18021911040

Names of 18021911040

• Cardinal: 18021911040 can be written as Eighteen billion, twenty-one million, nine hundred eleven thousand and forty.

Scientific notation

• Scientific notation: 1.802191104 × 10¹⁰

Factors of 18021911040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1001

Divisors of 18021911040

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 131 140 144 160 168 180 192 210 224 240 252 256 262 280 288 315 320 336 360 384 393 420 448 480 504 512 524 560 576 630 640 655 672 720 768 786 840 853 896 917 960 1008 1048 1120 1152 1179 1260 1280 1310 1344 1440 1536 1572 1680 1706 1792 1834 1920 1965 2016 2096 2240 2304 2358 2520 2559 2560 2620 2688 2751 2880 3144 3360 3412 3584 3668 3840 3930 4032 4192 4265 4480 4585 4608 4716 5040 5118 5240 5376 5502 5760 5895 5971 6288 6720 6824 7336 7677 7680 7860 8064 8253 8384 8530 8960 9170 9432 10080 10236 10480 10752 11004 11520 11790 11942 12576 12795 13440 13648 13755 14672 15354 15720 16128 16506 16768 17060 17913 17920 18340 18864 20160 20472 20960 22008 23040 23580 23884 25152 25590 26880 27296 27510 29344 29855 30708 31440 32256 33012 33536 34120 35826 36680 37728 38385 40320 40944 41265 41920 44016 47160 47768 50304 51180 53739 53760 54592 55020 58688 59710 61416 62880 66024 67072 68240 71652 73360 75456 76770 80640 81888 82530 83840 88032 89565 94320 95536 100608 102360 107478 109184 110040 111743 117376 119420 122832 125760 132048 136480 143304 146720 150912 153540 161280 163776 165060 167680 176064 179130 188640 191072 201216 204720 214956 218368 220080 223486 234752 238840 245664 251520 264096 268695 272960 286608 293440 301824 307080 327552 330120 335229 335360 352128 358260 377280 382144 409440 429912 436736 440160 446972 469504 477680 491328 503040 528192 537390 545920 558715 573216 586880 603648 614160 655104 660240 670458 704256 716520 754560 764288 782201 818880 859824 880320 893944 955360 982656 1005687 1006080 1056384 1074780 1091840 1117430 1146432 1173760 1228320 1310208 1320480 1340916 1408512 1433040 1509120 1528576 1564402 1637760 1676145 1719648 1760640 1787888 1910720 1965312 2011374 2112768 2149560 2183680 2234860 2292864 2346603 2347520 2456640 2640960 2681832 2866080 3018240 3057152 3128804 3275520 3352290 3439296 3521280 3575776 3821440 3911005 3930624 4022748 4225536 4299120 4469720 4585728 4693206 4913280 5028435 5281920 5363664 5732160 6257608 6551040 6704580 6878592 7039809 7042560 7151552 7642880 7822010 8045496 8598240 8939440 9171456 9386412 9826560 10056870 10563840 10727328 11464320 11733015 12515216 13409160 13757184 14079618 14303104 15285760 15644020 16090992 17196480 17878880 18772824 19653120 20113740 21127680 21454656 22928640 23466030 25030432 26818320 27514368 28159236 28606208 31288040 32181984 34392960 35199045 35757760 37545648 40227480 42909312 45857280 46932060 50060864 53636640 56318472 57212416 62576080 64363968 68785920 70398090 71515520 75091296 80454960 85818624 93864120 100121728 107273280 112636944 125152160 128727936 137571840 140796180 143031040 150182592 160909920 171637248 187728240 200243456 214546560 225273888 250304320 257455872 281592360 286062080 300365184 321819840 375456480 400486912 429093120 450547776 500608640 514911744 563184720 600730368 643639680 750912960 858186240 901095552 1001217280 1126369440 1201460736 1287279360 1501825920 1802191104 2002434560 2252738880 2574558720 3003651840 3604382208 4505477760 6007303680 9010955520 18021911040
• Sum of all divisors σ(n): 71960144256
• Sum of proper divisors (its aliquot sum) s(n): 53938233216
• 18021911040 is an abundant number, because the sum of its proper divisors (53938233216) is greater than itself. Its abundance is 35916322176

Bases of 18021911040

• Binary: 10000110010001100001000101000000000₂
• Hexadecimal: 0x432308A00
• Base-36: 8A1S3K0

Squares and roots of 18021911040

• 18021911040 squared (18021911040²) is 324789277533673881600
• 18021911040 cubed (18021911040³) is 5853323466457741298566692864000
• The square root of 18021911040 is 134245.7114398819
• The cube root of 18021911040 is 2621.8043550467

Scales and comparisons

• 18,021,911,040 seconds is equal to 573 years, 2 weeks, 22 hours, 24 minutes.
• To count from 1 to 18,021,911,040 would take you about one thousand, one hundred forty-six 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 18021911040 cubic inches would be around 218.5 feet tall.

Recreational maths with 18021911040

• 18021911040 backwards is 04011912081
• The number of decimal digits it has is: 11
• The sum of 18021911040's digits is 27
• More coming soon!