990949243648

Names of 990949243648

• Cardinal: 990949243648 can be written as Nine hundred ninety billion, nine hundred forty-nine million, two hundred forty-three thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 9.90949243648 × 10¹¹

Factors of 990949243648

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 259

Divisors of 990949243648

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 61 64 79 91 97 98 104 112 122 128 158 169 182 194 196 208 224 244 256 316 338 364 388 392 416 427 448 488 553 632 637 676 679 728 776 784 793 832 854 896 976 1027 1106 1183 1261 1264 1274 1352 1358 1456 1552 1568 1586 1664 1708 1792 1952 2054 2212 2366 2522 2528 2548 2704 2716 2912 2989 3104 3136 3172 3328 3416 3871 3904 4108 4424 4732 4753 4819 5044 5056 5096 5408 5432 5551 5824 5917 5978 6208 6272 6344 6832 7189 7663 7742 7808 8216 8281 8827 8848 9464 9506 9638 10088 10112 10192 10309 10816 10864 11102 11648 11834 11956 12416 12544 12688 13351 13664 14378 15326 15484 15616 16393 16432 16562 17654 17696 18928 19012 19276 20176 20224 20384 20618 21632 21728 22204 23296 23668 23912 24832 25376 26702 27328 28756 30652 30968 32786 32864 33124 33733 35308 35392 37856 38024 38552 38857 40352 40768 41236 41419 43264 43456 44408 47336 47824 50323 50752 53404 53641 54656 57512 61304 61789 61936 62647 65572 65728 66248 67466 70616 70784 72163 75712 76048 76921 77104 77714 80704 81536 82472 82838 86912 88816 93457 94672 95648 99619 100646 101504 106808 107282 109312 114751 115024 122608 123578 123872 125294 131144 131456 132496 134932 141232 141568 144326 151424 152096 153842 154208 155428 161408 163072 164944 165676 173824 177632 186914 189344 191296 199238 201292 203008 213616 214564 229502 230048 236131 245216 247156 247744 250588 262288 262912 264992 269864 282464 288652 289933 302848 304192 307684 308416 310856 322816 329888 331352 355264 373828 375487 378688 382592 398476 402584 427232 429128 438529 459004 460096 467443 472262 490432 494312 495488 501176 505141 524576 529984 538447 539728 564928 577304 579866 608384 615368 616832 621712 654199 659776 662704 697333 710528 747656 750974 757376 765184 796952 803257 805168 814411 854464 858256 877058 918008 920192 934886 944524 980864 988624 990976 999973 1002352 1010282 1049152 1059968 1076894 1079456 1129856 1154608 1159732 1216768 1230736 1233664 1243424 1295047 1308398 1319552 1325408 1394666 1421056 1495312 1501948 1514752 1593904 1606514 1610336 1628822 1708928 1716512 1754116 1836016 1840384 1869772 1889048 1961728 1977248 1999946 2004704 2020564 2098304 2119936 2153788 2158912 2259712 2309216 2319464 2461472 2486848 2590094 2616796 2639104 2650816 2789332 2990624 3003896 3069703 3187808 3213028 3220672 3257644 3272101 3417856 3433024 3508232 3672032 3739544 3769129 3778096 3954496 3999892 4009408 4041128 4196608 4307576 4317824 4618432 4638928 4881331 4922944 4973696 5180188 5233592 5301632 5578664 5700877 5981248 6007792 6076759 6139406 6375616 6426056 6441344 6515288 6544202 6866048 6999811 7016464 7344064 7479088 7538258 7556192 7908992 7999784 8018816 8082256 8615152 8635648 9065329 9236864 9277856 9762662 9845888 9947392 10360376 10467184 10603264 11157328 11401754 11962496 12015584 12153518 12278812 12751232 12852112 12882688 13030576 13088404 13732096 13999622 14032928 14688128 14958176 15076516 15112384 15817984 15999568 16037632 16164512 17230304 18130658 18473728 18555712 19525324 19691776 20720752 20934368 22314656 22803508 22904707 23924992 24031168 24307036 24557624 25502464 25704224 26061152 26176808 27999244 28065856 29376256 29916352 30153032 30224768 31999136 32329024 34460608 36261316 37111424 39050648 39906139 41441504 41868736 42537313 44629312 45607016 45809414 48062336 48614072 48998677 49115248 51408448 52122304 52353616 55998488 56131712 59832704 60306064 60449536 63457303 63998272 64658048 68921216 72522632 74222848 78101296 78997867 79812278 82883008 83737472 85074626 89258624 91214032 91618828 96124672 97228144 97997354 98230496 102816896 104244608 104707232 111996976 112263424 119665408 120612128 126914606 127996544 129316096 137842432 145045264 156202592 157995734 159624556 165766016 167474944 170149252 178517248 182428064 183237656 194456288 195994708 196460992 205633792 208489216 209414464 223993952 241224256 253829212 255993088 290090528 297761191 312405184 315991468 319249112 331532032 340298504 364856128 366475312 388912576 391989416 392921984 418828928 447987904 482448512 507658424 552985069 580181056 595522382 624810368 631982936 638498224 680597008 729712256 732950624 777825152 783978832 785843968 837657856 895975808 964897024 1015316848 1105970138 1160362112 1191044764 1249620736 1263965872 1276996448 1361194016 1459424512 1465901248 1555650304 1567957664 1791951616 2030633696 2211940276 2320724224 2382089528 2527931744 2553992896 2722388032 2931802496 3135915328 3870895483 4061267392 4423880552 4764179056 5055863488 5107985792 5444776064 5863604992 6271830656 7741790966 8122534784 8847761104 9528358112 10111726976 10215971584 10889552128 12543661312 15483581932 16245069568 17695522208 19056716224 20223453952 30967163864 35391044416 38113432448 61934327728 70782088832 76226864896 123868655456 141564177664 247737310912 495474621824 990949243648
• Sum of all divisors σ(n): 2590923545280
• Sum of proper divisors (its aliquot sum) s(n): 1599974301632
• 990949243648 is an abundant number, because the sum of its proper divisors (1599974301632) is greater than itself. Its abundance is 609025057984

Bases of 990949243648

• Binary: 1110011010111001001011010111101100000000₂
• Hexadecimal: 0xE6B92D7B00
• Base-36: CN8HLDZ4

Squares and roots of 990949243648

• 990949243648 squared (990949243648²) is 981980403486543268347904
• 990949243648 cubed (990949243648³) is 973092738112147913915381367326113792
• The square root of 990949243648 is 995464.3356986729
• The cube root of 990949243648 is 9969.7393337341

Scales and comparisons

• 990,949,243,648 seconds is equal to 31,509 years, 6 weeks, 1 day, 22 hours, 47 minutes, 28 seconds.
• To count from 1 to 990,949,243,648 would take you about sixty-three thousand and eighteen 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 990949243648 cubic inches would be around 830.8 feet tall.

Recreational maths with 990949243648

• 990949243648 backwards is 846342949099
• The number of decimal digits it has is: 12
• The sum of 990949243648's digits is 67
• More coming soon!