20990739168

Names of 20990739168

• Cardinal: 20990739168 can be written as Twenty billion, nine hundred ninety million, seven hundred thirty-nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0990739168 × 10¹⁰

Factors of 20990739168

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 221

Divisors of 20990739168

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 29 32 36 41 42 48 49 54 56 58 63 72 81 82 84 87 96 98 108 112 116 123 126 139 144 147 162 164 168 174 189 196 203 216 224 232 246 252 261 278 287 288 294 324 328 336 348 369 378 392 406 417 432 441 464 492 504 522 556 567 574 588 609 648 656 672 696 738 756 783 784 812 834 861 864 882 928 973 984 1008 1044 1107 1112 1134 1148 1176 1189 1218 1251 1296 1312 1323 1392 1421 1476 1512 1566 1568 1624 1668 1722 1764 1827 1946 1968 2009 2016 2088 2214 2224 2268 2296 2349 2352 2378 2436 2502 2583 2592 2646 2784 2842 2919 2952 3024 3132 3248 3321 3336 3444 3528 3567 3654 3753 3892 3936 3969 4018 4031 4176 4263 4428 4448 4536 4592 4698 4704 4756 4872 5004 5166 5292 5481 5684 5699 5838 5904 6027 6048 6264 6496 6642 6672 6811 6888 7056 7134 7308 7506 7749 7784 7938 8036 8062 8323 8352 8526 8757 8856 9072 9184 9396 9512 9744 10008 10332 10584 10701 10962 11259 11368 11398 11676 11808 12054 12093 12528 12789 13284 13344 13622 13776 14112 14268 14616 15012 15498 15568 15876 16072 16124 16443 16646 17052 17097 17514 17712 18081 18144 18792 19024 19488 20016 20433 20664 21168 21402 21924 22518 22736 22796 23247 23352 24108 24186 24969 25056 25578 26271 26568 27244 27552 28217 28536 29232 30024 30996 31136 31752 32103 32144 32248 32886 33292 34104 34194 35028 35424 36162 36279 37584 38048 38367 39893 40032 40866 41328 42336 42804 43848 45036 45472 45592 46494 46704 48216 48372 49938 51156 51291 52542 53136 54243 54488 56434 57072 58261 58464 60048 61299 61992 63504 64206 64288 64496 65772 66584 68208 68388 70056 72324 72558 74907 75168 76734 78813 79786 81732 82656 84651 85608 87696 90072 91184 92988 93408 96309 96432 96744 99876 102312 102582 105084 106272 108486 108837 108976 112868 114144 115101 116522 119679 120096 122598 123984 127008 128412 128992 131544 133168 136416 136776 140112 144648 145116 149814 153468 153873 157626 159572 162729 163464 165271 169302 171216 174783 175392 180144 182368 183897 185976 192618 192864 193488 197519 199752 204624 205164 210168 216972 217674 217952 224721 225736 230202 233044 239358 245196 247968 253953 256824 263088 266336 273552 279251 280224 289296 290232 299628 306936 307746 315252 319144 325458 326511 326928 330542 338604 342432 349566 359037 360288 367794 371952 385236 386976 395038 399504 409248 410328 420336 433944 435348 449442 451472 460404 461619 466088 478716 490392 495813 507906 513648 524349 526176 547104 551691 558502 578592 580464 592557 599256 613872 615492 630504 638288 650916 653022 653856 661084 674163 677208 699132 718074 735588 743904 761859 770472 790076 799008 820656 837753 840672 867888 870696 898884 902944 920808 923238 932176 957432 980784 991626 1015812 1027296 1048698 1077111 1103382 1117004 1156897 1160928 1185114 1198512 1227744 1230984 1261008 1276576 1301832 1306044 1322168 1348326 1354416 1398264 1436148 1471176 1487439 1523718 1540944 1573047 1580152 1641312 1675506 1735776 1741392 1777671 1797768 1841616 1846476 1864352 1914864 1961568 1983252 2031624 2097396 2154222 2206764 2234008 2285577 2313794 2370228 2397024 2461968 2513259 2522016 2603664 2612088 2644336 2696652 2708832 2796528 2872296 2942352 2974878 3047436 3081888 3146094 3160304 3231333 3351012 3470691 3482784 3555342 3595536 3683232 3692952 3829728 3966504 4063248 4194792 4308444 4413528 4462317 4468016 4571154 4627588 4719141 4740456 4923936 5026518 5207328 5224176 5288672 5333013 5393304 5593056 5744592 5884704 5949756 6094872 6292188 6320608 6462666 6702024 6941382 7110684 7191072 7385904 7539777 7933008 8098279 8126496 8389584 8616888 8827056 8924634 8936032 9142308 9255176 9438282 9480912 10053036 10412073 10448352 10666026 10786608 11489184 11899512 12189744 12584376 12925332 13386951 13404048 13882764 14221368 14771808 15079554 15866016 15999039 16196558 16779168 17233776 17654112 17849268 18284616 18510352 18876564 18961824 20106072 20824146 21332052 21573216 22619331 23799024 24294837 24379488 25168752 25850664 26773902 26808096 27765528 28442736 30159108 31236219 31998078 32393116 34467552 35698536 36569232 37020704 37753128 40212144 41648292 42664104 45238662 47598048 48589674 50337504 51701328 53547804 55531056 56885472 60318216 62472438 63996156 64786232 71397072 72884511 73138464 75506256 80424288 83296584 85328208 90477324 93708657 97179348 103402656 107095608 111062112 120636432 124944876 127992312 129572464 142794144 145769022 151012512 166593168 170656416 180954648 187417314 194358696 214191216 218653533 241272864 249889752 255984624 259144928 291538044 333186336 361909296 374834628 388717392 428382432 437307066 499779504 511969248 583076088 655960599 723818592 749669256 777434784 874614132 999559008 1166152176 1311921198 1499338512 1749228264 2332304352 2623842396 2998677024 3498456528 5247684792 6996913056 10495369584 20990739168
• Sum of all divisors σ(n): 76647740400
• Sum of proper divisors (its aliquot sum) s(n): 55657001232
• 20990739168 is an abundant number, because the sum of its proper divisors (55657001232) is greater than itself. Its abundance is 34666262064

Bases of 20990739168

• Binary: 10011100011001001010100001011100000₂
• Hexadecimal: 0x4E32542E0
• Base-36: 9N5CE00

Squares and roots of 20990739168

• 20990739168 squared (20990739168²) is 440611130819009332224
• 20990739168 cubed (20990739168³) is 9248753321539351108871841349632
• The square root of 20990739168 is 144881.8110323031
• The cube root of 20990739168 is 2758.5185622543

Scales and comparisons

• 20,990,739,168 seconds is equal to 667 years, 22 weeks, 6 days, 8 hours, 52 minutes, 48 seconds.
• To count from 1 to 20,990,739,168 would take you about one thousand, three hundred thirty-four 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 20990739168 cubic inches would be around 229.9 feet tall.

Recreational maths with 20990739168

• 20990739168 backwards is 86193709902
• 20990739168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20990739168's digits is 54
• More coming soon!