55721530920
55,721,530,920 is an even composite number composed of seven prime numbers multiplied together.
55721530920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 55721530920:
23 × 3 × 5 × 112 × 53 × 61 × 1187
(2 × 2 × 2 × 3 × 5 × 11 × 11 × 53 × 61 × 1187)See below for interesting mathematical facts about the number 55721530920 from the Numbermatics database.
Names of 55721530920
- Cardinal: 55721530920 can be written as Fifty-five billion, seven hundred twenty-one million, five hundred thirty thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 5.572153092 × 1010
Factors of 55721530920
Divisors of 55721530920
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 53 55 60 61 66 88 106 110 120 121 122 132 159 165 183 212 220 242 244 264 265 305 318 330 363 366 424 440 484 488 530 583 605 610 636 660 671 726 732 795 915 968 1060 1166 1187 1210 1220 1272 1320 1342 1452 1464 1590 1749 1815 1830 2013 2120 2332 2374 2420 2440 2684 2904 2915 3180 3233 3355 3498 3561 3630 3660 4026 4664 4748 4840 5368 5830 5935 6360 6413 6466 6710 6996 7122 7260 7320 7381 8052 8745 9496 9699 10065 11660 11870 12826 12932 13057 13420 13992 14244 14520 14762 16104 16165 17490 17805 19239 19398 20130 22143 23320 23740 25652 25864 26114 26840 28488 29524 32065 32330 34980 35563 35610 36905 38478 38796 39171 40260 44286 47480 48495 51304 52228 59048 62911 64130 64660 65285 69960 71126 71220 72407 73810 76956 77592 78342 80520 88572 96195 96990 104456 106689 110715 125822 128260 129320 130570 142252 142440 143627 144814 147620 153912 156684 177144 177815 188733 192390 193980 195855 213378 217221 221430 251644 256520 261140 284504 287254 289628 295240 313368 314555 355630 362035 377466 384780 387960 391193 391710 426756 430881 434442 442860 503288 522280 533445 574508 579256 629110 692021 711260 718135 724070 754932 769560 782386 783420 796477 853512 861762 868884 885720 943665 1066890 1086105 1149016 1173579 1258220 1384042 1422520 1436270 1448140 1509864 1564772 1566840 1592954 1723524 1737768 1887330 1955965 2076063 2133780 2154405 2172210 2347158 2389431 2516440 2768084 2872540 2896280 3129544 3185908 3447048 3460105 3774660 3837571 3911930 3982385 4152126 4267560 4308810 4344420 4694316 4778862 5536168 5745080 5867895 6371816 6920210 7549320 7612231 7675142 7823860 7964770 8304252 8617620 8688840 8761247 9388632 9557724 10380315 11512713 11735790 11947155 13840420 15224462 15350284 15647720 15929540 16608504 17235240 17522494 19115448 19187855 20760630 22836693 23025426 23471580 23894310 26283741 27680840 30448924 30700568 31859080 35044988 38061155 38375710 41521260 42213281 43806235 45673386 46050852 46943160 47788620 52567482 57563565 60897848 70089976 76122310 76751420 83042520 84426562 87612470 91346772 92101704 95577240 105134964 114183465 115127130 126639843 131418705 152244620 153502840 168853124 175224940 182693544 210269928 211066405 228366930 230254260 253279686 262837410 304489240 337706248 350449880 422132810 456733860 460508520 464346091 506559372 525674820 633199215 844265620 913467720 928692182 1013118744 1051349640 1266398430 1393038273 1688531240 1857384364 2321730455 2532796860 2786076546 3714768728 4643460910 5065593720 5572153092 6965191365 9286921820 11144306184 13930382730 18573843640 27860765460 55721530920
- Sum of all divisors σ(n): 190439061120
- Sum of proper divisors (its aliquot sum) s(n): 134717530200
- 55721530920 is an abundant number, because the sum of its proper divisors (134717530200) is greater than itself. Its abundance is 78995999280
Bases of 55721530920
- Binary: 1100111110010100001100010110001010002
- Hexadecimal: 0xCF9431628
- Base-36: PLJ5SFC
Squares and roots of 55721530920
- 55721530920 squared (557215309202) is 3104889008068516046400
- 55721530920 cubed (557215309203) is 173009168866257946357993754688000
-
The
square root of 55721530920 is 236054.0847348335 -
The
cube root of 55721530920 is 3819.5102512585
Scales and comparisons
How big is 55721530920?- 55,721,530,920 seconds is equal to 1,771 years, 40 weeks, 1 day, 3 hours, 2 minutes.
-
To count from 1 to 55,721,530,920 would take you about three thousand, five hundred forty-three 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 55721530920 cubic inches would be around 318.3 feet tall.
Recreational maths with 55721530920
- 55721530920 backwards is 02903512755
- The number of decimal digits it has is: 11
- The sum of 55721530920's digits is 39
- More coming soon!
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