155431744128

Names of 155431744128

• Cardinal: 155431744128 can be written as One hundred fifty-five billion, four hundred thirty-one million, seven hundred forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.55431744128 × 10¹¹

Factors of 155431744128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 186

Divisors of 155431744128

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 79 83 96 108 114 128 144 152 158 166 171 192 216 228 237 249 288 304 316 332 342 361 384 432 456 474 498 513 576 608 632 664 684 711 722 747 864 912 948 996 1026 1083 1152 1216 1264 1328 1368 1422 1444 1494 1501 1577 1728 1824 1896 1992 2052 2133 2166 2241 2432 2528 2656 2736 2844 2888 2988 3002 3154 3249 3456 3648 3792 3984 4104 4266 4332 4482 4503 4731 5056 5312 5472 5688 5776 5976 6004 6308 6498 6557 6859 7296 7584 7968 8208 8532 8664 8964 9006 9462 9747 10112 10624 10944 11376 11552 11952 12008 12616 12996 13114 13509 13718 14193 15168 15936 16416 17064 17328 17928 18012 18924 19494 19671 20577 21888 22752 23104 23904 24016 25232 25992 26228 27018 27436 28386 28519 29963 30336 31872 32832 34128 34656 35856 36024 37848 38988 39342 40527 41154 42579 45504 46208 47808 48032 50464 51984 52456 54036 54872 56772 57038 59013 59926 61731 65664 68256 69312 71712 72048 75696 77976 78684 81054 82308 85158 85557 89889 91008 95616 96064 100928 103968 104912 108072 109744 113544 114076 118026 119852 123462 124583 136512 138624 143424 144096 151392 155952 157368 162108 164616 170316 171114 177039 179778 185193 192128 201856 207936 209824 216144 219488 227088 228152 236052 239704 246924 249166 256671 269667 273024 286848 288192 302784 311904 314736 324216 329232 340632 342228 354078 359556 370386 373749 415872 419648 432288 438976 454176 456304 472104 479408 493848 498332 513342 539334 541861 569297 576384 605568 623808 629472 648432 658464 681264 684456 708156 719112 740772 747498 770013 809001 839296 864576 877952 908352 912608 944208 958816 987696 996664 1026684 1078668 1083722 1121247 1138594 1247616 1258944 1296864 1316928 1362528 1368912 1416312 1438224 1481544 1494996 1540026 1618002 1625583 1707891 1729152 1816704 1825216 1888416 1917632 1975392 1993328 2053368 2157336 2167444 2242494 2277188 2367077 2517888 2593728 2633856 2725056 2737824 2832624 2876448 2963088 2989992 3080052 3236004 3251166 3363741 3415782 3650432 3776832 3835264 3950784 3986656 4106736 4314672 4334888 4484988 4554376 4734154 4876749 5123673 5187456 5450112 5475648 5665248 5752896 5926176 5979984 6160104 6472008 6502332 6727482 6831564 7101231 7553664 7901568 7973312 8213472 8629344 8669776 8969976 9108752 9468308 9753498 10247346 10951296 11330496 11505792 11852352 11959968 12320208 12944016 13004664 13454964 13663128 14202462 14630247 15371019 15946624 16426944 17258688 17339552 17939952 18217504 18936616 19506996 20494692 21303693 22660992 23704704 23919936 24640416 25888032 26009328 26909928 27326256 28404924 29260494 30742038 32853888 34517376 34679104 35879904 36435008 37873232 39013992 40989384 42607386 44974463 47839872 49280832 51776064 52018656 53819856 54652512 56809848 58520988 61484076 63911079 69358208 71759808 72870016 75746464 78027984 81978768 85214772 89948926 98561664 103552128 104037312 107639712 109305024 113619696 117041976 122968152 127822158 134923389 143519616 151492928 156055968 163957536 170429544 179897852 208074624 215279424 218610048 227239392 234083952 245936304 255644316 269846778 302985856 312111936 327915072 340859088 359795704 404770167 430558848 454478784 468167904 491872608 511288632 539693556 624223872 655830144 681718176 719591408 809540334 908957568 936335808 983745216 1022577264 1079387112 1214310501 1363436352 1439182816 1619080668 1872671616 1967490432 2045154528 2158774224 2428621002 2726872704 2878365632 3238161336 4090309056 4317548448 4857242004 5756731264 6476322672 8180618112 8635096896 9714484008 12952645344 17270193792 19428968016 25905290688 38857936032 51810581376 77715872064 155431744128
• Sum of all divisors σ(n): 496258560000
• Sum of proper divisors (its aliquot sum) s(n): 340826815872
• 155431744128 is an abundant number, because the sum of its proper divisors (340826815872) is greater than itself. Its abundance is 185395071744

Bases of 155431744128

• Binary: 10010000110000011101000011001010000000₂
• Hexadecimal: 0x2430743280
• Base-36: 1ZEK1PC0

Squares and roots of 155431744128

• 155431744128 squared (155431744128²) is 24159027082672062480384
• 155431744128 cubed (155431744128³) is 3755079715895306317985074907185152
• The square root of 155431744128 is 394248.3279964545
• The cube root of 155431744128 is 5376.6682444201

Scales and comparisons

• 155,431,744,128 seconds is equal to 4,942 years, 12 weeks, 6 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 155,431,744,128 would take you about nine thousand, eight hundred eighty-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 155431744128 cubic inches would be around 448.1 feet tall.

Recreational maths with 155431744128

• 155431744128 backwards is 821447134551
• The number of decimal digits it has is: 12
• The sum of 155431744128's digits is 45
• More coming soon!