18209197972160

Names of 18209197972160

• Cardinal: 18209197972160 can be written as Eighteen trillion, two hundred nine billion, one hundred ninety-seven million, nine hundred seventy-two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.820919797216 × 10¹³

Factors of 18209197972160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 797217

Divisors of 18209197972160

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 19 20 26 32 34 38 40 52 64 65 68 76 80 85 95 104 130 136 152 160 170 190 208 221 247 260 272 289 304 320 323 340 380 416 442 494 520 544 578 608 646 680 760 832 884 988 1040 1088 1105 1156 1216 1235 1292 1360 1445 1520 1615 1768 1976 2080 2210 2312 2470 2584 2720 2890 3040 3230 3536 3757 3952 4160 4199 4420 4624 4940 5168 5440 5491 5780 6080 6460 7072 7514 7904 8398 8840 9248 9880 10336 10982 11560 12920 14144 15028 15808 16796 17680 18496 18785 19760 20672 20995 21964 23120 25840 27455 30056 33592 35360 37570 39520 41990 43928 46240 51680 54910 60112 67184 70720 71383 75140 79040 83980 87856 92480 103360 109820 120224 134368 142766 150280 167960 175712 219640 240448 268736 285532 300560 335920 351424 356915 439280 571064 601120 671840 713830 797161 878560 1142128 1202240 1343680 1427660 1594322 1757120 2284256 2855320 3188644 3985805 4568512 5710640 6377288 7971610 10363093 11421280 12754576 13551737 15146059 15943220 20726186 22842560 25509152 27103474 30292118 31886440 41452372 51018304 51815465 54206948 60584236 63772880 67758685 75730295 82904744 103630930 108413896 121168472 127545760 135517370 151460590 165809488 176172581 196898767 207261860 216827792 230379529 242336944 255091520 257483003 271034740 302921180 331618976 352345162 393797534 414523720 433655584 460759058 484673888 514966006 542069480 605842360 663237952 704690324 787595068 829047440 867311168 880862905 921518116 969347776 984493835 1029932012 1084138960 1151897645 1211684720 1287415015 1409380648 1575190136 1658094880 1761725810 1843036232 1968987670 2059864024 2168277920 2303795290 2423369440 2574830030 2818761296 2994933877 3150380272 3316189760 3347279039 3523451620 3686072464 3937975340 4119728048 4336555840 4377211051 4607590580 4846738880 5149660060 5637522592 5989867754 6300760544 6694558078 7046903240 7372144928 7875950680 8239456096 8754422102 9215181160 10299320120 11275045184 11979735508 12601521088 13389116156 14093806480 14744289856 14974669385 15751901360 16478912192 16736395195 17508844204 18430362320 20598640240 21886055255 23959471016 26778232312 28187612960 29949338770 31503802720 33472790390 35017688408 36860724640 41197280480 43772110510 47918942032 53556464624 56375225920 56903743663 59898677540 63007605440 66945580780 70035376816 73721449280 82394560960 87544221020 95837884064 107112929248 113807487326 119797355080 133891161560 140070753632 175088442040 191675768128 214225858496 227614974652 239594710160 267782323120 280141507264 284518718315 350176884080 455229949304 479189420320 535564646240 569037436630 700353768160 910459898608 958378840640 1071129292480 1138074873260 1400707536320 1820919797216 2276149746520 3641839594432 4552299493040 9104598986080 18209197972160
• Sum of all divisors σ(n): 52215322686240
• Sum of proper divisors (its aliquot sum) s(n): 34006124714080
• 18209197972160 is an abundant number, because the sum of its proper divisors (34006124714080) is greater than itself. Its abundance is 15796926741920

Bases of 18209197972160

• Binary: 100001000111110101000110001101101101011000000₂
• Hexadecimal: 0x108FA8C6DAC0
• Base-36: 6GD6UBPA8

Squares and roots of 18209197972160

• 18209197972160 squared (18209197972160²) is 331574890789315856135065600
• 18209197972160 cubed (18209197972160³) is 6037712828979983749328370818588573696000
• The square root of 18209197972160 is 4267223.6843362219
• The cube root of 18209197972160 is 26308.5516158815

Scales and comparisons

• 18,209,197,972,160 seconds is equal to 578,996 years, 8 weeks, 6 days, 3 hours, 49 minutes, 20 seconds.
• To count from 1 to 18,209,197,972,160 would take you about one million, four hundred forty-seven thousand, four hundred ninety 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 18209197972160 cubic inches would be around 2192.4 feet tall.

Recreational maths with 18209197972160

• 18209197972160 backwards is 06127979190281
• The number of decimal digits it has is: 14
• The sum of 18209197972160's digits is 62
• More coming soon!