421155980
421,155,980 is an even composite number composed of five prime numbers multiplied together.
421155980 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 421155980:
22 × 5 × 73 × 292 × 73
(2 × 2 × 5 × 7 × 7 × 7 × 29 × 29 × 73)See below for interesting mathematical facts about the number 421155980 from the Numbermatics database.
Names of 421155980
- Cardinal: 421155980 can be written as Four hundred twenty-one million, one hundred fifty-five thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 4.2115598 × 108
Factors of 421155980
Divisors of 421155980
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 29 35 49 58 70 73 98 116 140 145 146 196 203 245 290 292 343 365 406 490 511 580 686 730 812 841 980 1015 1022 1372 1421 1460 1682 1715 2030 2044 2117 2555 2842 3364 3430 3577 4060 4205 4234 5110 5684 5887 6860 7105 7154 8410 8468 9947 10220 10585 11774 14210 14308 14819 16820 17885 19894 21170 23548 25039 28420 29435 29638 35770 39788 41209 42340 49735 50078 58870 59276 61393 71540 74095 82418 99470 100156 103733 117740 122786 125195 148190 164836 198940 206045 207466 245572 250390 288463 296380 306965 412090 414932 429751 500780 518665 576926 613930 726131 824180 859502 1037330 1153852 1227860 1442315 1452262 1719004 2074660 2148755 2884630 2904524 3008257 3630655 4297510 5769260 6016514 7261310 8595020 12033028 14522620 15041285 21057799 30082570 42115598 60165140 84231196 105288995 210577990 421155980
- Sum of all divisors σ(n): 1082827200
- Sum of proper divisors (its aliquot sum) s(n): 661671220
- 421155980 is an abundant number, because the sum of its proper divisors (661671220) is greater than itself. Its abundance is 240515240
Bases of 421155980
- Binary: 110010001101001010100100011002
- Hexadecimal: 0x191A548C
- Base-36: 6YQU18
Squares and roots of 421155980
- 421155980 squared (4211559802) is 177372359489760400
- 421155980 cubed (4211559803) is 74701429885822341227192000
-
The
square root of 421155980 is 20522.0851767067 -
The
cube root of 421155980 is 749.5736717789
Scales and comparisons
How big is 421155980?- 421,155,980 seconds is equal to 13 years, 20 weeks, 2 days, 11 hours, 46 minutes, 20 seconds.
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To count from 1 to 421,155,980 would take you about twenty 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 421155980 cubic inches would be around 62.5 feet tall.
Recreational maths with 421155980
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