1421521920

Names of 1421521920

• Cardinal: 1421521920 can be written as One billion, four hundred twenty-one million, five hundred twenty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.42152192 × 10⁹

Factors of 1421521920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 143

Divisors of 1421521920

• Number of divisors d(n): 704
• 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 64 65 70 72 78 80 84 90 91 96 104 105 108 112 113 117 120 126 128 130 135 140 144 156 160 168 180 182 189 192 195 208 210 216 224 226 234 240 252 256 260 270 273 280 288 312 315 320 336 339 351 360 364 378 384 390 416 420 432 448 452 455 468 480 504 512 520 540 546 560 565 576 585 624 630 640 672 678 702 720 728 756 768 780 791 819 832 840 864 896 904 910 936 945 960 1008 1017 1024 1040 1080 1092 1120 1130 1152 1170 1248 1260 1280 1344 1356 1365 1404 1440 1456 1469 1512 1536 1560 1582 1638 1664 1680 1695 1728 1755 1792 1808 1820 1872 1890 1920 2016 2034 2080 2160 2184 2240 2260 2304 2340 2373 2457 2496 2520 2560 2688 2712 2730 2808 2880 2912 2938 3024 3051 3072 3120 3164 3276 3328 3360 3390 3456 3510 3584 3616 3640 3744 3780 3840 3955 4032 4068 4095 4160 4320 4368 4407 4480 4520 4608 4680 4746 4914 4992 5040 5085 5120 5376 5424 5460 5616 5760 5824 5876 6048 6102 6240 6328 6552 6656 6720 6780 6912 7020 7119 7168 7232 7280 7345 7488 7560 7680 7910 8064 8136 8190 8320 8640 8736 8814 8960 9040 9216 9360 9492 9828 9984 10080 10170 10283 10752 10848 10920 11232 11520 11648 11752 11865 12096 12204 12285 12480 12656 13104 13221 13312 13440 13560 13824 14040 14238 14464 14560 14690 14976 15120 15255 15360 15820 16128 16272 16380 16640 17280 17472 17628 17920 18080 18720 18984 19656 19968 20160 20340 20566 21357 21504 21696 21840 22035 22464 23040 23296 23504 23730 24192 24408 24570 24960 25312 26208 26442 26880 27120 27648 28080 28476 28928 29120 29380 29952 30240 30510 30849 31640 32256 32544 32760 33280 34560 34944 35256 35595 35840 36160 37440 37968 39312 39663 39936 40320 40680 41132 42714 43392 43680 44070 44928 46080 46592 47008 47460 48384 48816 49140 49920 50624 51415 52416 52884 53760 54240 56160 56952 57856 58240 58760 59904 60480 61020 61698 63280 64512 65088 65520 66105 66560 69120 69888 70512 71190 72320 74880 75936 78624 79326 80640 81360 82264 85428 86784 87360 88140 89856 92547 93184 94016 94920 96768 97632 98280 99840 101248 102830 104832 105768 106785 107520 108480 112320 113904 115712 116480 117520 119808 120960 122040 123396 126560 130176 131040 132210 138240 139776 141024 142380 144640 149760 151872 154245 157248 158652 161280 162720 164528 170856 173568 174720 176280 179712 185094 188032 189840 193536 195264 196560 198315 199680 202496 205660 209664 211536 213570 216960 224640 227808 232960 235040 241920 244080 246792 253120 260352 262080 264420 277641 279552 282048 284760 289280 299520 303744 308490 314496 317304 322560 325440 329056 341712 347136 349440 352560 359424 370188 376064 379680 390528 393120 396630 404992 411320 419328 423072 427140 433920 449280 455616 462735 465920 470080 483840 488160 493584 506240 520704 524160 528840 555282 564096 569520 578560 599040 607488 616980 628992 634608 650880 658112 683424 698880 705120 740376 752128 759360 781056 786240 793260 809984 822640 838656 846144 854280 867840 898560 911232 925470 940160 967680 976320 987168 1012480 1041408 1048320 1057680 1110564 1128192 1139040 1214976 1233960 1257984 1269216 1301760 1316224 1366848 1388205 1397760 1410240 1480752 1504256 1518720 1562112 1572480 1586520 1645280 1692288 1708560 1735680 1797120 1822464 1850940 1880320 1952640 1974336 2024960 2096640 2115360 2221128 2256384 2278080 2429952 2467920 2515968 2538432 2603520 2632448 2733696 2776410 2820480 2961504 3037440 3124224 3144960 3173040 3290560 3384576 3417120 3644928 3701880 3760640 3905280 3948672 4049920 4193280 4230720 4442256 4512768 4556160 4935840 5076864 5207040 5264896 5467392 5552820 5640960 5923008 6074880 6289920 6346080 6581120 6769152 6834240 7289856 7403760 7521280 7810560 7897344 8461440 8884512 9112320 9871680 10153728 10529792 10934784 11105640 11281920 11846016 12149760 12579840 12692160 13162240 13538304 13668480 14807520 15621120 15794688 16922880 17769024 18224640 19743360 20307456 21869568 22211280 22563840 23692032 25384320 26324480 27336960 29615040 31589376 33845760 35538048 36449280 39486720 40614912 44422560 47384064 50768640 52648960 54673920 59230080 67691520 71076096 78973440 88845120 94768128 101537280 109347840 118460160 142152192 157946880 177690240 203074560 236920320 284304384 355380480 473840640 710760960 1421521920
• Sum of all divisors σ(n): 6272663040
• Sum of proper divisors (its aliquot sum) s(n): 4851141120
• 1421521920 is an abundant number, because the sum of its proper divisors (4851141120) is greater than itself. Its abundance is 3429619200

Bases of 1421521920

• Binary: 1010100101110101011010000000000₂
• Hexadecimal: 0x54BAB400
• Base-36: NIC5C0

Squares and roots of 1421521920

• 1421521920 squared (1421521920²) is 2020724569040486400
• 1421521920 cubed (1421521920³) is 2872504269173604785061888000
• The square root of 1421521920 is 37703.0757366027
• The cube root of 1421521920 is 1124.3922762119

Scales and comparisons

• 1,421,521,920 seconds is equal to 45 years, 10 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 1,421,521,920 would take you about ninety 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 1421521920 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421521920

• 1421521920 backwards is 0291251241
• 1421521920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1421521920's digits is 27
• More coming soon!