161542697472

Names of 161542697472

• Cardinal: 161542697472 can be written as One hundred sixty-one billion, five hundred forty-two million, six hundred ninety-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.61542697472 × 10¹¹

Factors of 161542697472

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 202

Divisors of 161542697472

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 39 41 48 51 52 53 64 68 72 73 78 82 96 102 104 106 117 123 128 136 144 146 153 156 159 164 192 204 208 212 219 221 234 246 256 272 288 292 306 312 318 328 369 384 408 416 424 438 442 468 477 492 512 533 544 576 584 612 624 636 656 657 663 689 697 738 768 816 832 848 876 884 901 936 949 954 984 1066 1088 1152 1168 1224 1241 1248 1272 1312 1314 1326 1378 1394 1476 1536 1599 1632 1664 1696 1752 1768 1802 1872 1898 1908 1968 1989 2067 2091 2132 2173 2176 2304 2336 2448 2482 2496 2544 2624 2628 2652 2703 2756 2788 2847 2952 2993 3198 3264 3328 3392 3504 3536 3604 3723 3744 3796 3816 3869 3936 3978 4134 4182 4264 4346 4352 4608 4672 4797 4896 4964 4992 5088 5248 5256 5304 5406 5512 5576 5694 5904 5986 6201 6273 6396 6519 6528 6656 6784 7008 7072 7208 7446 7488 7592 7632 7738 7872 7956 8109 8268 8364 8528 8541 8692 8704 8979 9061 9344 9594 9792 9928 9984 10176 10496 10512 10608 10812 11024 11152 11169 11388 11607 11713 11808 11972 12402 12546 12792 13038 13056 13568 14016 14144 14416 14892 14976 15184 15264 15476 15744 15912 16133 16218 16536 16728 17056 17082 17384 17958 18122 18688 19188 19557 19584 19856 19968 20352 20992 21024 21216 21624 22048 22304 22338 22776 23214 23426 23616 23944 24804 25092 25584 26076 26112 26937 27136 27183 28032 28249 28288 28832 29784 29952 30368 30528 30952 31488 31824 32266 32436 33072 33456 34112 34164 34768 34821 35139 35916 36244 36941 37376 38376 38909 39114 39168 39712 40704 42048 42432 43248 44096 44608 44676 45552 46428 46852 47232 47888 48399 49608 50184 50297 50881 51168 52152 53874 54366 56064 56498 56576 57664 59568 59904 60736 61056 61904 62976 63648 64532 64872 65773 66144 66912 68224 68328 69536 69642 70278 71832 72488 73882 76752 77818 78228 78336 79424 81408 81549 84096 84747 84864 86496 88192 89216 89352 91104 92856 93704 94464 95776 96798 99216 100368 100594 101762 102336 104304 105417 107748 108732 110823 112128 112996 113152 115328 116727 119136 121472 122112 123808 127296 129064 129744 131546 132288 133824 136448 136656 139072 139284 140556 143664 144976 145197 147764 150891 152643 153504 155636 156456 158629 158848 163098 168192 169494 169728 172992 176384 178432 178704 182208 185712 187408 188928 191552 193596 197319 198432 200736 201188 203524 204672 208608 210834 215496 217464 221646 225992 230656 233454 238272 242944 244224 247616 254241 254592 258128 259488 263092 264576 267648 272896 273312 278144 278568 281112 287328 289952 290394 295528 301782 305286 307008 311272 312912 317258 317696 326196 332469 336384 338988 339456 345984 350181 352768 356864 357408 364416 371424 374816 383104 387192 394638 396864 401472 402376 407048 409344 417216 421668 430992 434928 443292 451984 452673 457929 461312 466908 475887 476544 480233 485888 495232 508482 509184 516256 518976 526184 529152 535296 546624 556288 557136 562224 574656 579904 580788 591056 591957 603564 610572 614016 622544 625824 634516 635392 652392 661453 664938 677976 691968 700362 714816 728832 742848 749632 766208 774384 789276 793728 802944 804752 814096 818688 834432 843336 855049 861984 869856 886584 903968 905346 915858 933816 951774 953088 960466 990464 1016964 1018368 1032512 1037952 1052368 1058304 1070592 1093248 1112576 1114272 1124448 1149312 1159808 1161576 1182112 1183914 1207128 1221144 1228032 1245088 1251648 1269032 1304784 1322906 1329876 1355952 1383936 1400724 1427661 1429632 1440699 1457664 1485696 1499264 1532416 1548768 1578552 1587456 1605888 1609504 1628192 1668864 1686672 1710098 1723968 1739712 1773168 1807936 1810692 1831716 1867632 1903548 1906176 1920932 1980928 1984359 2033928 2062177 2065024 2075904 2104736 2186496 2228544 2248896 2298624 2319616 2323152 2364224 2367828 2414256 2442288 2456064 2490176 2503296 2538064 2565147 2609568 2645812 2659752 2696693 2711904 2801448 2855322 2859264 2881398 2971392 2998528 3097536 3157104 3174912 3211776 3219008 3256384 3337728 3373344 3420196 3447936 3479424 3546336 3615872 3621384 3663432 3735264 3807096 3841864 3968718 4067856 4124354 4130048 4151808 4209472 4322097 4372992 4457088 4497792 4597248 4639232 4646304 4728448 4735656 4828512 4884576 4980352 5006592 5076128 5130294 5219136 5291624 5319504 5393386 5423808 5602896 5710644 5718528 5762796 5942784 5953077 5997056 6186531 6195072 6314208 6438016 6512768 6746688 6840392 6895872 6958848 7092672 7231744 7242768 7326864 7470528 7614192 7683728 7695441 7937436 8090079 8135712 8248708 8260096 8418944 8644194 8914176 8995584 9292608 9456896 9471312 9657024 9769152 9960704 10013184 10152256 10260588 10438272 10583248 10639008 10786772 10847616 11205792 11421288 11525592 11906154 12373062 12390144 12628416 12876032 13025536 13493376 13680784 13791744 13917696 14185344 14463488 14485536 14653728 14941056 15228384 15367456 15390882 15874872 16180158 16271424 16497416 16837888 17288388 17828352 17991168 18559593 18585216 18913792 18942624 19314048 19538304 19921408 20304512 20521176 20876544 21166496 21278016 21573544 21695232 22411584 22842576 23051184 23812308 24270237 24746124 24780288 25256832 25752064 26051072 26986752 27361568 28370688 28971072 29307456 29882112 30456768 30734912 30781764 31749744 32360316 32542848 32994832 33675776 34576776 35057009 37119186 37170432 37885248 38628096 39076608 40609024 41042352 41753088 42332992 42556032 43147088 43390464 44823168 45685152 46102368 47624616 48540474 49492248 50513664 53973504 54723136 56741376 57942144 58614912 59764224 60913536 61469824 61563528 63499488 64720632 65085696 65989664 69153552 70114018 74238372 74340864 75770496 77256192 78153216 81218048 82084704 84665984 85112064 86294176 89646336 91370304 92204736 95249232 97080948 98984496 101027328 105171027 109446272 115884288 117229824 121827072 122939648 123127056 126998976 129441264 130171392 131979328 138307104 140228036 148476744 151540992 164169408 169331968 170224128 172588352 179292672 182740608 184409472 190498464 194161896 197968992 210342054 218892544 231768576 234459648 243654144 245879296 246254112 253997952 258882528 263958656 276614208 280456072 296953488 303081984 315513081 328338816 338663936 345176704 365481216 368818944 380996928 388323792 395937984 420684108 437785088 492508224 507995904 517765056 527917312 553228416 560912144 593906976 631026162 656677632 690353408 730962432 737637888 761993856 776647584 791875968 841368216 985016448 1015991808 1035530112 1055834624 1106456832 1121824288 1187813952 1262052324 1313355264 1380706816 1523987712 1553295168 1583751936 1682736432 1970032896 2071060224 2212913664 2243648576 2375627904 2524104648 3047975424 3106590336 3167503872 3365472864 3940065792 4142120448 4487297152 4751255808 5048209296 6213180672 6730945728 8974594304 9502511616 10096418592 12426361344 13461891456 17949188608 20192837184 26923782912 40385674368 53847565824 80771348736 161542697472
• Sum of all divisors σ(n): 562463437536
• Sum of proper divisors (its aliquot sum) s(n): 400920740064
• 161542697472 is an abundant number, because the sum of its proper divisors (400920740064) is greater than itself. Its abundance is 239378042592

Bases of 161542697472

• Binary: 10010110011100101100011111001000000000₂
• Hexadecimal: 0x259CB1F200
• Base-36: 227MCN40

Squares and roots of 161542697472

• 161542697472 squared (161542697472²) is 26096043106530115190784
• 161542697472 cubed (161542697472³) is 4215625196774465465922131274498048
• The square root of 161542697472 is 401923.7458424171
• The cube root of 161542697472 is 5446.2274761781

Scales and comparisons

• 161,542,697,472 seconds is equal to 5,136 years, 29 weeks, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 161,542,697,472 would take you about ten thousand, two hundred seventy-three 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 161542697472 cubic inches would be around 453.9 feet tall.

Recreational maths with 161542697472

• 161542697472 backwards is 274796245161
• The number of decimal digits it has is: 12
• The sum of 161542697472's digits is 54
• More coming soon!