145420380
145,420,380 is an even composite number composed of seven prime numbers multiplied together.
145420380 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 145420380:
22 × 33 × 5 × 7 × 17 × 31 × 73
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 17 × 31 × 73)See below for interesting mathematical facts about the number 145420380 from the Numbermatics database.
Names of 145420380
- Cardinal: 145420380 can be written as One hundred forty-five million, four hundred twenty thousand, three hundred eighty.
Scientific notation
- Scientific notation: 1.4542038 × 108
Factors of 145420380
Divisors of 145420380
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 27 28 30 31 34 35 36 42 45 51 54 60 62 63 68 70 73 84 85 90 93 102 105 108 119 124 126 135 140 146 153 155 170 180 186 189 204 210 217 219 238 252 255 270 279 292 306 310 315 340 357 365 372 378 420 434 438 459 465 476 510 511 527 540 558 595 612 620 630 651 657 714 730 756 765 837 868 876 918 930 945 1020 1022 1054 1071 1085 1095 1116 1190 1241 1260 1302 1314 1395 1428 1460 1530 1533 1581 1674 1785 1836 1860 1890 1953 1971 2044 2108 2142 2170 2190 2263 2295 2380 2482 2555 2604 2628 2635 2790 3060 3066 3162 3213 3255 3285 3348 3570 3689 3723 3780 3906 3942 4185 4284 4340 4380 4526 4590 4599 4743 4964 5110 5270 5355 5580 5859 6132 6205 6324 6426 6510 6570 6789 7140 7378 7446 7665 7812 7884 7905 8370 8687 9052 9180 9198 9486 9765 9855 10220 10540 10710 11067 11169 11315 11718 12410 12852 13020 13140 13578 13797 14229 14756 14892 15330 15810 15841 16065 16740 17374 18396 18445 18615 18972 19530 19710 20367 21420 22134 22338 22630 22995 23436 23715 24820 26061 27156 27594 28458 29295 30660 31620 31682 32130 33201 33507 33945 34748 36890 37230 38471 39060 39420 40734 43435 44268 44676 45260 45990 47430 47523 52122 55188 55335 55845 56916 58590 61101 63364 64260 66402 67014 67890 68985 71145 73780 74460 76942 78183 79205 81468 86870 91980 94860 95046 99603 101835 104244 110670 111690 115413 117180 122202 130305 132804 134028 135780 137970 142290 142569 153884 156366 158410 166005 167535 173740 190092 192355 199206 203670 221340 223380 230826 234549 237615 244404 260610 269297 275940 284580 285138 305505 312732 316820 332010 335070 346239 384710 390915 398412 407340 427707 461652 469098 475230 498015 521220 538594 570276 577065 611010 664020 670140 692478 712845 769420 781830 807891 855414 938196 950460 996030 1038717 1077188 1154130 1172745 1222020 1346485 1384956 1425690 1563660 1615782 1710828 1731195 1992060 2077434 2138535 2308260 2345490 2423673 2692970 2851380 3231564 3462390 4039455 4154868 4277070 4690980 4847346 5193585 5385940 6924780 7271019 8078910 8554140 9694692 10387170 12118365 14542038 16157820 20774340 24236730 29084076 36355095 48473460 72710190 145420380
- Sum of all divisors σ(n): 572866560
- Sum of proper divisors (its aliquot sum) s(n): 427446180
- 145420380 is an abundant number, because the sum of its proper divisors (427446180) is greater than itself. Its abundance is 282025800
Bases of 145420380
- Binary: 10001010101011110000010111002
- Hexadecimal: 0x8AAF05C
- Base-36: 2EKV30
Squares and roots of 145420380
- 145420380 squared (1454203802) is 21147086919344400
- 145420380 cubed (1454203803) is 3075217415704091998872000
-
The
square root of 145420380 is 12059.0372750067 -
The
cube root of 145420380 is 525.8659993007
Scales and comparisons
How big is 145420380?- 145,420,380 seconds is equal to 4 years, 32 weeks, 3 days, 2 hours, 33 minutes.
-
To count from 1 to 145,420,380 would take you about six 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 145420380 cubic inches would be around 43.8 feet tall.
Recreational maths with 145420380
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