155535643320640

Names of 155535643320640

• Cardinal: 155535643320640 can be written as One hundred fifty-five trillion, five hundred thirty-five billion, six hundred forty-three million, three hundred twenty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.5553564332064 × 10¹⁴

Factors of 155535643320640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 132721

Divisors of 155535643320640

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 11 16 19 20 22 32 38 40 44 55 64 76 80 88 95 110 121 152 160 176 190 209 220 242 304 320 352 380 418 440 484 605 608 704 760 836 880 968 1045 1210 1216 1520 1613 1672 1760 1936 2090 2299 2420 3040 3226 3344 3520 3872 4180 4598 4840 6080 6452 6688 7744 8065 8360 9196 9680 11495 12904 13376 16130 16720 17743 18392 19360 22990 25808 30647 32260 33440 35486 36784 38720 45980 51616 61294 64520 66880 70972 73568 88715 91960 103232 122588 129040 131071 141944 147136 153235 177430 183920 195173 245176 258080 262142 283888 306470 337117 354860 367840 390346 490352 516160 524284 567776 612940 655355 674234 709720 735680 780692 975865 980704 1048568 1135552 1225880 1310710 1348468 1419440 1441781 1561384 1685585 1951730 1961408 2097136 2451760 2490349 2621420 2696936 2838880 2883562 3122768 3371170 3708287 3903460 4194272 4903520 4980698 5242840 5393872 5677760 5767124 6245536 6742340 7208905 7416574 7806920 8388544 9807040 9961396 10485680 10787744 11534248 12451745 12491072 13484680 14417810 14833148 15613840 15859591 18541435 19922792 20971360 21575488 23068496 24903490 26969360 27393839 28835620 29666296 31227680 31719182 37082870 39845584 41942720 46136992 49806980 53938720 54787678 57671240 59332592 62455360 63438364 74165740 79297955 79691168 92273984 99613960 107877440 109575356 115342480 118665184 126876728 136969195 148331480 158595910 159382336 199227920 211417523 219150712 230684960 237330368 253753456 273938390 296662960 301332229 317191820 398455840 422835046 438301424 461369920 507506912 547876780 593325920 602664458 634383640 796911680 845670092 876602848 1015013824 1057087615 1095753560 1186651840 1205328916 1268767280 1506661145 1691340184 1753205696 2114175230 2191507120 2325592753 2410657832 2537534560 3013322290 3382680368 4016932937 4228350460 4383014240 4651185506 4821315664 5075069120 6026644580 6765360736 8033865874 8456700920 8766028480 9302371012 9642631328 11627963765 12053289160 13530721472 16067731748 16913401840 18604742024 19285262656 20084664685 23255927530 24106578320 25581520283 32135463496 33826803680 37209484048 40169329370 44186262307 46511855060 48213156640 51163040566 64270926992 67653607360 74418968096 80338658740 88372524614 93023710120 96426313280 102326081132 127907601415 128541853984 148837936192 160677317480 176745049228 186047420240 204652162264 220931311535 255815202830 257083707968 321354634960 353490098456 372094840480 409304324528 441862623070 486048885377 511630405660 642709269920 706980196912 744189680960 818608649056 883725246140 972097770754 1023260811320 1285418539840 1413960393824 1637217298112 1767450492280 1944195541508 2046521622640 2430244426885 2827920787648 3534900984560 3888391083016 4093043245280 4860488853770 7069801969120 7776782166032 8186086490560 9720977707540 14139603938240 15553564332064 19441955415080 31107128664128 38883910830160 77767821660320 155535643320640
• Sum of all divisors σ(n): 428795347599360
• Sum of proper divisors (its aliquot sum) s(n): 273259704278720
• 155535643320640 is an abundant number, because the sum of its proper divisors (273259704278720) is greater than itself. Its abundance is 117724060958080

Bases of 155535643320640

• Binary: 100011010111010101110110110001010010000101000000₂
• Hexadecimal: 0x8D7576C52140
• Base-36: 1J4S367ZGG

Squares and roots of 155535643320640

• 155535643320640 squared (155535643320640²) is 24191336343165346245850009600
• 155535643320640 cubed (155535643320640³) is 3762615060920200868738453944961519878144000
• The square root of 155535643320640 is 12471392.9984039875
• The cube root of 155535643320640 is 53778.6599859747

Scales and comparisons

• 155,535,643,320,640 seconds is equal to 4,945,552 years, 18 weeks, 2 days, 22 hours, 50 minutes, 40 seconds.
• To count from 1 to 155,535,643,320,640 would take you about twelve million, three hundred sixty-three thousand, eight hundred eighty 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 155535643320640 cubic inches would be around 4481.6 feet tall.

Recreational maths with 155535643320640

• 155535643320640 backwards is 046023346535551
• The number of decimal digits it has is: 15
• The sum of 155535643320640's digits is 52
• More coming soon!