997981318944

Names of 997981318944

• Cardinal: 997981318944 can be written as Nine hundred ninety-seven billion, nine hundred eighty-one million, three hundred eighteen thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 9.97981318944 × 10¹¹

Factors of 997981318944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 160

Divisors of 997981318944

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 23 24 27 32 36 38 46 48 54 57 69 72 76 81 92 96 108 113 114 138 144 152 162 171 184 207 216 226 228 243 276 288 304 324 339 342 368 414 432 437 452 456 486 513 529 552 608 621 648 678 684 736 828 864 874 904 912 972 1017 1026 1058 1104 1242 1296 1311 1356 1368 1539 1587 1656 1748 1808 1824 1863 1944 2034 2052 2116 2147 2208 2484 2592 2599 2622 2712 2736 3051 3078 3174 3312 3496 3616 3726 3888 3933 4068 4104 4232 4294 4617 4761 4968 5198 5244 5424 5472 5589 6102 6156 6348 6441 6624 6992 7452 7776 7797 7866 8136 8208 8464 8588 9153 9234 9522 9936 10051 10396 10488 10848 11178 11799 12204 12312 12696 12769 12882 13984 14283 14904 15594 15732 16272 16416 16928 17176 18306 18468 19044 19323 19872 20102 20792 20976 22356 23391 23598 24408 24624 25392 25538 25764 27459 28566 29808 30153 31188 31464 32544 34352 35397 36612 36936 38088 38307 38646 40204 41584 41952 42849 44712 46782 47196 48816 49248 49381 50784 51076 51528 54918 57132 57969 59616 59777 60306 62376 62928 68704 70173 70794 73224 73872 76176 76614 77292 80408 83168 85698 89424 90459 93564 94392 97632 98762 102152 103056 106191 109836 114264 114921 115938 119554 120612 124752 125856 128547 140346 141588 146448 147744 148143 152352 153228 154584 160816 171396 173907 178848 179331 180918 187128 188784 197524 204304 206112 210519 212382 219672 228528 229842 231876 239108 241224 242611 249504 257094 271377 280692 283176 292896 293687 296286 306456 309168 321632 342792 344763 347814 358662 361836 374256 377568 395048 408608 421038 424764 439344 444429 457056 459684 463752 478216 482448 485222 514188 521721 537993 542754 561384 566352 587374 592572 612912 618336 631557 685584 689526 695628 717324 723672 727833 748512 790096 814131 842076 849528 878688 881061 888858 919368 927504 956432 964896 970444 1028376 1034289 1043442 1075986 1085508 1122768 1132704 1135763 1174748 1185144 1225824 1263114 1333287 1371168 1379052 1391256 1434648 1447344 1455666 1580192 1613979 1628262 1684152 1699056 1762122 1777716 1838736 1855008 1912864 1940888 2056752 2068578 2086884 2151972 2171016 2183499 2245536 2271526 2349496 2370288 2442393 2526228 2643183 2666574 2758104 2782512 2869296 2894688 2911332 3102867 3227958 3256524 3368304 3398112 3407289 3524244 3555432 3677472 3881776 3999861 4113504 4137156 4173768 4303944 4342032 4366998 4543052 4698992 4740576 4841937 4884786 5052456 5286366 5333148 5516208 5565024 5580053 5738592 5822664 6205734 6455916 6513048 6550497 6736608 6754801 6814578 7048488 7110864 7763552 7929549 7999722 8274312 8347536 8607888 8684064 8733996 9086104 9397984 9683874 9769572 10104912 10221867 10572732 10666296 11032416 11160106 11645328 11999583 12411468 12911832 13026096 13100994 13509602 13629156 14096976 14221728 14525811 15859098 15999444 16548624 16695072 16740159 17215776 17467992 18172208 19367748 19539144 19651491 20209824 20264403 20443734 21145464 21332592 22320212 23290656 23788647 23999166 24822936 25823664 26052192 26201988 27019204 27258312 28193952 29051622 30665601 31718196 31998888 33097248 33480318 34935984 36344416 38735496 39078288 39302982 40528806 40887468 42290928 42665184 44640424 47577294 47998332 49645872 50220477 51647328 52403976 54038408 54516624 58103244 58954473 60793209 61331202 63436392 63997776 66960636 69871968 71365941 77470992 78156576 78605964 81057612 81774936 84581856 89280848 91996803 95154588 95996664 99291744 100440954 104807952 108076816 109033248 116206488 117908946 121586418 122662404 126872784 127995552 128341219 133921272 142731882 150661431 154941984 157211928 162115224 163549872 178561696 182379627 183993606 190309176 191993328 200881908 209615904 216153632 232412976 235817892 243172836 245324808 253745568 256682438 267842544 275990409 285463764 301322862 314423856 324230448 327099744 364759254 367987212 380618352 383986656 385023657 401763816 451984293 464825952 471635784 486345672 490649616 513364876 535685088 547138881 551980818 570927528 602645724 628847712 648460896 729518508 735974424 761236704 770047314 803527632 903968586 943271568 972691344 981299232 1026729752 1094277762 1103961636 1141855056 1155070971 1205291448 1355952879 1459037016 1471948848 1540094628 1607055264 1641416643 1807937172 1886543136 1945382688 2053459504 2188555524 2207923272 2283710112 2310141942 2410582896 2711905758 2918074032 2943897696 3080189256 3282833286 3465212913 3615874344 4106919008 4377111048 4415846544 4620283884 4821165792 5423811516 5836148064 6160378512 6565666572 6930425826 7231748688 8754222096 8831693088 9240567768 10395638739 10847623032 12320757024 13131333144 13860851652 14463497376 17508444192 18481135536 20791277478 21695246064 26262666288 27721703304 31186916217 36962271072 41582554956 43390492128 52525332576 55443406608 62373832434 83165109912 110886813216 124747664868 166330219824 249495329736 332660439648 498990659472 997981318944
• Sum of all divisors σ(n): 3267488493360
• Sum of proper divisors (its aliquot sum) s(n): 2269507174416
• 997981318944 is an abundant number, because the sum of its proper divisors (2269507174416) is greater than itself. Its abundance is 1271525855472

Bases of 997981318944

• Binary: 1110100001011100010100100110111100100000₂
• Hexadecimal: 0xE85C526F20
• Base-36: CQGSB600

Squares and roots of 997981318944

• 997981318944 squared (997981318944²) is 995966712961205853275136
• 997981318944 cubed (997981318944³) is 993956173825344477356213167400976384
• The square root of 997981318944 is 998990.1495730575
• The cube root of 997981318944 is 9993.2665302029

Scales and comparisons

• 997,981,318,944 seconds is equal to 31,732 years, 37 weeks, 2 days, 17 hours, 2 minutes, 24 seconds.
• To count from 1 to 997,981,318,944 would take you about sixty-three thousand, four 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 997981318944 cubic inches would be around 832.8 feet tall.

Recreational maths with 997981318944

• 997981318944 backwards is 449813189799
• 997981318944 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 997981318944's digits is 72
• More coming soon!