155428727168
155,428,727,168 is an even composite number composed of six prime numbers multiplied together.
155428727168 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 155428727168:
27 × 11 × 13 × 17 × 457 × 1093
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 13 × 17 × 457 × 1093)See below for interesting mathematical facts about the number 155428727168 from the Numbermatics database.
Names of 155428727168
- Cardinal: 155428727168 can be written as One hundred fifty-five billion, four hundred twenty-eight million, seven hundred twenty-seven thousand, one hundred sixty-eight.
Scientific notation
- Scientific notation: 1.55428727168 × 1011
Factors of 155428727168
Divisors of 155428727168
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 8 11 13 16 17 22 26 32 34 44 52 64 68 88 104 128 136 143 176 187 208 221 272 286 352 374 416 442 457 544 572 704 748 832 884 914 1088 1093 1144 1408 1496 1664 1768 1828 2176 2186 2288 2431 2992 3536 3656 4372 4576 4862 5027 5941 5984 7072 7312 7769 8744 9152 9724 10054 11882 11968 12023 14144 14209 14624 15538 17488 18304 18581 19448 20108 23764 23936 24046 28288 28418 29248 31076 34976 37162 38896 40216 47528 48092 56836 58496 62152 65351 69952 74324 77792 80432 85459 95056 96184 100997 113672 124304 130702 139904 148648 155584 156299 160864 170918 190112 192368 201994 204391 227344 241553 248608 261404 297296 311168 312598 321728 341836 380224 384736 403988 408782 454688 483106 497216 499501 522808 594592 625196 643456 683672 760448 769472 807976 817564 909376 966212 994432 999002 1045616 1110967 1189184 1250392 1367344 1538944 1615952 1635128 1818752 1932424 1998004 2091232 2221934 2378368 2500784 2657083 2734688 3231904 3270256 3864848 3996008 4182464 4443868 5001568 5314166 5469376 5494511 6463808 6493513 6540512 7729696 7992016 8364928 8491517 8887736 10003136 10628332 10938752 10989022 12927616 12987026 13081024 15459392 15984032 16983034 17775472 20006272 21256664 21978044 25974052 26162048 30918784 31968064 33966068 35550944 42513328 43956088 51948104 63936128 67932136 71101888 71428643 85026656 87912176 93406687 103896208 110389721 135864272 142203776 142857286 170053312 175824352 186813374 207792416 220779442 271728544 285714572 340106624 351648704 373626748 415584832 441558884 543457088 571429144 703297408 747253496 831169664 883117768 1086914176 1142858288 1214286931 1494506992 1766235536 2285716576 2428573862 2989013984 3532471072 4571433152 4857147724 5978027968 7064942144 9142866304 9714295448 11956055936 14129884288 19428590896 38857181792 77714363584 155428727168
- Sum of all divisors σ(n): 386371218240
- Sum of proper divisors (its aliquot sum) s(n): 230942491072
- 155428727168 is an abundant number, because the sum of its proper divisors (230942491072) is greater than itself. Its abundance is 75513763904
Bases of 155428727168
- Binary: 100100001100000100011000101001100000002
- Hexadecimal: 0x2430462980
- Base-36: 1ZEI91FK
Squares and roots of 155428727168
- 155428727168 squared (1554287271682) is 24158089229064581300224
- 155428727168 cubed (1554287271683) is 3754861059684478262764670793285632
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The
square root of 155428727168 is 394244.5017600119 -
The
cube root of 155428727168 is 5376.6334568073
Scales and comparisons
How big is 155428727168?- 155,428,727,168 seconds is equal to 4,942 years, 7 weeks, 6 days, 14 hours, 26 minutes, 8 seconds.
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To count from 1 to 155,428,727,168 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 155428727168 cubic inches would be around 448.1 feet tall.
Recreational maths with 155428727168
- 155428727168 backwards is 861727824551
- The number of decimal digits it has is: 12
- The sum of 155428727168's digits is 56
- More coming soon!
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