21018947040
21,018,947,040 is an even composite number composed of seven prime numbers multiplied together.
21018947040 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21018947040:
25 × 33 × 5 × 7 × 13 × 127 × 421
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 13 × 127 × 421)See below for interesting mathematical facts about the number 21018947040 from the Numbermatics database.
Names of 21018947040
- Cardinal: 21018947040 can be written as Twenty-one billion, eighteen million, nine hundred forty-seven thousand and forty.
Scientific notation
- Scientific notation: 2.101894704 × 1010
Factors of 21018947040
Divisors of 21018947040
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 84 90 91 96 104 105 108 112 117 120 126 127 130 135 140 144 156 160 168 180 182 189 195 208 210 216 224 234 240 252 254 260 270 273 280 288 312 315 336 351 360 364 378 381 390 416 420 421 432 455 468 480 504 508 520 540 546 560 585 624 630 635 672 702 720 728 756 762 780 819 840 842 864 889 910 936 945 1008 1016 1040 1080 1092 1120 1143 1170 1248 1260 1263 1270 1365 1404 1440 1456 1512 1524 1560 1638 1651 1680 1684 1755 1778 1820 1872 1890 1905 2016 2032 2080 2105 2160 2184 2286 2340 2457 2520 2526 2540 2667 2730 2808 2912 2947 3024 3048 3120 3276 3302 3360 3368 3429 3510 3556 3640 3744 3780 3789 3810 4064 4095 4210 4320 4368 4445 4572 4680 4914 4953 5040 5052 5080 5334 5460 5473 5616 5715 5894 6048 6096 6240 6315 6552 6604 6736 6858 7020 7112 7280 7560 7578 7620 8001 8190 8255 8420 8736 8841 8890 9144 9360 9828 9906 10080 10104 10160 10668 10920 10946 11232 11367 11430 11557 11788 12192 12285 12630 13104 13208 13335 13472 13716 14040 14224 14560 14735 14859 15120 15156 15240 16002 16380 16419 16510 16840 17145 17682 17780 18288 18720 18945 19656 19812 20208 20320 21336 21840 21892 22734 22860 23114 23576 24003 24570 24765 25260 26208 26416 26523 26670 27365 27432 28080 28448 29470 29718 30240 30312 30480 32004 32760 32838 33020 33680 34290 34671 35364 35560 36576 37890 38311 39312 39624 40005 40416 42672 43680 43784 44205 44577 45468 45720 46228 47152 48006 49140 49257 49530 50520 52832 53046 53340 53467 54730 54864 56160 56835 57785 58940 59436 60624 60960 64008 65520 65676 66040 67360 68580 69342 70728 71120 74295 75780 76622 78624 79248 79569 80010 82095 85344 87568 88410 89154 90936 91440 92456 94304 96012 98280 98514 99060 101040 104013 106092 106680 106934 109460 109728 113670 114933 115570 117880 118872 120015 121248 128016 131040 131352 132080 132615 137160 138684 141456 142240 147771 148590 151560 153244 158496 159138 160020 160401 164190 173355 175136 176820 178308 181872 182880 184912 191555 192024 196560 197028 198120 202080 208026 212184 213360 213868 218920 222885 227340 229866 231140 235760 237744 240030 246285 256032 262704 264160 265230 267335 274320 277368 282912 295542 297180 303120 306488 312039 318276 320040 320802 328380 344799 346710 353640 356616 363744 369824 374269 383110 384048 393120 394056 396240 397845 416052 424368 426720 427736 437840 445770 454680 459732 462280 471520 475488 480060 481203 492570 520065 525408 530460 534670 548640 554736 574665 591084 594360 606240 612976 624078 636552 640080 641604 656760 689598 693420 695071 707280 713232 738855 748538 766220 768096 788112 792480 795690 802005 832104 848736 855472 875680 891540 909360 919464 924560 960120 962406 985140 1034397 1040130 1060920 1069340 1109472 1122807 1149330 1182168 1188720 1225952 1248156 1273104 1280160 1283208 1313520 1379196 1386840 1390142 1414560 1426464 1443609 1477710 1497076 1532440 1560195 1576224 1591380 1604010 1664208 1710944 1723995 1783080 1818720 1838928 1849120 1871345 1920240 1924812 1970280 2068794 2080260 2085213 2121840 2138680 2245614 2298660 2364336 2377440 2406015 2496312 2546208 2566416 2627040 2758392 2773680 2780284 2887218 2955420 2994152 3064880 3120390 3182760 3208020 3328416 3368421 3447990 3475355 3566160 3677856 3742690 3840480 3849624 3940560 4137588 4160520 4170426 4243680 4277360 4491228 4597320 4728672 4812030 4865497 4992624 5132832 5171985 5516784 5547360 5560568 5614035 5774436 5910840 5988304 6129760 6240780 6255639 6365520 6416040 6736842 6895980 6950710 7132320 7218045 7485380 7699248 7881120 8275176 8321040 8340852 8554720 8982456 9194640 9624060 9730994 9985248 10105263 10343970 10426065 11033568 11121136 11228070 11548872 11821680 11976608 12481560 12511278 12731040 12832080 13473684 13791960 13901420 14436090 14596491 14970760 15398496 16550352 16642080 16681704 16842105 17964912 18389280 18766917 19248120 19461988 20210526 20687940 20852130 22242272 22456140 23097744 23643360 24327485 24963120 25022556 25664160 26947368 27583920 27802840 28872180 29192982 29941520 31278195 33100704 33363408 33684210 35929824 37533834 38496240 38923976 40421052 41375880 41704260 43789473 44912280 46195488 48654970 49926240 50045112 50526315 53894736 55167840 55605680 57744360 58385964 59883040 62556390 66726816 67368420 72982455 75067668 76992480 77847952 80842104 82751760 83408520 87578946 89824560 93834585 97309940 100090224 101052630 107789472 111211360 115488720 116771928 125112780 131368419 134736840 145964910 150135336 155695904 161684208 165503520 166817040 175157892 179649120 187669170 194619880 200180448 202105260 218947365 230977440 233543856 250225560 262736838 269473680 291929820 300270672 323368416 333634080 350315784 375338340 389239760 404210520 437894730 467087712 500451120 525473676 538947360 583859640 600541344 656842095 700631568 750676680 778479520 808421040 875789460 1000902240 1050947352 1167719280 1313684190 1401263136 1501353360 1616842080 1751578920 2101894704 2335438560 2627368380 3002706720 3503157840 4203789408 5254736760 7006315680 10509473520 21018947040
- Sum of all divisors σ(n): 91472855040
- Sum of proper divisors (its aliquot sum) s(n): 70453908000
- 21018947040 is an abundant number, because the sum of its proper divisors (70453908000) is greater than itself. Its abundance is 49434960960
Bases of 21018947040
- Binary: 100111001001101001110101101111000002
- Hexadecimal: 0x4E4D3ADE0
- Base-36: 9NM4ZC0
Squares and roots of 21018947040
- 21018947040 squared (210189470402) is 441796134670324761600
- 21018947040 cubed (210189470403) is 9286089557112264023671025664000
-
The
square root of 21018947040 is 144979.1262216737 -
The
cube root of 21018947040 is 2759.7536642151
Scales and comparisons
How big is 21018947040?- 21,018,947,040 seconds is equal to 668 years, 17 weeks, 3 days, 20 hours, 24 minutes.
-
To count from 1 to 21,018,947,040 would take you about one thousand, three hundred thirty-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 21018947040 cubic inches would be around 230 feet tall.
Recreational maths with 21018947040
- 21018947040 backwards is 04074981012
- 21018947040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21018947040's digits is 36
- More coming soon!
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The information we have on file for 21018947040 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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