18309429040

Names of 18309429040

• Cardinal: 18309429040 can be written as Eighteen billion, three hundred nine million, four hundred twenty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.830942904 × 10¹⁰

Factors of 18309429040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 121

Divisors of 18309429040

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 41 47 56 70 76 80 82 94 95 112 133 140 152 164 188 190 205 235 266 280 287 304 328 329 361 376 380 410 470 532 560 574 656 658 665 722 752 760 779 820 893 940 1064 1148 1316 1330 1435 1444 1520 1558 1640 1645 1786 1805 1880 1927 2128 2209 2296 2527 2632 2660 2870 2888 3116 3280 3290 3572 3610 3760 3854 3895 4418 4465 4592 5054 5264 5320 5453 5740 5776 6232 6251 6580 7144 7220 7708 7790 8836 8930 9635 10108 10640 10906 11045 11480 12464 12502 12635 13160 13489 14288 14440 14801 15416 15463 15580 16967 17672 17860 19270 20216 21812 22090 22960 25004 25270 26320 26978 27265 28880 29602 30832 30926 31160 31255 33934 35344 35720 36613 38540 40432 41971 43624 44180 50008 50540 53956 54530 59204 61852 62320 62510 67445 67868 71440 73226 74005 77080 77315 83942 84835 87248 88360 90569 100016 101080 103607 107912 109060 118408 118769 123704 125020 134890 135736 146452 148010 154160 154630 167884 169670 176720 181138 183065 202160 207214 209855 215824 218120 236816 237538 247408 250040 256291 269780 271472 292904 293797 296020 309260 335768 339340 362276 366130 414428 419710 436240 452845 475076 500080 512582 518035 539560 585808 587594 592040 593845 618520 633983 671536 678680 695647 724552 732260 797449 828856 839420 905690 950152 1025164 1036070 1079120 1175188 1184080 1187690 1237040 1267966 1281455 1357360 1391294 1449104 1464520 1468985 1594898 1657712 1678840 1720811 1811380 1900304 2050328 2072140 2350376 2375380 2535932 2562910 2782588 2929040 2937970 3169915 3189796 3357680 3441622 3478235 3622760 3987245 4100656 4144280 4700752 4750760 4869529 5071864 5125820 5565176 5582143 5875940 6339830 6379592 6883244 6956470 7245520 7974490 8288560 8604055 9501520 9739058 10143728 10251640 11130352 11164286 11751880 12045677 12679660 12759184 13766488 13912940 15948980 17208110 19478116 20503280 22328572 23503760 24091354 24347645 25359320 27532976 27825880 27910715 31897960 32695409 34416220 38956232 44657144 48182708 48695290 50718640 55651760 55821430 60228385 63795920 65390818 68832440 77912464 89314288 96365416 97390580 111642860 120456770 130781636 137664880 163477045 192730832 194781160 223285720 228867863 240913540 261563272 326954090 389562320 446571440 457735726 481827080 523126544 653908180 915471452 963654160 1144339315 1307816360 1830942904 2288678630 2615632720 3661885808 4577357260 9154714520 18309429040
• Sum of all divisors σ(n): 53741372832
• Sum of proper divisors (its aliquot sum) s(n): 35431943792
• 18309429040 is an abundant number, because the sum of its proper divisors (35431943792) is greater than itself. Its abundance is 17122514752

Bases of 18309429040

• Binary: 10001000011010100111011011100110000₂
• Hexadecimal: 0x44353B730
• Base-36: 8ESYLV4

Squares and roots of 18309429040

• 18309429040 squared (18309429040²) is 335235191770795321600
• 18309429040 cubed (18309429040³) is 6137964955438168885199179264000
• The square root of 18309429040 is 135312.3388313125
• The cube root of 18309429040 is 2635.6734420765

Scales and comparisons

• 18,309,429,040 seconds is equal to 582 years, 9 weeks, 3 days, 16 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,309,429,040 would take you about one thousand, one hundred sixty-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 18309429040 cubic inches would be around 219.6 feet tall.

Recreational maths with 18309429040

• 18309429040 backwards is 04092490381
• 18309429040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18309429040's digits is 40
• More coming soon!