159991688640

Names of 159991688640

• Cardinal: 159991688640 can be written as One hundred fifty-nine billion, nine hundred ninety-one million, six hundred eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.5999168864 × 10¹¹

Factors of 159991688640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 930

Divisors of 159991688640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 193 210 224 240 280 281 320 336 386 420 439 448 480 560 562 579 672 772 840 843 878 960 965 1120 1124 1158 1317 1344 1351 1405 1544 1680 1686 1756 1930 1967 2195 2240 2248 2316 2634 2702 2810 2895 3073 3088 3360 3372 3512 3860 3934 4053 4215 4390 4496 4632 5268 5404 5620 5790 5901 6146 6176 6585 6720 6744 6755 7024 7720 7868 8106 8430 8780 8992 9219 9264 9835 10536 10808 11240 11580 11802 12292 12352 13170 13488 13510 14048 15365 15440 15736 16212 16860 17560 17984 18438 18528 19670 20265 21072 21616 22480 23160 23604 24584 26340 26976 27020 28096 29505 30730 30880 31472 32424 33720 35120 36876 37056 39340 40530 42144 43232 44960 46095 46320 47208 49168 52680 53952 54040 54233 59010 61460 61760 62944 64848 67440 70240 73752 78680 81060 84288 84727 86464 89920 92190 92640 94416 98336 105360 108080 108466 118020 122920 123359 125888 129696 134880 140480 147504 157360 162120 162699 169454 184380 185280 188832 196672 210720 216160 216932 236040 245840 246718 254181 259392 269760 271165 295008 314720 324240 325398 338908 368760 370077 377664 379631 421440 423635 432320 433864 472080 491680 493436 508362 542330 590016 593089 616795 629440 648480 650796 677816 737520 740154 759262 813495 847270 863513 867728 944160 983360 986872 1016724 1084660 1138893 1186178 1233590 1270905 1296960 1301592 1355632 1475040 1480308 1518524 1626990 1694540 1727026 1735456 1779267 1850385 1888320 1898155 1973744 2033448 2169320 2277786 2372356 2467180 2541810 2590539 2603184 2711264 2950080 2960616 2965445 3037048 3253980 3389080 3454052 3470912 3558534 3700770 3796310 3947488 4066896 4317565 4338640 4555572 4744712 4934360 5083620 5181078 5206368 5422528 5694465 5921232 5930890 6074096 6507960 6778160 6908104 7117068 7401540 7592620 7894976 8133792 8635130 8677280 8896335 9111144 9489424 9868720 10167240 10362156 10412736 11388930 11842464 11861780 12148192 12952695 13015920 13556320 13816208 14234136 14803080 15185240 16267584 17270260 17354560 17792670 18222288 18978848 19737440 20334480 20724312 22777860 23684928 23723560 23808287 24296384 25905390 26031840 27112640 27632416 28468272 29606160 30370480 34540520 35585340 36444576 37957696 39474880 40668960 41448624 45555720 47447120 47616574 51810780 52063680 55264832 56936544 59212320 60740960 69081040 71170680 71424861 72889152 81337920 82897248 91111440 94894240 95233148 103621560 113873088 118424640 119041435 121481920 138162080 142341360 142849722 165794496 166658009 182222880 189788480 190466296 207243120 238082870 276324160 284682720 285699444 333316018 357124305 364445760 380932592 414486240 476165740 499974027 569365440 571398888 666632036 714248610 761865184 828972480 833290045 952331480 999948054 1142797776 1333264072 1428497220 1523730368 1666580090 1904662960 1999896108 2285595552 2499870135 2666528144 2856994440 3333160180 3809325920 3999792216 4571191104 4999740270 5333056288 5713988880 6666320360 7618651840 7999584432 9999480540 10666112576 11427977760 13332640720 15999168864 19998961080 22855955520 26665281440 31998337728 39997922160 53330562880 79995844320 159991688640
• Sum of all divisors σ(n): 586959943680
• Sum of proper divisors (its aliquot sum) s(n): 426968255040
• 159991688640 is an abundant number, because the sum of its proper divisors (426968255040) is greater than itself. Its abundance is 266976566400

Bases of 159991688640

• Binary: 10010101000000001111110110110111000000₂
• Hexadecimal: 0x25403F6DC0
• Base-36: 21HYX51C

Squares and roots of 159991688640

• 159991688640 squared (159991688640²) is 25597340433878705049600
• 159991688640 cubed (159991688640³) is 4095361720709204285821998956544000
• The square root of 159991688640 is 399989.6106650771
• The cube root of 159991688640 is 5428.7412294705

Scales and comparisons

• 159,991,688,640 seconds is equal to 5,087 years, 12 weeks, 3 days, 15 hours, 44 minutes.
• To count from 1 to 159,991,688,640 would take you about ten thousand, one hundred seventy-four 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 159991688640 cubic inches would be around 452.4 feet tall.

Recreational maths with 159991688640

• 159991688640 backwards is 046886199951
• The number of decimal digits it has is: 12
• The sum of 159991688640's digits is 66
• More coming soon!