20988154440
20,988,154,440 is an even composite number composed of eight prime numbers multiplied together.
20988154440 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 20988154440:
23 × 32 × 5 × 11 × 17 × 31 × 89 × 113
(2 × 2 × 2 × 3 × 3 × 5 × 11 × 17 × 31 × 89 × 113)See below for interesting mathematical facts about the number 20988154440 from the Numbermatics database.
Names of 20988154440
- Cardinal: 20988154440 can be written as Twenty billion, nine hundred eighty-eight million, one hundred fifty-four thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.098815444 × 1010
Factors of 20988154440
Divisors of 20988154440
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 17 18 20 22 24 30 31 33 34 36 40 44 45 51 55 60 62 66 68 72 85 88 89 90 93 99 102 110 113 120 124 132 136 153 155 165 170 178 180 186 187 198 204 220 226 248 255 264 267 279 306 310 330 339 340 341 356 360 372 374 396 408 440 445 452 465 495 510 527 534 558 561 565 612 620 660 678 680 682 712 744 748 765 792 801 890 904 930 935 979 990 1017 1020 1023 1054 1068 1116 1122 1130 1224 1240 1243 1320 1335 1356 1364 1395 1496 1513 1530 1581 1602 1683 1695 1705 1780 1860 1870 1921 1958 1980 2034 2040 2046 2108 2136 2232 2244 2260 2486 2635 2670 2712 2728 2759 2790 2805 2937 3026 3060 3069 3162 3204 3366 3390 3410 3503 3560 3720 3729 3740 3842 3916 3960 4005 4068 4092 4216 4488 4520 4539 4743 4895 4972 5085 5115 5270 5340 5518 5580 5610 5763 5797 5874 6052 6120 6138 6215 6324 6408 6732 6780 6820 7006 7458 7480 7565 7684 7832 7905 8010 8136 8184 8277 8415 8811 9078 9486 9605 9790 9944 10057 10170 10230 10509 10540 10680 11036 11160 11187 11220 11526 11594 11748 12104 12276 12430 12648 13464 13560 13617 13640 13795 14012 14685 14916 15130 15345 15368 15810 16020 16554 16643 16830 17289 17391 17515 17622 18156 18645 18972 19210 19580 20114 20340 20460 21018 21080 21131 22072 22374 22440 22695 23052 23188 23496 23715 24552 24831 24860 27234 27590 28024 28815 28985 29370 29832 30171 30260 30349 30690 31527 31620 32040 33108 33286 33660 34578 34782 35030 35244 36312 37290 37944 38420 38533 39160 40228 40680 40920 41385 42036 42262 44055 44748 45390 46104 46376 46903 47430 49662 49720 49929 50285 52173 52545 54468 55180 55935 57630 57970 58740 59551 60342 60520 60698 61380 63054 63240 63393 66216 66572 67320 68085 69156 69564 70060 70488 74580 76840 77066 80456 82770 83215 84072 84524 86445 86955 88110 89496 90513 90780 91047 93806 94860 99324 99858 100570 104346 105090 105655 108936 110360 110627 111870 115260 115599 115940 117480 119102 120684 121396 122760 124155 126108 126786 133144 136170 138312 139128 140120 140709 149160 149787 150855 151745 154132 157635 165540 166430 169048 170969 172890 173910 176220 178653 181026 181560 182094 187612 189720 190179 192665 198648 199716 201140 208692 210180 211310 221254 223740 230520 231198 231880 234515 238204 241368 242792 248310 249645 252216 253572 260865 272340 273141 281418 297755 299574 301710 303490 308264 311767 315270 316965 331080 331881 332860 341938 345780 346797 347820 352440 357306 362052 364188 375224 380358 385330 399432 402280 417384 420360 422127 422620 442508 447480 452565 455235 462396 469030 476408 496620 499290 507144 512907 515933 521730 535959 544680 546282 553135 562836 577995 595510 599148 603420 606980 623534 630540 633930 655061 663762 665720 683876 691560 693594 695640 703545 714612 724104 728376 748935 760716 770660 844254 845240 854845 885016 893265 905130 910470 924792 935301 938060 950895 993240 995643 998580 1025814 1031866 1043460 1071918 1092564 1106270 1125672 1155990 1191020 1198296 1206840 1213960 1247068 1261080 1267860 1310122 1327524 1365705 1367752 1387188 1407090 1429224 1497870 1521432 1538721 1541320 1547799 1558835 1659405 1688508 1709690 1733985 1786530 1810260 1820940 1870602 1876120 1880659 1901790 1965183 1991286 1997160 2051628 2063732 2086920 2110635 2143836 2185128 2212540 2311980 2382040 2494136 2535720 2564535 2579665 2620244 2655048 2679795 2731410 2774376 2805903 2814180 2995740 3077442 3095598 3117670 3275305 3318810 3377016 3419380 3429437 3467970 3573060 3620520 3641880 3741204 3761318 3803580 3930366 3982572 4103256 4127464 4221270 4287672 4425080 4623960 4643397 4676505 4978215 5129070 5159330 5240488 5300039 5359590 5462820 5611806 5628360 5641977 5895549 5991480 6154884 6191196 6235340 6550610 6637620 6838760 6858874 6935940 7146120 7482408 7522636 7607160 7693605 7738995 7860732 7965144 8442540 9286794 9353010 9403295 9825915 9956430 10258140 10288311 10318660 10600078 10719180 10925640 11223612 11283954 11791098 12309768 12382392 12470680 13101220 13275240 13717748 13871880 14029515 15045272 15387210 15477990 15721464 15900117 16885080 16925931 17147185 18573588 18706020 18806590 19651830 19912860 20516280 20576622 20637320 21200156 21438360 22447224 22567908 23216985 23582196 26202440 26500195 27435496 28059030 28209885 29477745 30774420 30864933 30955980 31800234 33851862 34294370 37147176 37412040 37613180 39303660 39825720 41153244 42400312 45135816 46433970 47164392 47700351 51441555 53000390 56118060 56419770 58300429 58955490 61548840 61729866 61911960 63600468 67703724 68588740 75226360 78607320 79500585 82306488 84629655 92867940 95400702 102883110 106000780 112236120 112839540 116600858 117910980 123459732 127200936 135407448 137177480 154324665 159001170 169259310 174901287 185735880 190801404 205766220 212001560 225679080 233201716 235821960 238501755 246919464 291502145 308649330 318002340 338518620 349802574 381602808 411532440 466403432 477003510 524703861 583004290 617298660 636004680 677037240 699605148 874506435 954007020 1049407722 1166008580 1234597320 1399210296 1749012870 1908014040 2098815444 2332017160 2623519305 3498025740 4197630888 5247038610 6996051480 10494077220 20988154440
- Sum of all divisors σ(n): 82973030400
- Sum of proper divisors (its aliquot sum) s(n): 61984875960
- 20988154440 is an abundant number, because the sum of its proper divisors (61984875960) is greater than itself. Its abundance is 40996721520
Bases of 20988154440
- Binary: 100111000101111110111010010010010002
- Hexadecimal: 0x4E2FDD248
- Base-36: 9N3SZM0
Squares and roots of 20988154440
- 20988154440 squared (209881544402) is 440502626797291713600
- 20988154440 cubed (209881544403) is 9245337162447241058769048384000
-
The
square root of 20988154440 is 144872.8906317535 -
The
cube root of 20988154440 is 2758.4053327521
Scales and comparisons
How big is 20988154440?- 20,988,154,440 seconds is equal to 667 years, 18 weeks, 4 days, 10 hours, 54 minutes.
-
To count from 1 to 20,988,154,440 would take you about one thousand, three hundred thirty-four 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 20988154440 cubic inches would be around 229.9 feet tall.
Recreational maths with 20988154440
- 20988154440 backwards is 04445188902
- 20988154440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20988154440's digits is 45
- More coming soon!
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The information we have on file for 20988154440 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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