81369026428200

Names of 81369026428200

• Cardinal: 81369026428200 can be written as Eighty-one trillion, three hundred sixty-nine billion, twenty-six million, four hundred twenty-eight thousand, two hundred.

Scientific notation

• Scientific notation: 8.13690264282 × 10¹³

Factors of 81369026428200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 967

Divisors of 81369026428200

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 140 150 168 175 181 200 210 280 300 350 362 420 525 543 600 700 724 769 840 905 1050 1086 1267 1400 1448 1538 1810 2100 2172 2307 2534 2715 3076 3620 3801 3845 4200 4344 4525 4614 5068 5383 5430 6152 6335 7240 7602 7690 9050 9228 10136 10766 10860 11535 12670 13575 15204 15380 16149 18100 18456 19005 19225 21532 21720 23070 25340 26915 27150 30408 30760 31675 32298 32761 36200 38010 38450 43064 46140 50680 53830 54300 57675 63350 64596 65522 76020 76900 80745 92280 95025 98283 107660 108600 115350 126700 129192 131044 134575 139189 152040 153800 161490 163805 190050 196566 215320 229327 230700 253400 262088 269150 278378 322980 327610 380100 393132 403725 417567 458654 461400 491415 538300 556756 591361 645960 655220 687981 695945 760200 786264 807450 819025 835134 917308 974323 982830 1076600 1113512 1146635 1182722 1310440 1375962 1391890 1614900 1638050 1670268 1774083 1834616 1948646 1965660 2087835 2293270 2365444 2457075 2751924 2783780 2922969 2956805 3229800 3276100 3340536 3439905 3479725 3548166 3897292 3931320 4139527 4175670 4586540 4730888 4871615 4914150 5503848 5567560 5733175 5845938 5913610 6552200 6879810 6959450 7096332 7794584 8279054 8351340 8870415 9173080 9743230 9828300 10439175 11466350 11691876 11827220 12418581 13759620 13918900 14192664 14614845 14784025 16558108 16702680 17199525 17740830 19486460 19656600 20697635 20878350 22932700 23383752 23654440 24358075 24837162 25193209 27519240 27837800 29229690 29568050 33116216 34399050 35481660 38972920 41395270 41756700 44352075 45865400 48716150 49674324 50386418 58459380 59136100 62092905 68798100 70963320 73074225 75579627 82790540 83513400 88704150 97432300 99348648 100772836 103488175 107036341 116918760 118272200 124185810 125966045 137596200 146148450 151159254 165581080 176352463 177408300 194864600 201545672 206976350 214072682 248371620 251932090 292296900 302318508 310464525 321109023 352704926 354816600 377898135 413952700 428145364 496743240 503864180 529057389 535181705 584593800 604637016 620929050 629830225 642218046 705409852 749254387 755796270 827905400 856290728 881762315 1007728360 1058114778 1070363410 1241858100 1259660450 1284436092 1410819704 1498508774 1511592540 1605545115 1763524630 1889490675 2116229556 2140726820 2247763161 2483716200 2519320900 2568872184 2645286945 2675908525 2997017548 3023185080 3211090230 3527049260 3746271935 3778981350 4232459112 4281453640 4408811575 4495526322 5038641800 5290573890 5351817050 5994035096 6422180460 7054098520 7492543870 7557962700 8027725575 8817623150 8991052644 10581147780 10703634100 11238815805 12844360920 13226434725 14985087740 15115925400 16055451150 17635246300 17982105288 18731359675 19373577721 21162295560 21407268200 22477631610 26452869450 29970175480 32110902300 35270492600 37462719350 38747155442 44955263220 52905738900 56194079025 58120733163 64221804600 74925438700 77494310884 89910526440 96867888605 105811477800 112388158050 116241466326 135615044047 149850877400 154988621768 193735777210 224776316100 232482932652 271230088094 290603665815 387471554420 406845132141 449552632200 464965865304 484339443025 542460176188 581207331630 678075220235 774943108840 813690264282 968678886050 1084920352376 1162414663260 1356150440470 1453018329075 1627380528564 1937357772100 2034225660705 2324829326520 2712300880940 2906036658150 3254761057128 3390376101175 3874715544200 4068451321410 5424601761880 5812073316300 6780752202350 8136902642820 10171128303525 11624146632600 13561504404700 16273805285640 20342256607050 27123008809400 40684513214100 81369026428200
• Sum of all divisors σ(n): 290257784411040
• Sum of proper divisors (its aliquot sum) s(n): 208888757982840
• 81369026428200 is an abundant number, because the sum of its proper divisors (208888757982840) is greater than itself. Its abundance is 127519731554640

Bases of 81369026428200

• Binary: 10010100000000100110011111010100111110100101000₂
• Hexadecimal: 0x4A0133EA7D28
• Base-36: SUCEXG6CO

Squares and roots of 81369026428200

• 81369026428200 squared (81369026428200²) is 6620918461873110049755240000
• 81369026428200 cubed (81369026428200³) is 538737689303110385713461140501433768000000
• The square root of 81369026428200 is 9020478.1707069167
• The cube root of 81369026428200 is 43333.0947624039

Scales and comparisons

• 81,369,026,428,200 seconds is equal to 2,587,283 years, 18 weeks, 1 day, 5 hours, 10 minutes.
• To count from 1 to 81,369,026,428,200 would take you about six million, four hundred sixty-eight thousand, two hundred eight 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 81369026428200 cubic inches would be around 3611.1 feet tall.

Recreational maths with 81369026428200

• 81369026428200 backwards is 00282462096318
• The number of decimal digits it has is: 14
• The sum of 81369026428200's digits is 51
• More coming soon!