20813788800

Names of 20813788800

• Cardinal: 20813788800 can be written as Twenty billion, eight hundred thirteen million, seven hundred eighty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.08137888 × 10¹⁰

Factors of 20813788800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 60

Divisors of 20813788800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 28 30 32 35 36 40 42 43 45 48 49 50 56 60 63 64 70 72 75 80 84 86 90 96 98 100 105 112 120 126 128 129 140 144 147 150 160 168 172 175 180 192 196 200 210 215 224 225 240 245 252 258 280 288 294 300 301 315 320 336 343 344 350 360 384 387 392 400 420 430 441 448 450 480 490 504 516 525 560 576 588 600 602 630 640 645 672 686 688 700 720 735 774 784 800 840 860 882 896 900 903 960 980 1008 1029 1032 1050 1075 1120 1152 1176 1200 1204 1225 1260 1290 1344 1372 1376 1400 1440 1470 1505 1548 1568 1575 1600 1680 1715 1720 1764 1800 1806 1920 1935 1960 2016 2058 2064 2100 2107 2150 2205 2240 2352 2400 2401 2408 2450 2520 2580 2688 2709 2744 2752 2800 2880 2940 3010 3087 3096 3136 3150 3200 3225 3360 3430 3440 3528 3600 3612 3675 3870 3920 4032 4116 4128 4200 4214 4300 4410 4480 4515 4704 4800 4802 4816 4900 5040 5145 5160 5418 5488 5504 5600 5760 5880 6020 6174 6192 6272 6300 6321 6450 6720 6860 6880 7056 7200 7203 7224 7350 7525 7740 7840 8064 8232 8256 8400 8428 8575 8600 8820 9030 9408 9600 9604 9632 9675 9800 10080 10290 10320 10535 10836 10976 11025 11200 11760 12005 12040 12348 12384 12600 12642 12900 13440 13545 13720 13760 14112 14400 14406 14448 14700 14749 15050 15435 15480 15680 16464 16512 16800 16807 16856 17150 17200 17640 18060 18816 18963 19208 19264 19350 19600 20160 20580 20640 21070 21609 21672 21952 22050 22400 22575 23520 24010 24080 24696 24768 25200 25284 25725 25800 27090 27440 27520 28224 28800 28812 28896 29400 29498 30100 30870 30960 31360 31605 32928 33600 33614 33712 34300 34400 35280 36015 36120 37926 38416 38528 38700 39200 40320 41160 41280 42140 43218 43344 43904 44100 44247 45150 47040 48020 48160 49392 49536 50400 50421 50568 51450 51600 52675 54180 54880 56448 57624 57792 58800 58996 60025 60200 61740 61920 63210 65856 67200 67228 67424 67725 68600 68800 70560 72030 72240 73745 75852 76832 77175 77400 78400 82320 82560 84035 84280 86436 86688 88200 88494 90300 94080 94815 96040 96320 98784 100800 100842 101136 102900 103200 103243 105350 108045 108360 109760 115248 115584 117600 117992 120050 120400 123480 123840 126420 131712 132741 134456 134848 135450 137200 137600 141120 144060 144480 147490 151263 151704 153664 154350 154800 156800 158025 164640 168070 168560 172872 173376 176400 176988 180075 180600 189630 192080 192640 197568 201600 201684 202272 205800 206400 206486 210700 216090 216720 219520 221235 230496 235200 235984 240100 240800 246960 247680 252105 252840 265482 268912 269696 270900 274400 282240 288120 288960 294980 302526 303408 307328 308700 309600 309729 316050 329280 336140 337120 345744 346752 352800 353976 360150 361200 368725 379260 384160 395136 403368 404544 411600 412800 412972 420175 421400 432180 433440 442470 460992 470400 471968 474075 480200 481600 493920 504210 505680 516215 530964 537824 540225 541800 548800 576240 577920 589960 605052 606816 617400 619200 619458 632100 658560 663705 672280 674240 691488 705600 707952 720300 722400 722701 737450 756315 758520 768320 806736 809088 823200 825944 840350 842800 864360 866880 884940 921984 929187 943936 948150 960400 963200 987840 1008420 1011360 1032430 1061928 1075648 1080450 1083600 1097600 1106175 1152480 1179920 1210104 1213632 1234800 1238400 1238916 1260525 1264200 1327410 1344560 1348480 1382976 1411200 1415904 1440600 1444800 1445402 1474900 1512630 1517040 1536640 1548645 1613472 1646400 1651888 1680700 1685600 1728720 1733760 1769880 1858374 1887872 1896300 1920800 1975680 2016840 2022720 2064860 2123856 2151296 2160900 2167200 2168103 2212350 2304960 2359840 2420208 2427264 2469600 2477832 2521050 2528400 2581075 2654820 2689120 2765952 2831808 2881200 2889600 2890804 2949800 3025260 3034080 3097290 3226944 3292800 3303776 3318525 3361400 3371200 3457440 3539760 3613505 3716748 3781575 3792600 3841600 4033680 4045440 4129720 4247712 4321800 4334400 4336206 4424700 4609920 4645935 4719680 4840416 4939200 4955664 5042100 5056800 5162150 5309640 5378240 5663616 5762400 5781608 5899600 6050520 6068160 6194580 6453888 6504309 6607552 6637050 6722800 6742400 6914880 7079520 7227010 7433496 7563150 7585200 7683200 7743225 8067360 8259440 8495424 8643600 8668800 8672412 8849400 9291870 9439360 9680832 9878400 9911328 10084200 10113600 10324300 10619280 10756480 10840515 11524800 11563216 11799200 12101040 12136320 12389160 13008618 13215104 13274100 13445600 13829760 14159040 14454020 14866992 15126300 15170400 15486450 16134720 16518880 16990848 17287200 17344824 17698800 18067525 18583740 19361664 19822656 20168400 20227200 20648600 21238560 21681030 23049600 23126432 23229675 23598400 24202080 24778320 26017236 26548200 26891200 28318080 28908040 29733984 30252600 30340800 30972900 32269440 32521545 33037760 34574400 34689648 35397600 36135050 37167480 39645312 40336800 41297200 42477120 43362060 46252864 46459350 47196800 48404160 49556640 52034472 53096400 53782400 54202575 57816080 59467968 60505200 60681600 61945800 65043090 66075520 69148800 69379296 70795200 72270100 74334960 80673600 82594400 84954240 86724120 92505728 92918700 96808320 99113280 104068944 106192800 108405150 115632160 118935936 121010400 123891600 130086180 138758592 141590400 144540200 148669920 161347200 162607725 165188800 173448240 185837400 198226560 208137888 212385600 216810300 231264320 242020800 247783200 260172360 277517184 289080400 297339840 325215450 330377600 346896480 371674800 416275776 424771200 433620600 462528640 484041600 495566400 520344720 578160800 594679680 650430900 693792960 743349600 832551552 867241200 991132800 1040689440 1156321600 1300861800 1387585920 1486699200 1734482400 2081378880 2312643200 2601723600 2973398400 3468964800 4162757760 5203447200 6937929600 10406894400 20813788800
• Sum of all divisors σ(n): 88660709280
• Sum of proper divisors (its aliquot sum) s(n): 67846920480
• 20813788800 is an abundant number, because the sum of its proper divisors (67846920480) is greater than itself. Its abundance is 47033131680

Bases of 20813788800

• Binary: 10011011000100110010011011010000000₂
• Hexadecimal: 0x4D8993680
• Base-36: 9K7ZQ80

Squares and roots of 20813788800

• 20813788800 squared (20813788800²) is 433213804211005440000
• 20813788800 cubed (20813788800³) is 9016820626092417863811072000000
• The square root of 20813788800 is 144269.8471614911
• The cube root of 20813788800 is 2750.7453098323

Scales and comparisons

• 20,813,788,800 seconds is equal to 661 years, 42 weeks, 2 days, 8 hours.
• To count from 1 to 20,813,788,800 would take you about one thousand, three hundred twenty-three 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 20813788800 cubic inches would be around 229.2 feet tall.

Recreational maths with 20813788800

• 20813788800 backwards is 00888731802
• 20813788800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20813788800's digits is 45
• More coming soon!