20438870400

Names of 20438870400

• Cardinal: 20438870400 can be written as Twenty billion, four hundred thirty-eight million, eight hundred seventy thousand, four hundred.

Scientific notation

• Scientific notation: 2.04388704 × 10¹⁰

Factors of 20438870400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 641

Divisors of 20438870400

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 31 32 36 39 40 45 48 50 52 54 60 62 64 65 72 75 78 80 90 93 96 100 104 108 117 120 124 128 130 135 144 150 155 156 160 180 186 192 195 200 208 216 225 234 240 248 260 270 279 288 300 310 312 320 325 351 360 372 384 390 400 403 416 432 450 465 468 480 496 520 540 558 576 585 587 600 620 624 640 650 675 702 720 744 775 780 800 806 832 837 864 900 930 936 960 975 992 1040 1080 1116 1152 1170 1174 1200 1209 1240 1248 1300 1350 1395 1404 1440 1488 1550 1560 1600 1612 1664 1674 1728 1755 1761 1800 1860 1872 1920 1950 1984 2015 2080 2160 2232 2325 2340 2348 2400 2418 2480 2496 2600 2700 2790 2808 2880 2925 2935 2976 3100 3120 3200 3224 3348 3456 3510 3522 3600 3627 3720 3744 3900 3968 4030 4160 4185 4320 4464 4650 4680 4696 4800 4836 4960 4992 5200 5283 5400 5580 5616 5760 5850 5870 5952 6045 6200 6240 6448 6696 6975 7020 7044 7200 7254 7440 7488 7631 7800 8060 8320 8370 8640 8775 8805 8928 9300 9360 9392 9600 9672 9920 10075 10400 10566 10800 10881 11160 11232 11700 11740 11904 12090 12400 12480 12896 13392 13950 14040 14088 14400 14508 14675 14880 14976 15262 15600 15849 16120 16740 17280 17550 17610 17856 18135 18197 18600 18720 18784 19344 19840 20150 20800 20925 21132 21600 21762 22320 22464 22893 23400 23480 24180 24800 24960 25792 26415 26784 27900 28080 28176 28800 29016 29350 29760 30225 30524 31200 31698 32240 33480 35100 35220 35712 36270 36394 37200 37440 37568 38155 38688 40300 41600 41850 42264 43200 43524 44025 44640 44928 45786 46800 46960 48360 49600 51584 52830 53568 54405 54591 55800 56160 56352 58032 58700 59520 60450 61048 62400 63396 64480 66960 68679 70200 70440 72540 72788 74400 74880 75136 76310 77376 79245 80600 83700 84528 86400 87048 88050 89280 90675 90985 91572 93600 93920 96720 99200 105660 107136 108810 109182 111600 112320 112704 114465 116064 117400 120900 122096 124800 126792 128960 132075 133920 137358 140400 140880 145080 145576 148800 152620 154752 158490 161200 163773 167400 169056 174096 176100 178560 181350 181970 183144 187200 187840 190775 193440 206037 211320 217620 218364 223200 224640 225408 228930 232128 234800 236561 241800 244192 253584 257920 264150 267840 272025 272955 274716 280800 281760 290160 291152 297600 305240 316980 322400 327546 334800 338112 343395 348192 352200 362700 363940 366288 374400 375680 381550 386880 396225 412074 422640 435240 436728 446400 454925 457860 464256 469600 473122 483600 488384 491319 507168 528300 535680 544050 545910 549432 561600 563520 572325 580320 582304 610480 633960 644800 655092 669600 676224 686790 696384 704400 709683 725400 727880 732576 763100 773760 792450 818865 824148 845280 870480 873456 892800 909850 915720 939200 946244 967200 976768 982638 1014336 1030185 1056600 1088100 1091820 1098864 1123200 1127040 1144650 1160640 1164608 1182805 1220960 1267920 1289600 1310184 1339200 1364775 1373580 1392768 1408800 1419366 1450800 1455760 1465152 1526200 1584900 1637730 1648296 1690560 1716975 1740960 1746912 1819700 1831440 1878400 1892488 1934400 1965276 2028672 2060370 2113200 2129049 2176200 2183640 2197728 2289300 2321280 2329216 2365610 2441920 2456595 2535840 2620368 2678400 2729550 2747160 2817600 2838732 2901600 2911520 2930304 3052400 3169800 3275460 3296592 3381120 3433950 3481920 3493824 3548415 3639400 3662880 3784976 3868800 3930552 4094325 4120740 4226400 4258098 4352400 4367280 4395456 4578600 4731220 4883840 4913190 5071680 5150925 5240736 5459100 5494320 5635200 5677464 5803200 5823040 5914025 6104800 6339600 6387147 6550920 6593184 6867900 6963840 6987648 7096830 7278800 7325760 7569952 7861104 8188650 8241480 8452800 8516196 8704800 8734560 8790912 9157200 9462440 9826380 10143360 10301850 10481472 10645245 10918200 10988640 11354928 11606400 11646080 11828050 12209600 12282975 12679200 12774294 13101840 13186368 13735800 14193660 14557600 14651520 15139904 15722208 16377300 16482960 16905600 17032392 17409600 17469120 17742075 18314400 18924880 19652760 20603700 20962944 21290490 21836400 21977280 22709856 23656100 24419200 24565950 25358400 25548588 26203680 26372736 27471600 28387320 29115200 30279808 31444416 31935735 32754600 32965920 34064784 34819200 34938240 35484150 36628800 37849760 39305520 41207400 42580980 43672800 43954560 45419712 47312200 49131900 50716800 51097176 52407360 53226225 54943200 56774640 58230400 62888832 63871470 65509200 65931840 68129568 70968300 73257600 75699520 78611040 82414800 85161960 87345600 90839424 94624400 98263800 102194352 104814720 106452450 109886400 113549280 127742940 131018400 131863680 136259136 141936600 151399040 157222080 159678675 164829600 170323920 174691200 189248800 196527600 204388704 212904900 219772800 227098560 255485880 262036800 272518272 283873200 314444160 319357350 329659200 340647840 378497600 393055200 408777408 425809800 454197120 510971760 524073600 567746400 638714700 659318400 681295680 756995200 786110400 817554816 851619600 1021943520 1135492800 1277429400 1362591360 1572220800 1703239200 2043887040 2270985600 2554858800 3406478400 4087774080 5109717600 6812956800 10219435200 20438870400
• Sum of all divisors σ(n): 83294668800
• Sum of proper divisors (its aliquot sum) s(n): 62855798400
• 20438870400 is an abundant number, because the sum of its proper divisors (62855798400) is greater than itself. Its abundance is 42416928000

Bases of 20438870400

• Binary: 10011000010010000000110100110000000₂
• Hexadecimal: 0x4C2406980
• Base-36: 9E0RXC0

Squares and roots of 20438870400

• 20438870400 squared (20438870400²) is 417747423227996160000
• 20438870400 cubed (20438870400³) is 8538285443290963165937664000000
• The square root of 20438870400 is 142964.5774309147
• The cube root of 20438870400 is 2734.1287605025

Scales and comparisons

• 20,438,870,400 seconds is equal to 649 years, 46 weeks, 3 days.
• To count from 1 to 20,438,870,400 would take you about one thousand, two hundred ninety-nine 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 20438870400 cubic inches would be around 227.8 feet tall.

Recreational maths with 20438870400

• 20438870400 backwards is 00407883402
• 20438870400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20438870400's digits is 36
• More coming soon!