990123856974

Names of 990123856974

• Cardinal: 990123856974 can be written as Nine hundred ninety billion, one hundred twenty-three million, eight hundred fifty-six thousand, nine hundred seventy-four.

Scientific notation

• Scientific notation: 9.90123856974 × 10¹¹

Factors of 990123856974

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 252

Divisors of 990123856974

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 19 21 27 34 38 42 47 49 51 54 57 63 94 98 102 114 119 126 133 141 147 153 157 171 189 238 266 282 294 306 314 323 329 342 357 378 399 423 441 459 471 513 646 658 714 798 799 833 846 882 893 918 931 942 969 987 1026 1071 1099 1197 1269 1323 1413 1598 1666 1786 1862 1938 1974 2142 2198 2261 2303 2394 2397 2499 2538 2646 2669 2679 2793 2826 2907 2961 2983 3213 3297 3591 4239 4522 4606 4794 4998 5338 5358 5586 5593 5814 5922 5966 6251 6426 6594 6783 6909 7182 7191 7379 7497 7693 8007 8037 8379 8478 8721 8883 8949 9891 11186 12502 13566 13818 14382 14758 14994 15181 15386 15827 16014 16074 16758 16779 17442 17766 17898 18683 18753 19782 20349 20727 20881 21573 22137 22491 23079 24021 24111 24649 25137 26847 29673 30362 31654 33558 37366 37506 39151 40698 41454 41762 43146 43757 44274 44982 45543 46158 47481 48042 48222 49298 50274 50337 50711 51653 53694 56049 56259 59346 61047 62181 62643 66411 69237 72063 73947 78302 80541 87514 91086 94962 100674 101422 103306 106267 112098 112518 117453 122094 124362 125286 125443 130781 131271 132822 136629 138474 140201 142443 144126 146167 147894 151011 152133 154959 161082 168147 168777 172543 187929 199233 207711 212534 221841 234906 250886 261562 262542 273258 280402 284886 292334 302022 304266 309918 318801 336294 337554 345086 352359 354977 361571 375858 376329 392343 393813 398466 409887 415422 419033 420603 427329 438501 443682 456399 464877 468331 504441 517629 563787 637602 665523 704718 709954 723142 743869 752658 784686 787626 819774 838066 841206 854658 877002 878101 912798 929754 936662 956403 981407 1008882 1035258 1057077 1064931 1084713 1127574 1128987 1158503 1177029 1181439 1207801 1257099 1261809 1315503 1331046 1369197 1394631 1404993 1487738 1552887 1756202 1912806 1962814 2114154 2129862 2169426 2231607 2257974 2317006 2354058 2362878 2383417 2415602 2484839 2514198 2523618 2631006 2634303 2738394 2789262 2809986 2869209 2933231 2944221 3105774 3194793 3254139 3278317 3386961 3475509 3531087 3623403 3771297 3785427 3946509 4214979 4463214 4658661 4766834 4969678 5268606 5738418 5866462 5888442 6146707 6389586 6508278 6556634 6694821 6773922 6869849 6951018 7062174 7150251 7246806 7454517 7542594 7570854 7893018 7902909 7961627 8109521 8429958 8799693 8832663 9317322 9584379 9762417 9834951 10426527 10870209 11313891 12293414 12644937 13389642 13739698 14300502 14909034 15805818 15923254 16219042 16683919 17599386 17665326 18440121 19168758 19524834 19669902 19694551 20084463 20532617 20609547 20853054 21450753 21740418 22011557 22363551 22627782 22948219 23708727 23884881 24328563 25289874 26399079 26497989 29504853 31279581 32610627 33367838 36880242 39389102 40168926 41065234 41219094 42901506 44023114 44727102 45896438 47417454 47769762 48657126 50051757 52798158 52995978 55320363 55731389 56766647 59009706 59083653 61597851 61828641 62559162 64352259 65221254 66034671 67090653 68844657 71654643 72985689 79197237 88514559 100103514 110640726 111462778 113533294 116787433 118167306 123195702 123657282 128704518 132069342 134181306 137689314 137861857 143309286 145971378 150155271 154080899 158394474 165961089 167194167 170299941 177029118 177250959 184793553 185485923 198104013 206533971 214963929 218957067 233574866 275723714 300310542 308161798 331922178 334388334 340599882 350362299 354501918 369587106 370971846 374196469 390119723 396208026 413067942 413585571 429927858 437914134 450465813 462242697 501582501 510899823 531752877 554380659 594312039 619601913 700724598 748392938 780239446 827171142 900931626 924485394 965032999 1003165002 1021799646 1051086897 1063505754 1078566293 1108761318 1122589407 1170359169 1188624078 1239203826 1240756713 1386728091 1504747503 1532699469 1930065998 2102173794 2157132586 2245178814 2340718338 2481513426 2619375283 2773456182 2895098997 3009495006 3065398938 3153260691 3235698879 3367768221 3511077507 3722270139 4160184273 5238750566 5790197994 6306521382 6471397758 6735536442 7022155014 7444540278 7858125849 8320368546 8685296991 9707096637 10103304663 10533232521 15716251698 17370593982 18335626981 19414193274 20206609326 21066465042 23574377547 26055890973 29121289911 36671253962 47148755094 52111781946 55006880943 58242579822 70723132641 110013761886 141446265282 165020642829 330041285658 495061928487 990123856974
• Sum of all divisors σ(n): 2932068326400
• Sum of proper divisors (its aliquot sum) s(n): 1941944469426
• 990123856974 is an abundant number, because the sum of its proper divisors (1941944469426) is greater than itself. Its abundance is 951820612452

Bases of 990123856974

• Binary: 1110011010000111111110110001010001001110₂
• Hexadecimal: 0xE687FB144E
• Base-36: CMUU6HJI

Squares and roots of 990123856974

• 990123856974 squared (990123856974²) is 980345252149070008436676
• 990123856974 cubed (990123856974³) is 970663222223985759160468361159978424
• The square root of 990123856974 is 995049.6756313225
• The cube root of 990123856974 is 9966.9705488937

Scales and comparisons

• 990,123,856,974 seconds is equal to 31,482 years, 45 weeks, 3 days, 20 hours, 42 minutes, 54 seconds.
• To count from 1 to 990,123,856,974 would take you about sixty-two thousand, nine hundred sixty-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 990123856974 cubic inches would be around 830.6 feet tall.

Recreational maths with 990123856974

• 990123856974 backwards is 479658321099
• 990123856974 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990123856974's digits is 63
• More coming soon!