56086732800
• Sum of proper divisors (its aliquot sum) s(n): 42115240980
• 13971491820 is an abundant number, because the sum of its proper divisors (42115240980) is greater than itself. Its abundance is 28143749160

Bases of 13971491820

• Binary: 1101000000110001000000101111101100₂
• Hexadecimal: 0x340C40BEC
• Base-36: 6F29K30

Squares and roots of 13971491820

• 13971491820 squared (13971491820²) is 195202583676326912400
• 13971491820 cubed (13971491820³) is 2727271301076666984242456568000
• The square root of 13971491820 is 118201.0652236265
• The cube root of 13971491820 is 2408.5052294249

Scales and comparisons

• 13,971,491,820 seconds is equal to 444 years, 13 weeks, 1 hour, 57 minutes.
• To count from 1 to 13,971,491,820 would take you about eight hundred eighty-eight 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 13971491820 cubic inches would be around 200.7 feet tall.

Recreational maths with 13971491820

• 13971491820 backwards is 02819417931
• 13971491820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13971491820's digits is 45
• More coming soon!