21462390180

Names of 21462390180

• Cardinal: 21462390180 can be written as Twenty-one billion, four hundred sixty-two million, three hundred ninety thousand, one hundred eighty.

Scientific notation

• Scientific notation: 2.146239018 × 10¹⁰

Factors of 21462390180

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 423

Divisors of 21462390180

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 17 18 20 21 22 27 28 29 30 33 34 35 36 42 44 45 51 54 55 58 60 63 66 68 70 77 81 84 85 87 90 99 102 105 108 110 116 119 126 132 135 140 145 153 154 162 165 170 174 180 187 189 198 203 204 210 220 231 238 252 255 261 270 290 297 306 308 315 319 324 330 340 348 349 357 374 378 385 396 405 406 420 435 459 462 476 493 495 510 522 540 561 567 580 594 595 609 612 630 638 660 693 698 714 748 756 765 770 783 810 812 870 891 918 924 935 945 957 986 990 1015 1020 1044 1047 1071 1122 1134 1155 1188 1190 1218 1260 1276 1305 1309 1377 1386 1396 1428 1479 1485 1530 1540 1566 1595 1620 1683 1740 1745 1782 1785 1827 1836 1870 1890 1914 1972 1980 2030 2079 2094 2142 2233 2244 2268 2295 2310 2349 2380 2436 2443 2465 2610 2618 2754 2772 2805 2835 2871 2958 2970 3045 3060 3132 3141 3190 3213 3366 3451 3465 3490 3564 3570 3654 3740 3780 3828 3839 3915 3927 4060 4158 4188 4284 4437 4455 4466 4590 4620 4698 4785 4886 4930 5049 5220 5235 5236 5355 5423 5481 5508 5610 5670 5742 5916 5933 5940 6090 6237 6282 6380 6426 6545 6699 6732 6885 6902 6930 6980 7140 7308 7329 7395 7678 7830 7854 8316 8415 8613 8874 8910 8932 9135 9180 9396 9423 9570 9639 9772 9860 10098 10121 10353 10395 10470 10710 10846 10962 11165 11220 11340 11484 11517 11745 11781 11866 12180 12215 12474 12564 12852 13090 13311 13398 13770 13804 13860 14355 14658 14790 15147 15356 15660 15705 15708 16065 16269 16443 16830 17226 17255 17748 17799 17820 18270 18846 19140 19195 19278 19635 20097 20196 20242 20706 20790 20940 21420 21692 21924 21987 22185 22330 23034 23490 23562 23732 24430 24948 25245 25839 26180 26622 26796 26873 27115 27405 27540 28269 28710 29316 29580 29665 30294 30363 31059 31185 31410 32130 32538 32886 33495 33660 34452 34510 34551 35343 35598 36540 36645 37692 37961 38390 38556 39270 39933 40194 40484 41412 41531 41580 43065 43974 44370 44660 46068 46980 47115 47124 48195 48807 48860 50490 50605 51678 51765 53244 53397 53746 54230 54810 56538 57420 57585 58905 59330 60291 60588 60726 62118 62370 62820 64260 65076 65263 65772 65961 66555 66990 69020 69102 70686 70847 71196 73290 75735 75922 76780 78540 79866 80388 80619 81345 82215 83062 86130 87948 88740 88995 91089 93177 94230 96390 97614 100485 100980 101210 103356 103530 103653 106029 106794 107492 108460 109620 109935 111331 113076 113883 115170 117810 118660 120582 121452 124236 124593 124740 129195 130526 131922 133110 133980 134365 138204 141345 141372 141694 146421 146580 151470 151815 151844 155295 159732 160191 161238 162690 164430 166124 172057 172260 172755 176715 177990 180873 182178 186354 188460 189805 192780 195228 195789 197883 199665 200970 202420 207060 207306 207655 212058 212541 213588 219870 222662 227766 230340 235620 241164 241857 244035 249186 258390 261052 263844 266220 266985 268730 273267 279531 282690 283388 292842 301455 302940 303630 310590 310959 320382 322476 325380 326315 328860 329805 333993 341649 344114 345510 353430 354235 355980 361746 364356 372708 373779 379610 391578 395766 399330 401940 403095 414612 415310 424116 425082 439263 439740 445324 455445 455532 456841 465885 480573 483714 488070 498372 516171 516780 518265 530145 533970 537460 546534 556655 559062 565380 569415 585684 587367 602910 607260 621180 621918 622965 637623 640764 652630 659610 667986 683298 688228 691020 706860 708470 723492 725571 732105 747558 759220 779317 783156 791532 798660 800955 806190 819801 830620 850164 860285 878526 904365 910890 913682 931770 961146 967428 976140 978945 989415 1001979 1024947 1032342 1036530 1060290 1062705 1067940 1093068 1113310 1118124 1121337 1138830 1174734 1204399 1205820 1209285 1243836 1245930 1275246 1305260 1319220 1335972 1366335 1366596 1370523 1397655 1416940 1451142 1464210 1495116 1548513 1554795 1558634 1601910 1612380 1639602 1669965 1708245 1720570 1757052 1762101 1808730 1821780 1827364 1863540 1868895 1892627 1912869 1922292 1957890 1978830 2003958 2049894 2064684 2073060 2120580 2125410 2176713 2196315 2226620 2242674 2277660 2284205 2337951 2349468 2402865 2408798 2418570 2491860 2550492 2580855 2732670 2741046 2795310 2902284 2928420 2936835 3005937 3074841 3097026 3109590 3117268 3188115 3203820 3279204 3339930 3364011 3416490 3441140 3524202 3613197 3617460 3627855 3737790 3785254 3825738 3896585 3915780 3957660 4007916 4099005 4099788 4111569 4250820 4353426 4392630 4485348 4568410 4645539 4675902 4805730 4817596 4837140 5009895 5124735 5161710 5286303 5465340 5482092 5590620 5606685 5677881 5738607 5873670 6011874 6021995 6149682 6194052 6219180 6376230 6679860 6728022 6832980 6852615 7013853 7048404 7226394 7255710 7475580 7570508 7651476 7742565 7793170 8198010 8223138 8706852 8785260 8810505 9017811 9136820 9291078 9351804 9463135 9564345 9611460 10019790 10249470 10323420 10572606 10839591 10883565 11213370 11355762 11477214 11689755 11747340 12023748 12043990 12299364 12334707 12752460 13248389 13456044 13705230 13936617 14027706 14452788 14511420 15029685 15374205 15485130 15586340 16396020 16446276 16820055 17033643 17621010 18035622 18065985 18582156 18926270 19128690 20039580 20498940 20557845 21041559 21145212 21679182 21767130 22426740 22711524 22954428 23227695 23379510 24087980 24669414 26431515 26496778 27410460 27873234 28055412 28389405 28693035 30059370 30748410 30970260 32518773 33640110 34067286 35069265 35242020 36071244 36131970 37004121 37852540 38257380 39745167 41115690 42083118 43358364 43534260 45089055 46455390 46759020 49338828 51100929 52863030 52993556 54197955 55746468 56778810 57386070 60118740 61496820 61673535 63124677 65037546 66241945 67280220 68134572 69683085 70138530 72263940 74008242 79490334 82231380 84166236 85168215 90178110 92910780 97556319 102201858 105207795 105726060 108395910 113557620 114772140 119235501 123347070 126249354 130075092 132483890 139366170 140277060 148016484 153302787 158980668 162593865 170336430 180356220 185020605 195112638 198725835 204403716 210415590 216791820 238471002 246694140 252498708 255504645 264967780 278732340 306605574 315623385 325187730 340672860 357706503 370041210 390225276 397451670 420831180 476942004 487781595 511009290 596177505 613211148 631246770 650375460 715413006 740082420 766513935 794903340 975563190 1022018580 1073119509 1192355010 1262493540 1430826012 1533027870 1788532515 1951126380 2146239018 2384710020 3066055740 3577065030 4292478036 5365597545 7154130060 10731195090 21462390180
• Sum of all divisors σ(n): 92207808000
• Sum of proper divisors (its aliquot sum) s(n): 70745417820
• 21462390180 is an abundant number, because the sum of its proper divisors (70745417820) is greater than itself. Its abundance is 49283027640

Bases of 21462390180

• Binary: 10011111111010000100001010110100100₂
• Hexadecimal: 0x4FF4215A4
• Base-36: 9UY5I90

Squares and roots of 21462390180

• 21462390180 squared (21462390180²) is 460634192238560432400
• 21462390180 cubed (21462390180³) is 9886310764073111641678313832000
• The square root of 21462390180 is 146500.4784292529
• The cube root of 21462390180 is 2779.0265461517

Scales and comparisons

• 21,462,390,180 seconds is equal to 682 years, 22 weeks, 5 days, 7 hours, 3 minutes.
• To count from 1 to 21,462,390,180 would take you about one thousand, three hundred sixty-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 21462390180 cubic inches would be around 231.6 feet tall.

Recreational maths with 21462390180

• 21462390180 backwards is 08109326412
• 21462390180 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21462390180's digits is 36
• More coming soon!