21255425157120

Names of 21255425157120

• Cardinal: 21255425157120 can be written as Twenty-one trillion, two hundred fifty-five billion, four hundred twenty-five million, one hundred fifty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.125542515712 × 10¹³

Factors of 21255425157120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 131

Divisors of 21255425157120

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 32 33 35 40 42 44 48 49 55 56 60 64 66 70 77 80 84 88 96 98 103 105 110 112 120 121 128 132 140 147 154 160 165 168 176 192 196 206 210 220 224 231 240 242 245 256 264 280 294 308 309 320 330 336 352 363 384 385 392 412 420 440 448 462 480 484 490 512 515 528 539 560 588 605 616 618 640 660 672 704 721 726 735 768 770 784 824 840 847 880 896 924 960 968 980 1024 1030 1056 1078 1120 1133 1155 1176 1210 1232 1236 1280 1320 1331 1344 1408 1442 1452 1470 1536 1540 1545 1568 1617 1648 1680 1694 1760 1792 1815 1848 1920 1936 1960 2048 2060 2112 2156 2163 2240 2266 2310 2352 2420 2464 2472 2541 2560 2640 2662 2688 2695 2816 2884 2904 2940 3072 3080 3090 3136 3234 3296 3360 3388 3399 3520 3584 3605 3630 3696 3840 3872 3920 3993 4120 4224 4235 4312 4326 4480 4532 4620 4704 4840 4928 4944 5047 5082 5120 5280 5324 5376 5390 5632 5665 5768 5808 5880 5929 6144 6160 6180 6272 6468 6592 6655 6720 6776 6798 7040 7168 7210 7260 7392 7680 7744 7840 7931 7986 8085 8240 8448 8470 8624 8652 8960 9064 9240 9317 9408 9680 9856 9888 10094 10164 10240 10560 10609 10648 10752 10780 10815 11264 11330 11536 11616 11760 11858 12320 12360 12463 12544 12705 12936 13184 13310 13440 13552 13596 14080 14336 14420 14520 14784 15141 15360 15488 15680 15862 15972 16170 16480 16896 16940 16995 17248 17304 17787 17920 18128 18480 18634 18816 19360 19712 19776 19965 20188 20328 21120 21218 21296 21504 21560 21630 22528 22660 23072 23232 23520 23716 23793 24640 24720 24926 25088 25235 25410 25872 26368 26620 26880 27104 27192 27951 28160 28840 29040 29568 29645 30282 30720 30976 31360 31724 31827 31944 32340 32960 33792 33880 33990 34496 34608 35574 35840 36256 36960 37268 37389 37632 38720 39424 39552 39655 39930 40376 40656 42240 42436 42592 43008 43120 43260 45320 46144 46464 46585 47040 47432 47586 49280 49440 49852 50176 50470 50820 51744 52736 53045 53240 53760 54208 54384 55517 55902 56320 57680 58080 59136 59290 60564 61952 62315 62720 63448 63654 63888 64680 65219 65920 67584 67760 67980 68992 69216 71148 71680 72512 73920 74263 74536 74778 75264 75705 77440 78848 79104 79310 79860 80752 81312 84480 84872 85184 86240 86520 87241 88935 90640 92288 92928 93170 94080 94864 95172 98560 98880 99704 100352 100940 101640 103488 105472 106090 106480 107520 108416 108768 111034 111804 112640 115360 116160 116699 118272 118580 118965 121128 123904 124630 125440 126896 127308 127776 129360 130438 131840 135520 135960 137093 137984 138432 139755 142296 145024 147840 148526 149072 149556 150528 151410 154880 157696 158208 158620 159135 159720 161504 162624 166551 168960 169744 170368 172480 173040 174482 177870 181280 184576 185856 186340 186945 188160 189728 190344 195657 197120 197760 199408 201880 203280 206976 210944 212180 212960 215040 216832 217536 222068 222789 223608 230720 232320 233398 236544 237160 237930 242256 247808 249260 250880 253792 254616 255552 258720 260876 261723 263680 271040 271920 274186 275968 276864 277585 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41514502260 43378418688 43916167680 44282135744 46007413760 47445145440 48307784448 50608155136 51590837760 54223023360 55208896512 55352669680 58554890240 60384730560 63260193920 64410379264 66423203616 68787783680 69011120640 72297364480 75912232704 80512974080 83029004520 86756837376 87832335360 88564271488 92014827520 94890290880 96615568896 101216310272 103181675520 108446046720 110705339360 120769461120 126520387840 128820758528 132846407232 138022241280 144594728960 151824465408 161025948160 166058009040 175664670720 177128542976 189780581760 193231137792 202432620544 206363351040 216892093440 221410678720 241538922240 253040775680 265692814464 276044482560 303648930816 322051896320 332116018080 354257085952 379561163520 386462275584 433784186880 442821357440 483077844480 506081551360 531385628928 607297861632 644103792640 664232036160 708514171904 759122327040 885642714880 966155688960 1012163102720 1062771257856 1328464072320 1417028343808 1518244654080 1771285429760 1932311377920 2125542515712 2656928144640 3036489308160 3542570859520 4251085031424 5313856289280 7085141719040 10627712578560 21255425157120
• Sum of all divisors σ(n): 87860199510720
• Sum of proper divisors (its aliquot sum) s(n): 66604774353600
• 21255425157120 is an abundant number, because the sum of its proper divisors (66604774353600) is greater than itself. Its abundance is 45349349196480

Bases of 21255425157120

• Binary: 100110101010011101010000100001110100000000000₂
• Hexadecimal: 0x1354EA10E800
• Base-36: 7J8LVC8AO

Squares and roots of 21255425157120

• 21255425157120 squared (21255425157120²) is 451793098609929776686694400
• 21255425157120 cubed (21255425157120³) is 9603054394006698277222947830133424128000
• The square root of 21255425157120 is 4610360.6320026637
• The cube root of 21255425157120 is 27700.6482217509

Scales and comparisons

• 21,255,425,157,120 seconds is equal to 675,856 years, 40 weeks, 1 day, 5 hours, 52 minutes.
• To count from 1 to 21,255,425,157,120 would take you about one million, six hundred eighty-nine thousand, six hundred forty-one 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 21255425157120 cubic inches would be around 2308.4 feet tall.

Recreational maths with 21255425157120

• 21255425157120 backwards is 02175152455212
• 21255425157120 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21255425157120's digits is 42
• More coming soon!