991663873473312

Names of 991663873473312

• Cardinal: 991663873473312 can be written as Nine hundred ninety-one trillion, six hundred sixty-three billion, eight hundred seventy-three million, four hundred seventy-three thousand, three hundred twelve.

Scientific notation

• Scientific notation: 9.91663873473312 × 10¹⁴

Factors of 991663873473312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3102

Divisors of 991663873473312

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 47 48 52 72 78 94 96 104 117 141 144 156 169 188 208 234 282 288 312 338 376 416 423 468 507 564 611 624 676 752 846 936 1014 1128 1222 1248 1352 1504 1521 1692 1833 1872 2028 2209 2256 2444 2704 3037 3042 3384 3666 3744 4056 4418 4512 4888 5408 5499 6074 6084 6627 6768 7332 7943 8112 8836 9111 9776 10998 12148 12168 13254 13536 14664 15886 16224 17672 18222 19552 19881 21996 23829 24296 24336 26508 27333 28717 29328 31772 35344 36444 39481 39762 43992 47658 48592 48672 53016 54666 57434 58656 63544 70688 71487 72888 78962 79524 86151 87984 95316 97184 106032 109332 114868 118443 127088 142739 142974 145776 157924 159048 172302 175968 190632 212064 218664 229736 236886 254176 258453 285478 285948 291552 315848 318096 344604 355329 373321 381264 428217 437328 459472 473772 513253 516906 570956 571896 631696 636192 689208 710658 746642 762528 856434 874656 918944 947544 1026506 1033812 1119963 1141912 1143792 1263392 1284651 1378416 1421316 1493284 1539759 1712868 1855607 1895088 2053012 2067624 2239926 2283824 2287584 2569302 2756832 2842632 2986568 3079518 3359889 3425736 3711214 3790176 4106024 4135248 4479852 4567648 4619277 5138604 5566821 5685264 5973136 6159036 6708733 6719778 6851472 7422428 8212048 8270496 8959704 9223369 9238554 10277208 11133642 11370528 11946272 12318072 13417466 13439556 13702944 14844856 16424096 16700463 17919408 18446738 18477108 20126199 20554416 22267284 24122891 24636144 26834932 26879112 27670107 29689712 33400926 35838816 36893476 36954216 40252398 41108832 44534568 48245782 49272288 53669864 53758224 55340214 59379424 60378597 66801852 72368673 73786952 73908432 80504796 83010321 87213529 89069136 96491564 107339728 107516448 110680428 119903797 120757194 133603704 144737346 147573904 147816864 161009592 166020642 174427058 178138272 192983128 214679456 217106019 221360856 239807594 241514388 261640587 267207408 289474692 295147808 322019184 332041284 348854116 359711391 385966256 433498343 434212038 442721712 479615188 483028776 523281174 534414816 578949384 644038368 664082568 697708232 719422782 771932512 784921761 866996686 868424076 885443424 959230376 966057552 1046562348 1079134173 1133775877 1157898768 1300495029 1328165136 1395416464 1438845564 1558749361 1569843522 1733993372 1736848152 1918460752 1932115104 2093124696 2158268346 2267551754 2315797536 2600990058 2656330272 2790832928 2877691128 3117498722 3139687044 3401327631 3467986744 3473696304 3836921504 3901485087 4186249392 4316536692 4535103508 4676248083 5201980116 5635478459 5755382256 6234997444 6279374088 6802655262 6935973488 6947392608 7802970174 8372498784 8633073384 9070207016 9352496166 10203982893 10403960232 11270956918 11510764512 12469994888 12558748176 13605310524 13871946976 14028744249 15605940348 16906435377 17266146768 18140414032 18704992332 20374422121 20407965786 20807920464 22541913836 24939989776 25117496352 27210621048 28057488498 31211880696 33812870754 34532293536 36280828064 37409984664 40748844242 40815931572 41615840928 45083827672 49879979552 50719306131 54421242096 56114976996 61123266363 62423761392 67625741508 73261219967 74819969328 81497688484 81631863144 90167655344 101438612262 108842484192 112229953992 122246532726 124847522784 135251483016 146522439934 149639938656 162995376968 163263726288 180335310688 183369799089 202877224524 219783659901 224459907984 244493065452 264867487573 270502966032 293044879868 325990753936 326527452576 366739598178 405754449048 439567319802 448919815968 488986130904 529734975146 541005932064 586089759736 651981507872 659350979703 733479196356 794602462719 811508898096 879134639604 977972261808 1059469950292 1172179519472 1318701959406 1466958392712 1589204925438 1623017796192 1758269279208 1955944523616 2118939900584 2344359038944 2383807388157 2637403918812 2933916785424 3178409850876 3443277338449 3516538558416 4237879801168 4767614776314 5274807837624 5867833570848 6356819701752 6886554676898 7033077116832 8475759602336 9535229552628 10329832015347 10549615675248 12713639403504 13773109353796 19070459105256 20659664030694 21099231350496 25427278807008 27546218707592 30989496046041 38140918210512 41319328061388 55092437415184 61978992092082 76281836421024 82638656122776 110184874830368 123957984184164 165277312245552 247915968368328 330554624491104 495831936736656 991663873473312
• Sum of all divisors σ(n): 3121038737776323
• Sum of proper divisors (its aliquot sum) s(n): 2129374864303011
• 991663873473312 is an abundant number, because the sum of its proper divisors (2129374864303011) is greater than itself. Its abundance is 1137710990829699

Bases of 991663873473312

• Binary: 11100001011110100110111100111010100011101100100000₂
• Hexadecimal: 0x385E9BCEA3B20
• Base-36: 9RIK3E9HK0

Squares and roots of 991663873473312

• 991663873473312 squared (991663873473312²) is 983397237952092951338776249344
• 991663873473312 cubed (991663873473312³) is 975199514150528798070192409488943613441507328
• The square root of 991663873473312 is 31490695.0300134215
• The cube root of 991663873473312 is 99721.3533976611

Scales and comparisons

• 991,663,873,473,312 seconds is equal to 31,531,843 years, 39 weeks, 3 days, 3 hours, 55 minutes, 12 seconds.
• To count from 1 to 991,663,873,473,312 would take you about seventy-eight million, eight hundred twenty-nine thousand, six hundred nine 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 991663873473312 cubic inches would be around 8310.1 feet tall.

Recreational maths with 991663873473312

• 991663873473312 backwards is 213374378366199
• 991663873473312 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 991663873473312's digits is 72
• More coming soon!