13721388660

Names of 13721388660

• Cardinal: 13721388660 can be written as Thirteen billion, seven hundred twenty-one million, three hundred eighty-eight thousand, six hundred sixty.

Scientific notation

• Scientific notation: 1.372138866 × 10¹⁰

Factors of 13721388660

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 541

Divisors of 13721388660

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 81 84 90 98 105 108 126 135 140 147 157 162 180 189 196 210 243 245 252 270 294 314 315 324 367 378 405 420 441 471 486 490 540 567 588 628 630 734 735 756 785 810 882 942 945 972 980 1099 1101 1134 1215 1260 1323 1413 1468 1470 1570 1620 1701 1764 1835 1884 1890 2198 2202 2205 2268 2355 2430 2569 2646 2826 2835 2940 3140 3297 3303 3402 3670 3780 3969 4239 4396 4404 4410 4710 4860 5138 5292 5495 5505 5652 5670 6594 6606 6615 6804 7065 7340 7693 7707 7938 8478 8505 8820 9420 9891 9909 10276 10990 11010 11340 11907 12717 12845 13188 13212 13230 14130 15386 15414 15876 16485 16515 16956 17010 17983 19782 19818 19845 21195 21980 22020 23079 23121 23814 25434 25690 26460 28260 29673 29727 30772 30828 32970 33030 34020 35966 38151 38465 38535 39564 39636 39690 42390 46158 46242 47628 49455 49545 50868 51380 53949 57619 59346 59454 59535 63585 65940 66060 69237 69363 71932 76302 76930 77070 79380 84780 89019 89181 89915 92316 92484 98910 99090 107898 115238 115395 115605 118692 118908 119070 127170 138474 138726 148365 148635 152604 153860 154140 161847 172857 178038 178362 179830 190755 197820 198180 207711 208089 215796 230476 230790 231210 238140 254340 267057 269745 276948 277452 288095 296730 297270 323694 345714 346185 346815 356076 356724 359660 381510 403333 415422 416178 445095 445905 461580 462420 485541 518571 534114 539490 576190 593460 594540 623133 624267 647388 691428 692370 693630 763020 806666 809235 830844 832356 864285 890190 891810 971082 1037142 1038555 1040445 1068228 1078980 1152380 1209999 1246266 1248534 1335285 1384740 1387260 1456623 1555713 1613332 1618470 1728570 1780380 1783620 1869399 1942164 2016665 2074284 2077110 2080890 2419998 2427705 2492532 2497068 2592855 2670570 2823331 2913246 3111426 3115665 3121335 3236940 3457140 3629997 3738798 4033330 4154220 4161780 4369869 4667139 4839996 4855410 5185710 5341140 5646662 5826492 6049995 6222852 6231330 6242670 7259994 7283115 7477596 7778565 8066660 8469993 8739738 9334278 9346995 9710820 10371420 10889991 11293324 12099990 12462660 12485340 14001417 14116655 14519988 14566230 15557130 16939986 17479476 18149985 18668556 18693990 21779982 21849345 23335695 24199980 25409979 28002834 28233310 29132460 31114260 32669973 33879972 36299970 37387980 42349965 43559964 43698690 46671390 50819958 54449955 56005668 56466620 65339946 70007085 72599940 76229937 84699930 87397380 93342780 98009919 101639916 108899910 127049895 130679892 140014170 152459874 163349865 169399860 196019838 217799820 228689811 254099790 280028340 304919748 326699730 381149685 392039676 457379622 490049595 508199580 653399460 686069433 762299370 914759244 980099190 1143449055 1372138866 1524598740 1960198380 2286898110 2744277732 3430347165 4573796220 6860694330 13721388660
• Sum of all divisors σ(n): 50667611904
• Sum of proper divisors (its aliquot sum) s(n): 36946223244
• 13721388660 is an abundant number, because the sum of its proper divisors (36946223244) is greater than itself. Its abundance is 23224834584

Bases of 13721388660

• Binary: 1100110001110110111100011001110100₂
• Hexadecimal: 0x331DBC674
• Base-36: 6AXCZ90

Squares and roots of 13721388660

• 13721388660 squared (13721388660²) is 188276506758776595600
• 13721388660 cubed (13721388660³) is 2583415124784290534339245896000
• The square root of 13721388660 is 117138.3313010733
• The cube root of 13721388660 is 2394.0470904865

Scales and comparisons

• 13,721,388,660 seconds is equal to 436 years, 15 weeks, 3 days, 8 hours, 51 minutes.
• To count from 1 to 13,721,388,660 would take you about eight hundred seventy-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 13721388660 cubic inches would be around 199.5 feet tall.

Recreational maths with 13721388660

• 13721388660 backwards is 06688312731
• 13721388660 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13721388660's digits is 45
• More coming soon!