145409220
145,409,220 is an even composite number composed of seven prime numbers multiplied together.
145409220 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 145409220:
22 × 32 × 5 × 11 × 23 × 31 × 103
(2 × 2 × 3 × 3 × 5 × 11 × 23 × 31 × 103)See below for interesting mathematical facts about the number 145409220 from the Numbermatics database.
Names of 145409220
- Cardinal: 145409220 can be written as One hundred forty-five million, four hundred nine thousand, two hundred twenty.
Scientific notation
- Scientific notation: 1.4540922 × 108
Factors of 145409220
Divisors of 145409220
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 23 30 31 33 36 44 45 46 55 60 62 66 69 90 92 93 99 103 110 115 124 132 138 155 165 180 186 198 206 207 220 230 253 276 279 309 310 330 341 345 372 396 412 414 460 465 495 506 515 558 618 620 660 682 690 713 759 828 927 930 990 1012 1023 1030 1035 1116 1133 1236 1265 1364 1380 1395 1426 1518 1545 1705 1854 1860 1980 2046 2060 2070 2139 2266 2277 2369 2530 2790 2852 3036 3069 3090 3193 3399 3410 3565 3708 3795 4092 4140 4278 4532 4554 4635 4738 5060 5115 5580 5665 6138 6180 6386 6417 6798 6820 7107 7130 7590 7843 8556 9108 9270 9476 9579 10197 10230 10695 11330 11385 11845 12276 12772 12834 13596 14214 14260 15180 15345 15686 15965 16995 18540 19158 20394 20460 21321 21390 22660 22770 23529 23690 25668 26059 28428 28737 30690 31372 31930 32085 33990 35123 35535 38316 39215 40788 42642 42780 45540 47058 47380 47895 50985 52118 57474 61380 63860 64170 67980 70246 70587 71070 73439 78177 78430 85284 94116 95790 101970 104236 105369 106605 114948 117645 128340 130295 140492 141174 142140 143685 146878 156354 156860 175615 191580 203940 210738 213210 220317 234531 235290 260590 282348 287370 293756 312708 316107 351230 352935 367195 390885 421476 426420 440634 469062 470580 521180 526845 574740 632214 660951 702460 705870 734390 781770 807829 881268 938124 1053690 1101585 1172655 1264428 1321902 1411740 1468780 1563540 1580535 1615658 2107380 2203170 2345310 2423487 2643804 3161070 3231316 3304755 4039145 4406340 4690620 4846974 6322140 6609510 7270461 8078290 9693948 12117435 13219020 14540922 16156580 24234870 29081844 36352305 48469740 72704610 145409220
- Sum of all divisors σ(n): 523321344
- Sum of proper divisors (its aliquot sum) s(n): 377912124
- 145409220 is an abundant number, because the sum of its proper divisors (377912124) is greater than itself. Its abundance is 232502904
Bases of 145409220
- Binary: 10001010101011000100110001002
- Hexadecimal: 0x8AAC4C4
- Base-36: 2EKMH0
Squares and roots of 145409220
- 145409220 squared (1454092202) is 21143841261008400
- 145409220 cubed (1454092203) is 3074509465567047857448000
-
The
square root of 145409220 is 12058.5745426233 -
The
cube root of 145409220 is 525.8525467739
Scales and comparisons
How big is 145409220?- 145,409,220 seconds is equal to 4 years, 32 weeks, 2 days, 23 hours, 27 minutes.
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To count from 1 to 145,409,220 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 145409220 cubic inches would be around 43.8 feet tall.
Recreational maths with 145409220
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