21013617240
21,013,617,240 is an even composite number composed of seven prime numbers multiplied together.
21013617240 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21013617240:
23 × 33 × 5 × 7 × 11 × 71 × 3559
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 11 × 71 × 3559)See below for interesting mathematical facts about the number 21013617240 from the Numbermatics database.
Names of 21013617240
- Cardinal: 21013617240 can be written as Twenty-one billion, thirteen million, six hundred seventeen thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.101361724 × 1010
Factors of 21013617240
Divisors of 21013617240
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 27 28 30 33 35 36 40 42 44 45 54 55 56 60 63 66 70 71 72 77 84 88 90 99 105 108 110 120 126 132 135 140 142 154 165 168 180 189 198 210 213 216 220 231 252 264 270 280 284 297 308 315 330 355 360 378 385 396 420 426 440 462 495 497 504 540 568 594 616 630 639 660 693 710 756 770 781 792 840 852 924 945 990 994 1065 1080 1155 1188 1260 1278 1320 1386 1420 1485 1491 1512 1540 1562 1704 1848 1890 1917 1980 1988 2079 2130 2310 2343 2376 2485 2520 2556 2772 2840 2970 2982 3080 3124 3195 3465 3559 3780 3834 3905 3960 3976 4158 4260 4473 4620 4686 4970 5112 5467 5544 5940 5964 6248 6390 6930 7029 7118 7455 7560 7668 7810 8316 8520 8946 9240 9372 9585 9940 10395 10677 10934 11715 11880 11928 12780 13419 13860 14058 14236 14910 15336 15620 16401 16632 17795 17892 18744 19170 19880 20790 21087 21354 21868 22365 23430 24913 25560 26838 27335 27720 28116 28472 29820 31240 32031 32802 35145 35590 35784 38340 39149 41580 42174 42708 43736 44730 46860 49203 49826 53385 53676 54670 56232 59640 64062 65604 67095 70290 71180 74739 76680 78298 82005 83160 84348 85416 89460 93720 96093 98406 99652 105435 106770 107352 109340 117447 124565 128124 131208 134190 140580 142360 147609 149478 156596 160155 164010 168696 178920 192186 195745 196812 199304 210870 213540 218680 224217 234894 246015 249130 252689 256248 268380 274043 281160 295218 298956 313192 320310 328020 352341 373695 384372 391490 393624 421740 427080 448434 469788 480465 492030 498260 505378 536760 548086 587235 590436 597912 640620 656040 672651 704682 738045 747390 758067 768744 782980 822129 843480 896868 939576 960930 984060 996520 1010756 1057023 1096172 1121085 1174470 1180872 1263445 1281240 1345302 1370215 1409364 1476090 1494780 1516134 1565960 1644258 1761705 1768823 1793736 1921860 1968120 2021512 2114046 2192344 2242170 2274201 2348940 2466387 2526890 2690604 2740430 2779579 2818728 2952180 2989560 3032268 3288516 3363255 3523410 3537646 3790335 3843720 4110645 4228092 4484340 4548402 4697880 4932774 5053780 5285115 5306469 5381208 5480860 5559158 5904360 6064536 6577032 6726510 6822603 7046820 7075292 7399161 7580670 8221290 8338737 8456184 8844115 8968680 9096804 9865548 10107560 10570230 10612938 10961720 11118316 11371005 12331935 13453020 13645206 13897895 14093640 14150584 14798322 15161340 15919407 16442580 16677474 17688230 18193608 19457053 19731096 21140460 21225876 22236632 22742010 24663870 25016211 26532345 26906040 27290412 27795790 29596644 30322680 31838814 32885160 33354948 34113015 35376460 36995805 38914106 41693685 42280920 42451752 45484020 47758221 49327740 50032422 53064690 54580824 55591580 58371159 59193288 63677628 66709896 68226030 70752920 73991610 75048633 77828212 79597035 83387370 90968040 95516442 97285265 98655480 100064844 106129380 111183160 116742318 125081055 127355256 136452060 147983220 150097266 155656424 159194070 166774740 175113477 191032884 194570530 200129688 212258760 233484636 238791105 250162110 272904120 291855795 295966440 300194532 318388140 333549480 350226954 375243165 382065768 389141060 466969272 477582210 500324220 525340431 583711590 600389064 636776280 700453908 750486330 778282120 875567385 955164420 1000648440 1050680862 1167423180 1400907816 1500972660 1751134770 1910328840 2101361724 2334846360 2626702155 3001945320 3502269540 4202723448 5253404310 7004539080 10506808620 21013617240
- Sum of all divisors σ(n): 88584192000
- Sum of proper divisors (its aliquot sum) s(n): 67570574760
- 21013617240 is an abundant number, because the sum of its proper divisors (67570574760) is greater than itself. Its abundance is 46556957520
Bases of 21013617240
- Binary: 100111001001000001001011010010110002
- Hexadecimal: 0x4E4825A58
- Base-36: 9NIYQU0
Squares and roots of 21013617240
- 21013617240 squared (210136172402) is 441572109509225217600
- 21013617240 cubed (210136172403) is 9279027293086222971602111424000
-
The
square root of 21013617240 is 144960.7437894825 -
The
cube root of 21013617240 is 2759.5203797967
Scales and comparisons
How big is 21013617240?- 21,013,617,240 seconds is equal to 668 years, 8 weeks, 5 days, 3 hours, 54 minutes.
-
To count from 1 to 21,013,617,240 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 21013617240 cubic inches would be around 230 feet tall.
Recreational maths with 21013617240
- 21013617240 backwards is 04271631012
- 21013617240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21013617240's digits is 27
- More coming soon!
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