20998878208

Names of 20998878208

• Cardinal: 20998878208 can be written as Twenty billion, nine hundred ninety-eight million, eight hundred seventy-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.0998878208 × 10¹⁰

Factors of 20998878208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 122

Divisors of 20998878208

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 31 32 44 56 62 64 71 77 88 112 121 124 128 142 154 176 217 224 242 248 256 284 308 341 352 434 448 484 496 497 512 568 616 682 704 781 847 868 896 968 992 994 1024 1136 1232 1331 1364 1408 1562 1694 1736 1792 1936 1984 1988 2201 2272 2387 2464 2662 2728 2816 3124 3388 3472 3584 3751 3872 3968 3976 4402 4544 4774 4928 5324 5456 5467 5632 6248 6776 6944 7168 7502 7744 7936 7952 8591 8804 9088 9317 9548 9856 10648 10912 10934 11264 12496 13552 13888 15004 15407 15488 15872 15904 17182 17608 18176 18634 19096 19712 21296 21824 21868 24211 24992 26257 27104 27776 30008 30814 30976 31744 31808 34364 35216 36352 37268 38192 39424 41261 42592 43648 43736 48422 49984 52514 54208 55552 60016 60137 61628 61952 63616 68728 70432 72704 74536 76384 78848 82522 85184 87296 87472 94501 96844 99968 105028 108416 111104 120032 120274 123256 123904 127232 137456 140864 149072 152768 165044 169477 170368 174592 174944 189002 193688 199936 210056 216832 222208 240064 240548 246512 254464 266321 274912 281728 288827 298144 305536 330088 338954 340736 349184 349888 378004 387376 399872 420112 433664 480128 481096 493024 508928 532642 549824 563456 577654 596288 611072 660176 661507 677908 681472 699776 756008 774752 799744 840224 867328 960256 962192 986048 1065284 1099648 1126912 1155308 1192576 1222144 1320352 1323014 1355816 1362944 1399552 1512016 1549504 1680448 1864247 1920512 1924384 1972096 2130568 2199296 2253824 2310616 2385152 2444288 2640704 2646028 2711632 2799104 2929531 3024032 3099008 3360896 3728494 3841024 3848768 3944192 4261136 4398592 4621232 4770304 5281408 5292056 5423264 5598208 5859062 6048064 6198016 6721792 7456988 7697536 7888384 8522272 8797184 9242464 9540608 10562816 10584112 10846528 11718124 12096128 12396032 13443584 14913976 15395072 15776768 17044544 18484928 20506717 21125632 21168224 21693056 23436248 24192256 24792064 26887168 29827952 30790144 34089088 36969856 41013434 42251264 42336448 43386112 46872496 48384512 59655904 61580288 68178176 73939712 82026868 84672896 86772224 93744992 96769024 119311808 136356352 147879424 164053736 169345792 173544448 187489984 238623616 272712704 295758848 328107472 338691584 374979968 477247232 656214944 677383168 749959936 954494464 1312429888 1499919872 1908988928 2624859776 2999839744 5249719552 10499439104 20998878208
• Sum of all divisors σ(n): 55237165056
• Sum of proper divisors (its aliquot sum) s(n): 34238286848
• 20998878208 is an abundant number, because the sum of its proper divisors (34238286848) is greater than itself. Its abundance is 13239408640

Bases of 20998878208

• Binary: 10011100011101000010111010000000000₂
• Hexadecimal: 0x4E3A17400
• Base-36: 9NA6U4G

Squares and roots of 20998878208

• 20998878208 squared (20998878208²) is 440952885994417291264
• 20998878208 cubed (20998878208³) is 9259515948462877667181998374912
• The square root of 20998878208 is 144909.8968600833
• The cube root of 20998878208 is 2758.8750494893

Scales and comparisons

• 20,998,878,208 seconds is equal to 667 years, 36 weeks, 2 days, 13 hours, 43 minutes, 28 seconds.
• To count from 1 to 20,998,878,208 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 20998878208 cubic inches would be around 229.9 feet tall.

Recreational maths with 20998878208

• 20998878208 backwards is 80287889902
• The number of decimal digits it has is: 11
• The sum of 20998878208's digits is 61
• More coming soon!