13909912380

Names of 13909912380

• Cardinal: 13909912380 can be written as Thirteen billion, nine hundred nine million, nine hundred twelve thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.390991238 × 10¹⁰

Factors of 13909912380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16698

Divisors of 13909912380

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 17 18 20 21 26 27 28 30 34 35 36 39 42 45 51 52 54 60 63 65 68 70 78 84 85 90 91 102 105 108 117 119 126 130 135 140 153 156 170 180 182 189 195 204 210 221 234 238 252 255 260 270 273 306 315 340 351 357 364 378 390 420 442 455 459 468 476 510 540 546 585 595 612 630 663 702 714 756 765 780 819 884 910 918 945 1020 1071 1092 1105 1170 1190 1260 1326 1365 1404 1428 1530 1547 1638 1755 1785 1820 1836 1890 1989 2142 2210 2295 2340 2380 2457 2652 2730 3060 3094 3213 3276 3315 3510 3570 3780 3978 4095 4284 4420 4590 4641 4914 5355 5460 5967 6188 6426 6630 7020 7140 7735 7956 8190 9180 9282 9828 9945 10710 11934 12285 12852 13260 13923 15470 16065 16380 16651 18564 19890 21420 23205 23868 24570 27846 29835 30940 32130 33302 39780 41769 46410 49140 49953 55692 59670 64260 66604 69615 83255 83538 92820 99906 116557 119340 139230 149859 166510 167076 199812 208845 216463 233114 249765 278460 283067 299718 333020 349671 417690 432926 449577 466228 499530 566134 582785 599436 649389 699342 749295 835380 849201 865852 899154 999060 1049013 1082315 1132268 1165570 1298778 1398684 1415335 1498590 1515241 1698402 1748355 1798308 1948167 1981469 2098026 2164630 2247885 2331140 2547603 2597556 2830670 2997180 3030482 3147039 3246945 3396804 3496710 3679871 3896334 3962938 4196052 4246005 4329260 4495770 4545723 5095206 5245065 5661340 5844501 5944407 6060964 6294078 6493890 6993420 7359742 7576205 7642809 7792668 7925876 8492010 8991540 9091446 9740835 9907345 10190412 10490130 11039613 11689002 11888814 12588156 12738015 12987780 13637169 14719484 15152410 15285618 15735195 16984020 17833221 18182892 18399355 19481670 19814690 20980260 22079226 22728615 23378004 23777628 25476030 25759097 27274338 29222505 29722035 30304820 30571236 31470390 33118839 35666442 36798710 38214045 38963340 39629380 40911507 44158452 45457230 50952060 51518194 53499663 54548676 55198065 58445010 59444070 62940780 66237678 68185845 71332884 73597420 76428090 77277291 81823014 89166105 90914460 99356517 103036388 106999326 110396130 116890020 118888140 128795485 132475356 136371690 152856180 154554582 163646028 165594195 178332210 198713034 204557535 213998652 220792260 231831873 257590970 267498315 272743380 309109164 331188390 356664420 386386455 397426068 409115070 463663746 496782585 515181940 534996630 662376780 695495619 772772910 818230140 927327492 993565170 1069993260 1159159365 1390991238 1545545820 1987130340 2318318730 2781982476 3477478095 4636637460 6954956190 13909912380
• Sum of all divisors σ(n): 56398325760
• Sum of proper divisors (its aliquot sum) s(n): 42488413380
• 13909912380 is an abundant number, because the sum of its proper divisors (42488413380) is greater than itself. Its abundance is 28578501000

Bases of 13909912380

• Binary: 1100111101000110000110101100111100₂
• Hexadecimal: 0x33D186B3C
• Base-36: 6E1LP30

Squares and roots of 13909912380

• 13909912380 squared (13909912380²) is 193485662419277264400
• 13909912380 cubed (13909912380³) is 2691368611038405570730093272000
• The square root of 13909912380 is 117940.2915885831
• The cube root of 13909912380 is 2404.9615172431

Scales and comparisons

• 13,909,912,380 seconds is equal to 442 years, 15 weeks, 1 day, 8 hours, 33 minutes.
• To count from 1 to 13,909,912,380 would take you about eight hundred eighty-four 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 13909912380 cubic inches would be around 200.4 feet tall.

Recreational maths with 13909912380

• 13909912380 backwards is 08321990931
• 13909912380 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13909912380's digits is 45
• More coming soon!