1991146831008

Names of 1991146831008

• Cardinal: 1991146831008 can be written as One trillion, nine hundred ninety-one billion, one hundred forty-six million, eight hundred thirty-one thousand and eight.

Scientific notation

• Scientific notation: 1.991146831008 × 10¹²

Factors of 1991146831008

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 397

Divisors of 1991146831008

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 29 32 38 43 48 57 58 61 76 86 87 96 113 114 116 122 127 129 152 172 174 183 226 228 232 244 254 258 304 339 344 348 366 381 452 456 464 488 508 516 551 608 678 688 696 732 762 817 904 912 928 976 1016 1032 1102 1159 1247 1356 1376 1392 1464 1524 1634 1653 1769 1808 1824 1952 2032 2064 2147 2204 2318 2413 2451 2494 2623 2712 2784 2928 3048 3268 3277 3306 3477 3538 3616 3683 3741 4064 4128 4294 4408 4636 4826 4859 4902 4988 5246 5307 5424 5461 5856 6096 6441 6536 6554 6612 6893 6954 7076 7239 7366 7482 7747 7869 8588 8816 9272 9652 9718 9804 9831 9976 10492 10614 10848 10922 11049 12192 12882 13072 13108 13224 13786 13908 14152 14351 14478 14577 14732 14964 15494 15738 16383 17176 17632 18544 19304 19436 19608 19662 19952 20679 20984 21228 21844 22098 23241 23693 25764 26144 26216 26448 27572 27816 28304 28702 28956 29154 29464 29928 30988 31476 32766 33611 34352 37088 38608 38872 39216 39324 39904 41358 41968 42456 43053 43688 44196 46482 47386 49837 51528 52432 52896 55144 55632 56608 57404 57912 58308 58928 59856 61976 62263 62952 65532 67222 68704 69977 71079 76067 77216 77744 78432 78648 82716 83936 84912 86106 87376 88392 92321 92964 94772 99674 100833 103056 103759 104864 110288 111264 114808 115824 116616 117856 119712 123952 124526 125904 130967 131064 134444 139954 140911 142158 147193 149511 152134 155488 157296 158369 165432 169824 172212 174752 176784 184642 185928 186789 189544 199348 199897 201666 206112 207518 209931 220576 224663 228201 229616 231648 233232 247904 249052 251808 261934 262128 268888 272669 276963 279908 281822 284316 294386 296399 299022 304268 311277 314592 316738 330864 333121 344424 353568 369284 371856 373578 379088 392901 398696 399794 403332 415036 416179 419862 422733 441579 449326 456402 459232 466464 475107 498104 523868 524256 537776 545338 553926 559816 563644 568632 588772 592798 598044 599691 608536 617093 622554 633476 661728 666242 673989 688848 738568 743712 747156 758176 785802 797392 799588 806664 818007 830072 832358 839724 845466 875411 883158 889197 898652 912804 950214 996208 999363 1047736 1075552 1090676 1107852 1119632 1127288 1137264 1177544 1185596 1196088 1199382 1217072 1234186 1245108 1248537 1266952 1332484 1347978 1377696 1445273 1477136 1494312 1571604 1594784 1599176 1613328 1636014 1660144 1664716 1679448 1690932 1750822 1766316 1778394 1797304 1825608 1851279 1900428 1992416 1998726 2095472 2181352 2215704 2239264 2254576 2274528 2355088 2371192 2392176 2398764 2434144 2468372 2490216 2497074 2533904 2626233 2664968 2677309 2695956 2890546 2954272 2988624 3009011 3143208 3198352 3226656 3272028 3320288 3329432 3358896 3381864 3501644 3532632 3556788 3594608 3651216 3702558 3798043 3800856 3997452 4190944 4268597 4335819 4362704 4431408 4509152 4710176 4742384 4784352 4797528 4936744 4980432 4994148 5067808 5252466 5329936 5354618 5391912 5631581 5781092 5977248 6018022 6286416 6329299 6396704 6544056 6658864 6717792 6763728 7003288 7065264 7113576 7189216 7302432 7405116 7596086 7601712 7907401 7994904 8031927 8537194 8595571 8671638 8725408 8862816 9027033 9484768 9595056 9660509 9873488 9960864 9988296 10504932 10659872 10709236 10783824 11263162 11394129 11562184 11724767 12036044 12572832 12658598 12805791 13088112 13317728 13527456 14006576 14130528 14227152 14810232 15192172 15203424 15814802 15989808 16063854 16632809 16894743 17074388 17191142 17343276 17895697 18054066 18987897 19190112 19321018 19746976 19976592 21009864 21418472 21567648 22526324 22788258 23124368 23449534 23722203 24072088 25317196 25386919 25611582 25786713 26176224 28013152 28454304 28981527 29620464 30384344 31629604 31979616 32127708 33265618 33789486 34148776 34382284 34686552 35174301 35791394 36108132 37642673 37975794 38642036 39953184 42019728 42836944 45052648 45576516 46248736 46899068 47444406 48144176 49898427 50634392 50773838 51223164 51573426 53687091 57963054 59240928 60768688 63259208 64255416 66531236 67578972 68297552 68764568 69373104 70348602 71582788 72216264 75285346 75951588 76160757 77284072 84039456 85673888 90105296 91153032 93798136 94888812 96288352 99796854 101268784 101547676 102446328 103146852 107374182 112928019 115926108 121537376 126518416 128510832 133062472 135157944 136595104 137529136 138746208 140697204 143165576 144432528 150570692 151903176 152321514 154568144 163315849 180210592 182306064 183549671 187596272 189777624 199593708 202537568 203095352 204892656 206293704 214748364 225856038 231852216 253036832 257021664 266124944 270315888 275058272 281394408 286331152 288865056 301141384 303806352 304643028 309136288 326631698 340018243 364612128 367099342 375192544 379555248 399187416 406190704 409785312 412587408 429496728 451712076 463704432 482351461 489947547 532249888 540631776 550649013 562788816 572662304 602282768 607612704 609286056 653263396 680036486 715210787 734198684 759110496 798374832 812381408 825174816 858993456 903424152 927408864 964702922 979895094 1020054729 1091637517 1101298026 1125577632 1204565536 1218572112 1306526792 1360072972 1430421574 1447054383 1468397368 1596749664 1717986912 1806848304 1929405844 1959790188 2040109458 2145632361 2183275034 2202596052 2437144224 2613053584 2720145944 2860843148 2894108766 2936794736 3274912551 3613696608 3858811688 3919580376 4080218916 4291264722 4366550068 4405192104 5226107168 5440291888 5721686296 5788217532 5873589472 6549825102 7717623376 7839160752 8160437832 8582529444 8733100136 8810384208 10880583776 11443372592 11576435064 13099650204 15435246752 15678321504 16320875664 17165058888 17466200272 17620768416 20741112823 22886745184 23152870128 26199300408 32641751328 34330117776 34932400544 41482225646 46305740256 52398600816 62223338469 68660235552 82964451292 104797201632 124446676938 165928902584 248893353876 331857805168 497786707752 663715610336 995573415504 1991146831008
• Sum of all divisors σ(n): 6018814771200
• Sum of proper divisors (its aliquot sum) s(n): 4027667940192
• 1991146831008 is an abundant number, because the sum of its proper divisors (4027667940192) is greater than itself. Its abundance is 2036521109184

Bases of 1991146831008

• Binary: 11100111110011001100110010111110010100000₂
• Hexadecimal: 0x1CF99997CA0
• Base-36: PEPXEVMO

Squares and roots of 1991146831008

• 1991146831008 squared (1991146831008²) is 3964665702633200910296064
• 1991146831008 cubed (1991146831008³) is 7894231549804203673543388712655552512
• The square root of 1991146831008 is 1411080.0228931029
• The cube root of 1991146831008 is 12580.5925105471

Scales and comparisons

• 1,991,146,831,008 seconds is equal to 63,312 years, 16 weeks, 21 hours, 56 minutes, 48 seconds.
• To count from 1 to 1,991,146,831,008 would take you about one hundred fifty-eight thousand, two hundred eighty 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 1991146831008 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991146831008

• 1991146831008 backwards is 8001386411991
• The number of decimal digits it has is: 13
• The sum of 1991146831008's digits is 51
• More coming soon!