155031164820

Names of 155031164820

• Cardinal: 155031164820 can be written as One hundred fifty-five billion, thirty-one million, one hundred sixty-four thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.5503116482 × 10¹¹

Factors of 155031164820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3390

Divisors of 155031164820

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 103 105 126 140 180 206 210 252 309 315 412 419 420 515 618 630 721 838 927 1030 1236 1257 1260 1442 1545 1676 1854 2060 2095 2163 2514 2851 2884 2933 3090 3605 3708 3771 4190 4326 4635 5028 5702 5866 6180 6285 6489 7210 7542 8380 8553 8652 8799 9270 10815 11404 11732 12570 12978 14255 14420 14665 15084 17106 17598 18540 18855 19957 21630 25140 25659 25956 26397 28510 29330 32445 34212 35196 37710 39914 42765 43157 43260 43995 51318 52794 57020 58660 59871 64890 75420 79828 85530 86314 87990 99785 102636 105588 119742 128295 129471 129780 131985 171060 172628 175980 179613 199570 215785 239484 256590 258942 263970 293653 299355 302099 359226 388413 399140 431570 513180 517884 527940 587306 598710 604198 647355 718452 776826 863140 880959 898065 906297 1174612 1194569 1197420 1208396 1294710 1468265 1510495 1553652 1761918 1796130 1812594 1942065 2055571 2389138 2589420 2642877 2718891 2936530 3020990 3523836 3583707 3592260 3625188 3884130 4111142 4404795 4531485 4778276 5285754 5437782 5873060 5972845 6041980 6166713 7167414 7768260 8222284 8361983 8809590 9062970 10277855 10571508 10751121 10875564 11945690 12333426 13214385 13594455 14334828 16723966 17619180 17918535 18125940 18500139 20555710 21502242 23891380 24666852 25085949 26428770 27188910 30833565 33447932 35837070 37000278 41111420 41809915 43004484 50171898 52857540 53755605 54377820 61667130 71674140 74000556 75257847 83619830 92500695 100343796 107511210 123040607 123334260 125429745 150515694 167239660 185001390 215022420 246081214 250859490 301031388 369121821 370002780 376289235 492162428 501718980 615203035 738243642 752578470 861284249 1107365463 1230406070 1476487284 1505156940 1722568498 1845609105 2214730926 2460812140 2583852747 3445136996 3691218210 4306421245 4429461852 5167705494 5536827315 7382436420 7751558241 8612842490 10335410988 11073654630 12919263735 15503116482 17225684980 22147309260 25838527470 31006232964 38757791205 51677054940 77515582410 155031164820
• Sum of all divisors σ(n): 544145172480
• Sum of proper divisors (its aliquot sum) s(n): 389114007660
• 155031164820 is an abundant number, because the sum of its proper divisors (389114007660) is greater than itself. Its abundance is 234082842840

Bases of 155031164820

• Binary: 10010000011000100100111101011110010100₂
• Hexadecimal: 0x241893D794
• Base-36: 1Z7XJWD0

Squares and roots of 155031164820

• 155031164820 squared (155031164820²) is 24034662065446005632400
• 155031164820 cubed (155031164820³) is 3726121656061161326007252732168000
• The square root of 155031164820 is 393739.9710722801
• The cube root of 155031164820 is 5372.0453471783

Scales and comparisons

• 155,031,164,820 seconds is equal to 4,929 years, 26 weeks, 4 days, 4 hours, 27 minutes.
• To count from 1 to 155,031,164,820 would take you about nine thousand, eight hundred fifty-nine 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 155031164820 cubic inches would be around 447.7 feet tall.

Recreational maths with 155031164820

• 155031164820 backwards is 028461130551
• 155031164820 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155031164820's digits is 36
• More coming soon!