30723238728
30,723,238,728 is an even composite number composed of five prime numbers multiplied together.
30723238728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 30723238728:
23 × 32 × 72 × 132 × 2272
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 13 × 13 × 227 × 227)See below for interesting mathematical facts about the number 30723238728 from the Numbermatics database.
Names of 30723238728
- Cardinal: 30723238728 can be written as Thirty billion, seven hundred twenty-three million, two hundred thirty-eight thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 3.0723238728 × 1010
Factors of 30723238728
Divisors of 30723238728
- Number of divisors d(n): 324
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 49 52 56 63 72 78 84 91 98 104 117 126 147 156 168 169 182 196 227 234 252 273 294 312 338 364 392 441 454 468 504 507 546 588 637 676 681 728 819 882 908 936 1014 1092 1176 1183 1274 1352 1362 1521 1589 1638 1764 1816 1911 2028 2043 2184 2366 2548 2724 2951 3042 3178 3276 3528 3549 3822 4056 4086 4732 4767 5096 5448 5733 5902 6084 6356 6552 7098 7644 8172 8281 8853 9464 9534 10647 11123 11466 11804 12168 12712 14196 14301 15288 16344 16562 17706 19068 20657 21294 22246 22932 23608 24843 26559 28392 28602 33124 33369 35412 38136 38363 41314 42588 44492 45864 49686 51529 53118 57204 61971 66248 66738 70824 74529 76726 82628 85176 88984 99372 100107 103058 106236 114408 115089 123942 133476 144599 149058 153452 154587 165256 185913 198744 200214 206116 212472 230178 247884 266952 268541 289198 298116 306904 309174 345267 360703 371826 400428 412232 433797 460356 463761 495768 537082 578396 596232 618348 669877 690534 721406 743652 800856 805623 867594 920712 927522 1074164 1082109 1156792 1236696 1301391 1339754 1381068 1442812 1487304 1611246 1735188 1855044 1879787 2009631 2148328 2164218 2416869 2524921 2602782 2679508 2762136 2885624 3222492 3246327 3470376 3710088 3759574 4019262 4328436 4689139 4833738 5049842 5205564 5359016 5639361 6028893 6444984 6492654 7519148 7574763 8038524 8656872 8708401 9378278 9667476 10099684 10411128 11278722 12057786 12985308 14067417 15038296 15149526 16077048 16918083 17416802 18756556 19334952 20199368 22557444 22724289 24115572 25970616 26125203 28134834 30299052 32823973 33836166 34833604 37513112 42202251 45114888 45448578 48231144 52250406 56269668 60598104 60958807 65647946 67672332 69667208 78375609 84404502 90897156 98471919 104500812 112539336 121917614 131295892 135344664 156751218 168809004 181794312 182876421 196943838 209001624 243835228 262591784 295415757 313502436 337618008 365752842 393887676 426711649 487670456 548629263 590831514 627004872 731505684 787775352 853423298 1097258526 1181663028 1280134947 1463011368 1706846596 2194517052 2363326056 2560269894 3413693192 3840404841 4389034104 5120539788 7680809682 10241079576 15361619364 30723238728
- Sum of all divisors σ(n): 105276067065
- Sum of proper divisors (its aliquot sum) s(n): 74552828337
- 30723238728 is an abundant number, because the sum of its proper divisors (74552828337) is greater than itself. Its abundance is 43829589609
Bases of 30723238728
- Binary: 111001001110011111101101011010010002
- Hexadecimal: 0x7273F6B48
- Base-36: E43TMQ0
Squares and roots of 30723238728
- 30723238728 squared (307232387282) is 943917397937679057984
- 30723238728 cubed (307232387283) is 29000199556351888564688586404352
-
The
square root of 30723238728 is 175280.4573476461 -
The
cube root of 30723238728 is 3132.0041714931
Scales and comparisons
How big is 30723238728?- 30,723,238,728 seconds is equal to 976 years, 47 weeks, 58 minutes, 48 seconds.
-
To count from 1 to 30,723,238,728 would take you about one thousand, nine hundred fifty-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 30723238728 cubic inches would be around 261 feet tall.
Recreational maths with 30723238728
- 30723238728 backwards is 82783232703
- The number of decimal digits it has is: 11
- The sum of 30723238728's digits is 45
- More coming soon!
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