20998998400
20,998,998,400 is an even composite number composed of six prime numbers multiplied together.
20998998400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 20998998400:
27 × 52 × 17 × 43 × 47 × 191
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 17 × 43 × 47 × 191)See below for interesting mathematical facts about the number 20998998400 from the Numbermatics database.
Names of 20998998400
- Cardinal: 20998998400 can be written as Twenty billion, nine hundred ninety-eight million, nine hundred ninety-eight thousand, four hundred.
Scientific notation
- Scientific notation: 2.09989984 × 1010
Factors of 20998998400
Divisors of 20998998400
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 32 34 40 43 47 50 64 68 80 85 86 94 100 128 136 160 170 172 188 191 200 215 235 272 320 340 344 376 382 400 425 430 470 544 640 680 688 731 752 764 799 800 850 860 940 955 1075 1088 1175 1360 1376 1462 1504 1528 1598 1600 1700 1720 1880 1910 2021 2150 2176 2350 2720 2752 2924 3008 3056 3196 3200 3247 3400 3440 3655 3760 3820 3995 4042 4300 4700 4775 5440 5504 5848 6016 6112 6392 6494 6800 6880 7310 7520 7640 7990 8084 8213 8600 8977 9400 9550 10105 10880 11696 12224 12784 12988 13600 13760 14620 15040 15280 15980 16168 16235 16426 17200 17954 18275 18800 19100 19975 20210 23392 24448 25568 25976 27200 27520 29240 30080 30560 31960 32336 32470 32852 34357 34400 35908 36550 37600 38200 39950 40420 41065 44885 46784 50525 51136 51952 54400 58480 61120 63920 64672 64940 65704 68714 68800 71816 73100 75200 76400 79900 80840 81175 82130 89770 93568 101050 102272 103904 116960 122240 127840 129344 129880 131408 137428 137600 139621 143632 146200 150400 152609 152800 159800 161680 162350 164260 171785 179540 202100 205325 207808 224425 233920 255680 258688 259760 262816 274856 279242 287264 292400 305218 305600 319600 323360 324700 328520 343570 359080 386011 404200 410650 415616 448850 467840 511360 519520 525632 549712 558484 574528 584800 610436 611200 639200 646720 649400 657040 687140 698105 718160 763045 772022 808400 821300 858925 897700 1039040 1051264 1099424 1116968 1149056 1169600 1220872 1278400 1293440 1298800 1314080 1374280 1396210 1436320 1526090 1544044 1616800 1642600 1717850 1795400 1930055 2078080 2198848 2233936 2339200 2441744 2556800 2597600 2628160 2748560 2792420 2872640 3052180 3088088 3233600 3285200 3435700 3490525 3590800 3815225 3860110 4397696 4467872 4883488 5195200 5256320 5497120 5584840 5745280 6104360 6176176 6467200 6562187 6570400 6871400 6981050 7181600 7630450 7720220 8935744 9650275 9766976 10390400 10994240 11169680 12208720 12352352 13124374 13140800 13742800 13962100 14363200 15260900 15440440 17871488 19300550 19533952 21988480 22339360 24417440 24704704 26248748 26281600 27485600 27924200 28726400 30521800 30880880 32810935 38601100 44678720 48834880 49409408 52497496 54971200 55848400 61043600 61761760 65621870 77202200 89357440 97669760 104994992 109942400 111696800 122087200 123523520 131243740 154404400 164054675 209989984 223393600 244174400 247047040 262487480 308808800 328109350 419979968 446787200 488348800 524974960 617617600 656218700 839959936 1049949920 1235235200 1312437400 2099899840 2624874800 4199799680 5249749600 10499499200 20998998400
- Sum of all divisors σ(n): 57699164160
- Sum of proper divisors (its aliquot sum) s(n): 36700165760
- 20998998400 is an abundant number, because the sum of its proper divisors (36700165760) is greater than itself. Its abundance is 15701167360
Bases of 20998998400
- Binary: 100111000111010001101001001100000002
- Hexadecimal: 0x4E3A34980
- Base-36: 9NA9EV4
Squares and roots of 20998998400
- 20998998400 squared (209989984002) is 440957933803202560000
- 20998998400 cubed (209989984003) is 9259674946400756472315904000000
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The
square root of 20998998400 is 144910.3115723651 -
The
cube root of 20998998400 is 2758.8803131685
Scales and comparisons
How big is 20998998400?- 20,998,998,400 seconds is equal to 667 years, 36 weeks, 3 days, 23 hours, 6 minutes, 40 seconds.
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To count from 1 to 20,998,998,400 would take you about one thousand, three hundred thirty-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 20998998400 cubic inches would be around 229.9 feet tall.
Recreational maths with 20998998400
- 20998998400 backwards is 00489989902
- The number of decimal digits it has is: 11
- The sum of 20998998400's digits is 58
- More coming soon!
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