13249891980

Names of 13249891980

• Cardinal: 13249891980 can be written as Thirteen billion, two hundred forty-nine million, eight hundred ninety-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.324989198 × 10¹⁰

Factors of 13249891980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 782

Divisors of 13249891980

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 23 26 27 30 36 39 45 46 52 54 60 65 69 78 90 92 108 115 117 130 135 137 138 156 180 195 207 230 234 260 270 274 276 299 345 351 390 411 414 460 468 540 548 585 598 599 621 685 690 702 780 822 828 897 1035 1170 1196 1198 1233 1242 1370 1380 1404 1495 1644 1755 1781 1794 1797 2055 2070 2340 2396 2466 2484 2691 2740 2990 2995 3105 3151 3510 3562 3588 3594 3699 4110 4140 4485 4932 5343 5382 5391 5980 5990 6165 6210 6302 7020 7124 7188 7398 7787 8073 8220 8905 8970 8985 9453 10686 10764 10782 11980 12330 12420 12604 13455 13777 14796 15574 15755 16029 16146 16173 17810 17940 17970 18495 18906 21372 21564 23361 24660 26715 26910 26955 27554 28359 31148 31510 32058 32292 32346 35620 35940 36990 37812 38935 40365 40963 41331 46722 47265 48087 53430 53820 53910 55108 56718 63020 64116 64692 68885 70083 73980 77870 80145 80730 80865 81926 82063 82662 85077 93444 94530 96174 106860 107820 113436 116805 122889 123993 137770 140166 141795 155740 160290 161460 161730 163852 164126 165324 170154 179101 189060 192348 204815 206655 210249 233610 240435 245778 246189 247986 275540 280332 283590 320580 323460 328252 340308 350415 358202 368667 371979 409630 410315 413310 420498 425385 467220 480870 491556 492378 495972 537303 567180 614445 619965 700830 716404 737334 738567 743958 819260 820630 826620 840996 850770 895505 961740 984756 1051245 1066819 1074606 1106001 1228890 1230945 1239930 1401660 1474668 1477134 1487916 1611909 1641260 1701540 1791010 1843335 1859895 1887449 2102490 2133638 2149212 2212002 2215701 2457780 2461890 2479860 2686515 2954268 3200457 3223818 3582020 3686670 3692835 3719790 3774898 4204980 4267276 4424004 4431402 4835727 4923780 5334095 5373030 5530005 5662347 6400914 6447636 7373340 7385670 7439580 7549796 8059545 8862804 9437245 9601371 9671454 10668190 10746060 11060010 11078505 11324694 12801828 14771340 16002285 16119090 16987041 18874490 19202742 19342908 21336380 22120020 22157010 22649388 24178635 24536837 28311735 28804113 32004570 32238180 33974082 37748980 38405484 44314020 48006855 48357270 49073674 50961123 56623470 57608226 64009140 67948164 73610511 84935205 96013710 96714540 98147348 101922246 113246940 115216452 122684185 144020565 147221022 169870410 192027420 203844492 220831533 245368370 254805615 288041130 294442044 339740820 368052555 441663066 490736740 509611230 576082260 662494599 736105110 883326132 1019222460 1104157665 1324989198 1472210220 2208315330 2649978396 3312472995 4416630660 6624945990 13249891980
• Sum of all divisors σ(n): 46738944000
• Sum of proper divisors (its aliquot sum) s(n): 33489052020
• 13249891980 is an abundant number, because the sum of its proper divisors (33489052020) is greater than itself. Its abundance is 20239160040

Bases of 13249891980

• Binary: 1100010101110000010100111010001100₂
• Hexadecimal: 0x315C14E8C
• Base-36: 634N630

Squares and roots of 13249891980

• 13249891980 squared (13249891980²) is 175559637481668320400
• 13249891980 cubed (13249891980³) is 2326146232680064475488030392000
• The square root of 13249891980 is 115108.1751223605
• The cube root of 13249891980 is 2366.3053151493

Scales and comparisons

• 13,249,891,980 seconds is equal to 421 years, 15 weeks, 6 days, 5 hours, 33 minutes.
• To count from 1 to 13,249,891,980 would take you about eight hundred forty-two 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 13249891980 cubic inches would be around 197.2 feet tall.

Recreational maths with 13249891980

• 13249891980 backwards is 08919894231
• 13249891980 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13249891980's digits is 54
• More coming soon!