20378161440

Names of 20378161440

• Cardinal: 20378161440 can be written as Twenty billion, three hundred seventy-eight million, one hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.037816144 × 10¹⁰

Factors of 20378161440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 534

Divisors of 20378161440

• Number of divisors d(n): 960
• 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 37 39 40 42 45 48 52 54 56 60 63 65 70 72 74 78 80 81 84 90 91 96 104 105 108 111 112 117 120 126 130 135 140 144 148 156 160 162 168 180 182 185 189 195 208 210 216 222 224 234 240 252 259 260 270 273 280 288 296 312 315 324 333 336 351 360 364 370 378 390 405 416 420 432 444 455 467 468 480 481 504 518 520 540 546 555 560 567 585 592 624 630 648 666 672 702 720 728 740 756 777 780 810 819 840 864 888 910 934 936 945 962 999 1008 1036 1040 1053 1080 1092 1110 1120 1134 1170 1184 1248 1260 1295 1296 1332 1365 1401 1404 1440 1443 1456 1480 1512 1554 1560 1620 1638 1665 1680 1755 1776 1820 1868 1872 1890 1924 1998 2016 2072 2080 2106 2160 2184 2220 2268 2331 2335 2340 2405 2457 2520 2590 2592 2664 2730 2802 2808 2835 2886 2912 2960 2997 3024 3108 3120 3240 3269 3276 3330 3360 3367 3510 3552 3640 3736 3744 3780 3848 3885 3996 4095 4144 4203 4212 4320 4329 4368 4440 4536 4662 4670 4680 4810 4914 4995 5040 5180 5265 5328 5460 5604 5616 5670 5772 5920 5994 6048 6071 6216 6240 6480 6538 6552 6660 6734 6993 7005 7020 7215 7280 7371 7472 7560 7696 7770 7992 8190 8288 8406 8424 8658 8736 8880 9072 9324 9340 9360 9620 9807 9828 9990 10080 10101 10360 10530 10656 10920 11208 11232 11340 11544 11655 11988 12142 12285 12432 12609 12960 12987 13076 13104 13320 13468 13986 14010 14040 14430 14560 14742 14944 14985 15120 15392 15540 15984 16345 16380 16812 16835 16848 17279 17316 17760 18144 18213 18648 18680 18720 19240 19614 19656 19980 20202 20720 20979 21015 21060 21645 21840 22416 22680 23088 23310 23976 24284 24570 24864 25218 25974 26152 26208 26640 26936 27972 28020 28080 28860 29421 29484 29970 30240 30303 30355 31080 31968 32690 32760 33624 33670 33696 34558 34632 34965 36426 36855 37296 37360 37827 38480 38961 39228 39312 39960 40404 41440 41958 42030 42120 42497 43290 43680 44832 45360 46176 46620 47952 48568 49035 49140 50436 50505 51837 51948 52304 53280 53872 54639 55944 56040 56160 57720 58842 58968 59940 60606 60710 62160 63045 64935 65380 65520 67248 67340 69116 69264 69930 72852 73710 74592 74720 75654 76960 77922 78456 78624 79920 80808 83916 84060 84240 84994 86395 86580 88263 90720 90909 91065 93240 95904 97136 98070 98280 100872 101010 103674 103896 104608 104895 107744 109278 111888 112080 115440 117684 117936 119880 120953 121212 121420 124320 126090 127491 129870 130760 131040 134496 134680 138232 138528 139860 145704 147105 147420 151308 151515 155511 155844 156912 159840 161616 163917 167832 168120 168480 169988 172790 173160 176526 181818 182130 186480 189135 194272 194805 196140 196560 201744 202020 207348 207792 209790 212485 218556 223776 224160 224627 230880 235368 235872 239760 241906 242424 242840 252180 254982 259185 259740 261520 264789 269360 272727 273195 276464 279720 291408 294210 294840 302616 303030 311022 311688 313824 323232 327834 335664 336240 339976 345580 346320 353052 362859 363636 364260 372960 378270 382473 389610 392280 393120 403488 404040 414696 415584 419580 424970 437112 441315 449254 454545 466533 470736 479520 483812 484848 485680 491751 504360 509964 518370 519480 523040 529578 538720 545454 546390 552928 559440 582816 588420 589680 604765 605232 606060 622044 623376 637455 655668 671328 672480 673881 679952 691160 692640 706104 725718 727272 728520 756540 764946 777555 779220 784560 808080 819585 829392 839160 849940 874224 882630 898508 909090 933066 941472 967624 969696 971360 983502 1008720 1019928 1036740 1038960 1059156 1088577 1090908 1092780 1118880 1123135 1147419 1176840 1179360 1209530 1210464 1212120 1244088 1246752 1274910 1311336 1323945 1347762 1359904 1363635 1382320 1399599 1412208 1451436 1454544 1457040 1513080 1529892 1555110 1558440 1569120 1572389 1616160 1639170 1658784 1678320 1699880 1748448 1765260 1797016 1814295 1818180 1866132 1912365 1935248 1967004 2017440 2021643 2039856 2073480 2077920 2118312 2177154 2181816 2185560 2246270 2294838 2332665 2353680 2419060 2424240 2458755 2488176 2549820 2622672 2647890 2695524 2727270 2764640 2799198 2824416 2902872 2909088 2914080 3026160 3059784 3110220 3116880 3144778 3265731 3278340 3356640 3369405 3399760 3442257 3530520 3594032 3628590 3636360 3732264 3824730 3870496 3934008 4043286 4079712 4146960 4236624 4354308 4363632 4371120 4492540 4589676 4665330 4707360 4717167 4838120 4848480 4917510 4976352 5099640 5245344 5295780 5391048 5442885 5454540 5598396 5737095 5805744 6052320 6064929 6119568 6220440 6233760 6289556 6531462 6556680 6738810 6799520 6884514 6997995 7061040 7188064 7257180 7272720 7464528 7649460 7861945 7868016 8086572 8293920 8473248 8708616 8727264 8742240 8985080 9179352 9330660 9434334 9676240 9797193 9835020 10108215 10199280 10591560 10782096 10885770 10909080 11196792 11474190 11611488 12129858 12239136 12440880 12579112 13062924 13113360 13477620 13769028 13995990 14122080 14151501 14514360 14545440 14929056 15298920 15723890 15736032 16173144 16328655 17211285 17417232 17970160 18194787 18358704 18661320 18868668 19352480 19594386 19670040 20216430 20398560 21183120 21564192 21771540 21818160 22393584 22948380 23585835 24259716 24881760 25158224 26125848 26226720 26955240 27538056 27991980 28303002 29028720 30324645 30597840 31447780 32346288 32657310 34422570 34834464 35940320 36389574 36717408 37322640 37737336 39188772 39340080 40432860 42366240 42454503 43543080 43636320 44787168 45896760 47171670 48519432 48985965 50316448 52251696 53910480 55076112 55983960 56606004 58057440 60649290 61195680 62895560 64692576 65314620 68845140 70757505 72779148 74645280 75474672 78377544 78680160 80865720 84909006 87086160 90973935 91793520 94343340 97038864 97971930 104503392 107820960 110152224 111967920 113212008 121298580 125791120 127363509 130629240 137690280 141515010 145558296 150949344 156755088 161731440 169818012 174172320 181947870 183587040 188686680 194077728 195943860 212272515 223935840 226424016 242597160 251582240 254727018 261258480 275380560 283030020 291116592 313510176 323462880 339636024 363895740 377373360 391887720 424545030 452848032 485194320 509454036 522516960 550761120 566060040 582233184 636817545 679272048 727791480 754746720 783775440 849090060 970388640 1018908072 1132120080 1273635090 1358544096 1455582960 1567550880 1698180120 2037816144 2264240160 2547270180 2911165920 3396360240 4075632288 5094540360 6792720480 10189080720 20378161440
• Sum of all divisors σ(n): 91101314304
• Sum of proper divisors (its aliquot sum) s(n): 70723152864
• 20378161440 is an abundant number, because the sum of its proper divisors (70723152864) is greater than itself. Its abundance is 50344991424

Bases of 20378161440

• Binary: 10010111110101000100001000100100000₂
• Hexadecimal: 0x4BEA21120
• Base-36: 9D0MQ00

Squares and roots of 20378161440

• 20378161440 squared (20378161440²) is 415269463674702873600
• 20378161440 cubed (20378161440³) is 8462428171865310802252713984000
• The square root of 20378161440 is 142752.0978479827
• The cube root of 20378161440 is 2731.4190424797

Scales and comparisons

• 20,378,161,440 seconds is equal to 647 years, 50 weeks, 8 hours, 24 minutes.
• To count from 1 to 20,378,161,440 would take you about one thousand, two hundred ninety-five 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 20378161440 cubic inches would be around 227.6 feet tall.

Recreational maths with 20378161440

• 20378161440 backwards is 04416187302
• 20378161440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20378161440's digits is 36
• More coming soon!