21345079140

Names of 21345079140

• Cardinal: 21345079140 can be written as Twenty-one billion, three hundred forty-five million, seventy-nine thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.134507914 × 10¹⁰

Factors of 21345079140

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 257

Divisors of 21345079140

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 28 30 31 33 35 36 42 44 45 47 49 55 60 62 63 66 70 77 84 90 93 94 98 99 105 110 124 126 132 140 141 147 151 154 155 165 180 186 188 196 198 210 217 220 231 235 245 252 279 282 294 302 308 310 315 329 330 341 372 385 396 420 423 434 441 453 462 465 470 490 495 517 539 558 564 588 604 620 630 651 658 660 682 693 705 735 755 770 846 868 882 906 924 930 940 980 987 990 1023 1034 1057 1078 1085 1116 1155 1260 1302 1316 1359 1364 1386 1395 1410 1457 1470 1510 1519 1540 1551 1617 1645 1661 1692 1705 1764 1812 1860 1953 1974 1980 2046 2068 2114 2115 2156 2170 2205 2265 2303 2310 2387 2585 2604 2695 2718 2772 2790 2820 2914 2940 2961 3020 3038 3069 3102 3171 3234 3255 3290 3322 3410 3465 3619 3906 3948 4092 4228 4230 4340 4371 4410 4530 4557 4606 4620 4653 4681 4774 4851 4935 4983 5115 5170 5285 5390 5436 5580 5828 5922 6076 6138 6204 6342 6468 6510 6580 6644 6795 6820 6909 6930 7097 7161 7238 7285 7399 7595 7755 7812 8085 8305 8460 8742 8820 9060 9114 9212 9306 9362 9513 9548 9702 9765 9870 9966 10199 10230 10340 10570 10780 10857 11515 11627 11844 11935 12276 12684 13020 13113 13590 13671 13818 13860 14043 14194 14322 14476 14570 14798 14805 14949 15190 15345 15510 15855 16027 16170 16610 16709 17484 18095 18228 18612 18724 19026 19404 19530 19740 19932 20398 20460 20727 21140 21291 21483 21714 21855 22197 22785 23030 23254 23265 23405 23870 24255 24915 25333 26226 27180 27342 27636 28086 28388 28644 29140 29596 29610 29898 30380 30597 30690 31020 31710 32054 32340 32571 32767 33220 33418 34545 34881 35485 35805 36190 36995 38052 39060 40796 41454 42129 42582 42966 43428 43710 44394 45570 46060 46508 46530 46810 47565 47740 48081 48510 49679 49830 50127 50666 50995 51491 52452 54285 54684 56172 58135 59220 59796 61194 61380 63420 63873 64108 65142 65534 65565 66591 66836 68355 69090 69762 70215 70970 71393 71610 72380 73990 74745 75999 78067 80135 81389 82908 83545 84258 85164 85932 87420 88788 91140 91791 93060 93620 95130 96162 97020 98301 99358 99660 100254 101332 101990 102982 103635 104643 106455 107415 108570 110985 112189 116270 122388 126665 127746 130284 131068 131130 133182 136710 138180 139524 140430 141940 142786 143220 144243 147980 149037 149490 150381 151998 152985 154473 156134 160270 162778 162855 163835 167090 168516 174405 183582 190260 192324 196602 198716 200508 203980 205964 207270 209286 210645 212910 214179 214830 217140 220007 221970 224378 227997 229369 232540 234201 240405 244167 248395 250635 253330 255492 257455 262260 266364 273420 280860 285572 288486 294903 298074 298980 300762 303996 305970 308946 312268 319365 320540 325556 325710 327670 332955 334180 336567 347753 348810 356965 360437 367164 379995 390335 393204 406945 414540 418572 421290 425820 428358 429660 440014 443940 447111 448756 455994 458738 458955 463419 468402 480810 488334 491505 496790 501270 506660 514910 523215 546469 560945 576972 589806 596148 601524 611940 617892 638730 642537 651420 655340 660021 665910 673134 688107 695506 697620 702603 713930 720874 721215 732501 745185 751905 759990 772365 780670 785323 813890 842580 856716 880028 894222 911988 917476 917910 926838 936804 961620 976668 983010 993580 1002540 1009701 1029820 1043259 1046430 1070895 1081311 1092938 1100035 1121890 1139985 1146845 1171005 1179612 1220835 1277460 1285074 1320042 1331820 1346268 1376214 1391012 1405206 1427860 1441748 1442430 1465002 1474515 1490370 1503810 1519980 1540049 1544730 1561340 1570646 1627780 1639407 1682835 1738765 1788444 1802185 1835820 1853676 1966020 1980063 2019402 2064321 2086518 2092860 2141790 2162622 2185876 2200070 2235555 2243780 2279970 2293690 2317095 2342010 2355969 2420077 2441670 2523059 2570148 2640084 2732345 2752428 2810412 2884860 2930004 2949030 2980740 3007620 3080098 3089460 3129777 3141292 3212685 3243933 3278814 3300105 3365670 3440535 3477530 3513015 3604370 3662505 3825283 3926615 3960126 4038804 4128642 4173036 4283580 4325244 4400140 4471110 4559940 4587380 4620147 4634190 4684020 4711938 4840154 4883340 4918221 5046118 5048505 5216295 5406555 5464690 5898060 6160196 6259554 6425370 6487866 6557628 6600210 6731340 6881070 6955060 7026030 7067907 7208740 7260231 7325010 7569177 7650566 7700245 7853230 7920252 8197035 8257284 8942220 9240294 9268380 9423876 9680308 9836442 9900315 10092236 10097010 10321605 10432590 10780343 10813110 10929380 11475849 11779845 12100385 12519108 12615295 12850740 12975732 13200420 13762140 13860441 14052060 14135814 14520462 14650020 15138354 15301132 15400490 15648885 15706460 16219665 16394070 16940539 18480588 19126415 19672884 19800630 20194020 20643210 20865180 21560686 21626220 21780693 22707531 22951698 23100735 23559690 24200770 24591105 25230590 27720882 28271628 29040924 30276708 30800980 31297770 32341029 32439330 32788140 33881078 34427547 35339535 36301155 37845885 38252830 39601260 41286420 43121372 43561386 45415062 45903396 46201470 47119380 48401540 49182210 50461180 50821617 53901715 55441764 57379245 62595540 64682058 64878660 67762156 68855094 69302205 70679070 72602310 75691770 76505660 84702695 87122772 90830124 92402940 97023087 98364420 101643234 107803430 108903465 113537655 114758490 118583773 129364116 137710188 138604410 141358140 145204620 151383540 152464851 161705145 169405390 172137735 194046174 203286468 215606860 217806930 227075310 229516980 237167546 254108085 277208820 304929702 323410290 338810780 344275470 355751319 388092348 435613860 454150620 474335092 485115435 508216170 592918865 609859404 646820580 688550940 711502638 762324255 970230870 1016432340 1067253957 1185837730 1423005276 1524648510 1778756595 1940461740 2134507914 2371675460 3049297020 3557513190 4269015828 5336269785 7115026380 10672539570 21345079140
• Sum of all divisors σ(n): 87193387008
• Sum of proper divisors (its aliquot sum) s(n): 65848307868
• 21345079140 is an abundant number, because the sum of its proper divisors (65848307868) is greater than itself. Its abundance is 44503228728

Bases of 21345079140

• Binary: 10011111000010001000000111101100100₂
• Hexadecimal: 0x4F8440F64
• Base-36: 9T0B4H0

Squares and roots of 21345079140

• 21345079140 squared (21345079140²) is 455612403492863139600
• 21345079140 cubed (21345079140³) is 9725082809720776139950867944000
• The square root of 21345079140 is 146099.5521553711
• The cube root of 21345079140 is 2773.9540094817

Scales and comparisons

• 21,345,079,140 seconds is equal to 678 years, 36 weeks, 5 days, 12 hours, 39 minutes.
• To count from 1 to 21,345,079,140 would take you about one thousand, three hundred fifty-seven 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 21345079140 cubic inches would be around 231.2 feet tall.

Recreational maths with 21345079140

• 21345079140 backwards is 04197054312
• 21345079140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21345079140's digits is 36
• More coming soon!