145105920
145,105,920 is an even composite number composed of five prime numbers multiplied together.
145105920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 145105920:
210 × 32 × 5 × 47 × 67
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 47 × 67)See below for interesting mathematical facts about the number 145105920 from the Numbermatics database.
Names of 145105920
- Cardinal: 145105920 can be written as One hundred forty-five million, one hundred five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.4510592 × 108
Factors of 145105920
Divisors of 145105920
- Number of divisors d(n): 264
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 47 48 60 64 67 72 80 90 94 96 120 128 134 141 144 160 180 188 192 201 235 240 256 268 282 288 320 335 360 376 384 402 423 470 480 512 536 564 576 603 640 670 705 720 752 768 804 846 940 960 1005 1024 1072 1128 1152 1206 1280 1340 1410 1440 1504 1536 1608 1692 1880 1920 2010 2115 2144 2256 2304 2412 2560 2680 2820 2880 3008 3015 3072 3149 3216 3384 3760 3840 4020 4230 4288 4512 4608 4824 5120 5360 5640 5760 6016 6030 6298 6432 6768 7520 7680 8040 8460 8576 9024 9216 9447 9648 10720 11280 11520 12032 12060 12596 12864 13536 15040 15360 15745 16080 16920 17152 18048 18894 19296 21440 22560 23040 24064 24120 25192 25728 27072 28341 30080 31490 32160 33840 34304 36096 37788 38592 42880 45120 46080 47235 48128 48240 50384 51456 54144 56682 60160 62980 64320 67680 68608 72192 75576 77184 85760 90240 94470 96480 100768 102912 108288 113364 120320 125960 128640 135360 141705 144384 151152 154368 171520 180480 188940 192960 201536 205824 216576 226728 240640 251920 257280 270720 283410 302304 308736 343040 360960 377880 385920 403072 433152 453456 503840 514560 541440 566820 604608 617472 721920 755760 771840 806144 906912 1007680 1029120 1082880 1133640 1209216 1511520 1543680 1612288 1813824 2015360 2165760 2267280 2418432 3023040 3087360 3224576 3627648 4030720 4534560 4836864 6046080 7255296 8061440 9069120 9673728 12092160 14510592 16122880 18138240 24184320 29021184 36276480 48368640 72552960 145105920
- Sum of all divisors σ(n): 521149824
- Sum of proper divisors (its aliquot sum) s(n): 376043904
- 145105920 is an abundant number, because the sum of its proper divisors (376043904) is greater than itself. Its abundance is 230937984
Bases of 145105920
- Binary: 10001010011000100100000000002
- Hexadecimal: 0x8A62400
- Base-36: 2EE4G0
Squares and roots of 145105920
- 145105920 squared (1451059202) is 21055728019046400
- 145105920 cubed (1451059203) is 3055310785473505394688000
-
The
square root of 145105920 is 12045.9918645165 -
The
cube root of 145105920 is 525.4866779591
Scales and comparisons
How big is 145105920?- 145,105,920 seconds is equal to 4 years, 31 weeks, 6 days, 11 hours, 12 minutes.
-
To count from 1 to 145,105,920 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 145105920 cubic inches would be around 43.8 feet tall.
Recreational maths with 145105920
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