28729876439040

Names of 28729876439040

• Cardinal: 28729876439040 can be written as Twenty-eight trillion, seven hundred twenty-nine billion, eight hundred seventy-six million, four hundred thirty-nine thousand and forty.

Scientific notation

• Scientific notation: 2.872987643904 × 10¹³

Factors of 28729876439040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 37715

Divisors of 28729876439040

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 127 128 140 147 160 168 192 196 210 224 240 245 254 256 280 294 320 336 381 384 392 420 448 480 490 508 512 560 588 635 640 672 735 762 768 784 840 889 896 960 980 1016 1024 1120 1176 1270 1280 1344 1470 1524 1536 1568 1680 1778 1792 1905 1920 1960 2032 2048 2240 2352 2540 2560 2667 2688 2940 3048 3072 3136 3360 3556 3584 3810 3840 3920 4064 4096 4445 4480 4704 5080 5120 5334 5376 5880 6096 6144 6223 6272 6720 7112 7168 7620 7680 7840 8128 8192 8890 8960 9408 10160 10240 10668 10752 11760 12192 12288 12446 12544 13335 13440 14224 14336 15240 15360 15680 16256 17780 17920 18669 18816 20320 20480 21336 21504 23520 24384 24576 24892 25088 26670 26880 28448 28672 30480 30720 31115 31360 32512 35560 35840 37338 37571 37632 40640 40960 42672 43008 47040 48768 49784 50176 53340 53760 56896 57344 60960 61440 62230 62720 65024 71120 71680 74676 75142 75264 81280 85344 86016 93345 94080 97536 99568 100352 106680 107520 112713 113792 121920 122880 124460 125440 130048 142240 143360 149352 150284 150528 162560 170688 172032 186690 187855 188160 195072 199136 200704 213360 215040 225426 227584 243840 248920 250880 260096 262997 284480 286720 298704 300568 301056 325120 341376 373380 375710 376320 390144 398272 401408 426720 430080 450852 455168 487680 497840 501760 520192 525994 563565 568960 597408 601136 602112 650240 682752 746760 751420 752640 780288 788991 796544 853440 860160 901704 910336 975360 995680 1003520 1040384 1051988 1127130 1137920 1194816 1202272 1204224 1300480 1314985 1365504 1493520 1502840 1505280 1560576 1577982 1593088 1706880 1803408 1820672 1840979 1950720 1991360 2007040 2103976 2254260 2275840 2389632 2404544 2600960 2629970 2731008 2987040 3005680 3010560 3121152 3155964 3186176 3413760 3606816 3641344 3681958 3901440 3944955 3982720 4207952 4508520 4551680 4771517 4779264 4809088 5201920 5259940 5462016 5522937 5974080 6011360 6021120 6311928 6372352 6827520 7213632 7282688 7363916 7802880 7889910 7965440 8415904 9017040 9103360 9204895 9543034 9558528 9618176 10519880 10924032 11045874 11948160 12022720 12623856 12744704 13655040 14314551 14427264 14727832 15605760 15779820 15930880 16831808 18034080 18206720 18409790 19086068 19117056 19236352 21039760 21848064 22091748 23857585 23896320 24045440 25247712 25489408 27310080 27614685 28629102 28854528 29455664 31559640 31861760 33400619 33663616 36068160 36413440 36819580 38172136 38234112 38472704 42079520 44183496 47715170 47792640 48090880 50495424 50978816 54620160 55229370 57258204 57709056 58911328 63119280 63723520 66801238 67327232 71572755 72136320 73639160 76344272 76468224 76945408 84159040 88366992 95430340 95585280 96181760 100201857 100990848 109240320 110458740 114516408 115418112 117822656 126238560 127447040 133602476 134654464 143145510 144272640 147278320 152688544 152936448 153890816 167003095 168318080 176733984 190860680 191170560 192363520 200403714 201981696 220917480 229032816 230836224 233804333 235645312 252477120 254894080 267204952 269308928 286291020 288545280 294556640 305377088 307781632 334006190 336636160 353467968 381721360 382341120 384727040 400807428 403963392 441834960 458065632 461672448 467608666 471290624 501009285 504954240 534409904 538617856 572582040 577090560 589113280 610754176 668012380 673272320 701412999 706935936 763442720 764682240 769454080 801614856 807926784 883669920 916131264 923344896 935217332 942581248 1002018570 1009908480 1068819808 1077235712 1145164080 1154181120 1169021665 1178226560 1221508352 1336024760 1346544640 1402825998 1413871872 1526885440 1538908160 1603229712 1615853568 1767339840 1832262528 1870434664 1885162496 2004037140 2019816960 2137639616 2154471424 2290328160 2308362240 2338043330 2356453120 2443016704 2672049520 2693089280 2805651996 2827743744 3053770880 3206459424 3231707136 3507064995 3534679680 3664525056 3740869328 3770324992 4008074280 4039633920 4275279232 4580656320 4616724480 4676086660 4712906240 4886033408 5344099040 5386178560 5611303992 5655487488 6107541760 6412918848 6463414272 7014129990 7069359360 7329050112 7481738656 7540649984 8016148560 8079267840 8550558464 9161312640 9352173320 9425812480 9772066816 10688198080 10772357120 11222607984 11310974976 12215083520 12825837696 14028259980 14138718720 14658100224 14963477312 15081299968 16032297120 16158535680 17101116928 18322625280 18704346640 18851624960 19544133632 21376396160 22445215968 22621949952 24430167040 25651675392 28056519960 28277437440 29316200448 29926954624 32064594240 32317071360 34202233856 36645250560 37408693280 37703249920 39088267264 42752792320 44890431936 45243899904 48860334080 51303350784 56113039920 56554874880 58632400896 59853909248 64129188480 68404467712 73290501120 74817386560 75406499840 85505584640 89780863872 97720668160 102606701568 112226079840 113109749760 117264801792 119707818496 128258376960 136808935424 146581002240 149634773120 171011169280 179561727744 195441336320 205213403136 224452159680 226219499520 239415636992 256516753920 273617870848 293162004480 299269546240 342022338560 359123455488 410426806272 448904319360 478831273984 513033507840 586324008960 598539092480 684044677120 718246910976 820853612544 897808638720 957662547968 1026067015680 1197078184960 1368089354240 1436493821952 1795617277440 1915325095936 2052134031360 2394156369920 2872987643904 3591234554880 4104268062720 4788312739840 5745975287808 7182469109760 9576625479680 14364938219520 28729876439040
• Sum of all divisors σ(n): 107783879675904
• Sum of proper divisors (its aliquot sum) s(n): 79054003236864
• 28729876439040 is an abundant number, because the sum of its proper divisors (79054003236864) is greater than itself. Its abundance is 50324126797824

Bases of 28729876439040

• Binary: 110100010000100110010000101000110000000000000₂
• Hexadecimal: 0x1A2132146000
• Base-36: A6MBMNCAO

Squares and roots of 28729876439040

• 28729876439040 squared (28729876439040²) is 825405800202505710836121600
• 28729876439040 cubed (28729876439040³) is 23713806651884926482521737174412427264000
• The square root of 28729876439040 is 5360025.7871618491
• The cube root of 28729876439040 is 30627.4791390161

Scales and comparisons

• 28,729,876,439,040 seconds is equal to 913,521 years, 10 weeks, 4 days, 1 hour, 4 minutes.
• To count from 1 to 28,729,876,439,040 would take you about two million, two hundred eighty-three thousand, eight hundred three 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 28729876439040 cubic inches would be around 2552.3 feet tall.

Recreational maths with 28729876439040

• 28729876439040 backwards is 04093467892782
• The number of decimal digits it has is: 14
• The sum of 28729876439040's digits is 69
• More coming soon!