20490867072

Names of 20490867072

• Cardinal: 20490867072 can be written as Twenty billion, four hundred ninety million, eight hundred sixty-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 2.0490867072 × 10¹⁰

Factors of 20490867072

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 192

Divisors of 20490867072

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 23 24 26 31 32 36 38 39 46 48 52 57 62 64 69 72 76 78 92 93 96 101 104 114 117 124 128 138 144 152 156 171 184 186 192 202 207 208 228 234 247 248 276 279 288 299 303 304 312 342 368 372 384 403 404 414 416 437 456 468 494 496 552 558 576 589 598 606 608 624 684 713 736 741 744 806 808 828 832 874 897 909 912 936 988 992 1104 1116 1152 1178 1196 1209 1212 1216 1248 1311 1313 1368 1426 1472 1482 1488 1612 1616 1656 1664 1748 1767 1794 1818 1824 1872 1919 1976 1984 2139 2208 2223 2232 2323 2356 2392 2418 2424 2432 2496 2622 2626 2691 2736 2852 2944 2964 2976 3131 3224 3232 3312 3496 3534 3588 3627 3636 3648 3744 3838 3933 3939 3952 3968 4278 4416 4446 4464 4646 4712 4784 4836 4848 4992 5244 5252 5301 5382 5472 5681 5704 5757 5928 5952 6262 6417 6448 6464 6624 6969 6992 7068 7176 7254 7272 7296 7488 7657 7676 7866 7878 7904 8556 8832 8892 8928 9269 9292 9393 9424 9568 9672 9696 10488 10504 10602 10764 10944 11362 11408 11514 11817 11856 11904 12524 12834 12896 12928 13248 13547 13938 13984 14136 14352 14508 14544 14976 15314 15352 15732 15756 15808 17043 17112 17271 17784 17856 18538 18584 18786 18848 19136 19344 19392 20907 20976 21008 21204 21528 21888 22724 22816 22971 23028 23634 23712 24947 25048 25668 25792 26496 27094 27807 27876 27968 28179 28272 28704 29016 29088 30199 30628 30704 31464 31512 31616 34086 34224 34542 35568 35712 37076 37168 37572 37696 38272 38688 38784 40641 40703 41814 41952 42016 42408 43056 44137 45448 45632 45942 46056 47268 47424 49894 50096 51129 51336 51584 54188 55614 55752 55936 56358 56544 57408 58032 58176 59489 60398 61256 61408 62928 63024 68172 68448 68913 69084 71136 72013 74152 74336 74841 75144 75392 77376 81282 81406 83421 83628 83904 84032 84816 86112 88274 90597 90896 91264 91884 92112 94536 94848 99788 100192 102258 102672 108376 111228 111504 112716 113088 114816 116064 116352 118978 120796 121923 122109 122512 122816 125856 126048 132411 136344 136896 137826 138168 142272 144026 148304 148672 149682 150288 154752 162564 162812 166842 167256 167808 168064 169632 172224 176111 176548 178467 181194 181792 183768 184224 189072 199576 200384 204516 205344 216039 216752 222456 223008 224523 225432 226176 232128 237956 241592 243846 244218 245024 245632 251712 252096 264822 271791 272688 273792 275652 276336 284544 288052 296608 297344 299364 300576 325128 325624 333684 334512 339264 344448 352222 353096 356934 362388 363584 366327 367536 368448 378144 397233 399152 400768 409032 410688 432078 433504 444912 446016 449046 450864 464256 475912 483184 487692 488436 490048 503424 504192 528333 529644 535401 543582 545376 551304 552672 573781 576104 593216 598728 601152 648117 650256 651248 667368 669024 678528 704444 706192 713868 724776 727168 732654 735072 736896 756288 773357 794466 798304 818064 821376 864156 867008 889824 892032 898092 901728 936169 951824 966368 975384 976872 980096 1056666 1059288 1070802 1087164 1090752 1102608 1105344 1147562 1152208 1186432 1197456 1202304 1296234 1300512 1302496 1334736 1338048 1368247 1408888 1412384 1427736 1449552 1465308 1470144 1512576 1546714 1584999 1588932 1596608 1636128 1721343 1728312 1734016 1779648 1796184 1803456 1872338 1903648 1932736 1950768 1953744 2113332 2118576 2141604 2174328 2181504 2205216 2210688 2295124 2304416 2320071 2394912 2592468 2601024 2604992 2669472 2676096 2736494 2808507 2817776 2824768 2855472 2899104 2930616 2940288 3093428 3169998 3177864 3193216 3272256 3442686 3456624 3559296 3592368 3606912 3744676 3807296 3865472 3901536 3907488 4104741 4226664 4237152 4283208 4348656 4410432 4590248 4608832 4640142 4789824 5164029 5184936 5202048 5209984 5338944 5472988 5617014 5635552 5649536 5710944 5798208 5861232 6186856 6339996 6355728 6544512 6885372 6913248 6960213 7184736 7489352 7614592 7803072 7814976 8209482 8425521 8453328 8474304 8566416 8697312 8820864 9180496 9217664 9280284 9579648 10328058 10369872 10677888 10945976 11234028 11271104 11421888 11596416 11722464 12314223 12373712 12679992 12711456 13770744 13826496 13920426 14369472 14978704 15606144 15629952 16418964 16851042 16906656 16948608 17132832 17394624 17787211 18360992 18560568 20656116 20739744 21891952 22468056 22542208 22843776 23444928 24628446 24747424 25359984 25422912 27541488 27652992 27840852 28738944 29957408 32837928 33702084 33813312 34265664 34789248 35574422 36721984 37121136 41312232 41479488 43783904 44936112 46889856 49256892 49494848 50719968 50845824 53361633 55082976 55681704 59914816 65675856 67404168 67626624 68531328 71148844 73443968 74242272 82624464 82958976 87567808 89872224 98513784 98989696 101439936 106723266 110165952 111363408 119829632 131351712 134808336 142297688 148484544 160084899 165248928 175135616 179744448 197027568 202879872 213446532 220331904 222726816 262703424 269616672 284595376 296969088 320169798 330497856 359488896 394055136 426893064 445453632 525406848 539233344 569190752 640339596 660995712 788110272 853786128 890907264 1078466688 1138381504 1280679192 1576220544 1707572256 2276763008 2561358384 3415144512 5122716768 6830289024 10245433536 20490867072
• Sum of all divisors σ(n): 72711475200
• Sum of proper divisors (its aliquot sum) s(n): 52220608128
• 20490867072 is an abundant number, because the sum of its proper divisors (52220608128) is greater than itself. Its abundance is 31729741056

Bases of 20490867072

• Binary: 10011000101010110011101000110000000₂
• Hexadecimal: 0x4C559D180
• Base-36: 9EVQE80

Squares and roots of 20490867072

• 20490867072 squared (20490867072²) is 419875633362373853184
• 20490867072 cubed (20490867072³) is 8603615790000211031961787957248
• The square root of 20490867072 is 143146.3135117353
• The cube root of 20490867072 is 2736.4453466093

Scales and comparisons

• 20,490,867,072 seconds is equal to 651 years, 28 weeks, 2 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 20,490,867,072 would take you about one thousand, three hundred 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 20490867072 cubic inches would be around 228 feet tall.

Recreational maths with 20490867072

• 20490867072 backwards is 27076809402
• The number of decimal digits it has is: 11
• The sum of 20490867072's digits is 45
• More coming soon!