1215390000
1,215,390,000 is an even composite number composed of six prime numbers multiplied together.
1215390000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 1215390000:
24 × 3 × 54 × 11 × 29 × 127
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 11 × 29 × 127)See below for interesting mathematical facts about the number 1215390000 from the Numbermatics database.
Names of 1215390000
- Cardinal: 1215390000 can be written as One billion, two hundred fifteen million, three hundred ninety thousand.
Scientific notation
- Scientific notation: 1.21539 × 109
Factors of 1215390000
Divisors of 1215390000
- Number of divisors d(n): 400
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 29 30 33 40 44 48 50 55 58 60 66 75 80 87 88 100 110 116 120 125 127 132 145 150 165 174 176 200 220 232 240 250 254 264 275 290 300 319 330 348 375 381 400 435 440 464 500 508 528 550 580 600 625 635 638 660 696 725 750 762 825 870 880 957 1000 1016 1100 1160 1200 1250 1270 1276 1320 1375 1392 1397 1450 1500 1524 1595 1650 1740 1875 1905 1914 2000 2032 2175 2200 2320 2500 2540 2552 2640 2750 2794 2900 3000 3048 3175 3190 3300 3480 3625 3683 3750 3810 3828 4125 4191 4350 4400 4785 5000 5080 5104 5500 5588 5800 6000 6096 6350 6380 6600 6875 6960 6985 7250 7366 7500 7620 7656 7975 8250 8382 8700 9525 9570 10000 10160 10875 11000 11049 11176 11600 12700 12760 13200 13750 13970 14500 14732 15000 15240 15312 15875 15950 16500 16764 17400 18125 18415 19050 19140 20625 20955 21750 22000 22098 22352 23925 25400 25520 27500 27940 29000 29464 30000 30480 31750 31900 33000 33528 34800 34925 36250 36830 38100 38280 39875 40513 41250 41910 43500 44196 47625 47850 50800 54375 55000 55245 55880 58000 58928 63500 63800 66000 67056 69850 72500 73660 76200 76560 79375 79750 81026 82500 83820 87000 88392 92075 95250 95700 104775 108750 110000 110490 111760 119625 121539 127000 127600 139700 145000 147320 152400 158750 159500 162052 165000 167640 174000 174625 176784 184150 190500 191400 199375 202565 209550 217500 220980 238125 239250 243078 254000 276225 279400 290000 294640 317500 319000 324104 330000 335280 349250 368300 381000 382800 398750 405130 419100 435000 441960 460375 476250 478500 486156 523875 552450 558800 598125 607695 635000 638000 648208 698500 736600 762000 797500 810260 838200 870000 873125 883920 920750 952500 957000 972312 1012825 1047750 1104900 1196250 1215390 1270000 1381125 1397000 1473200 1595000 1620520 1676400 1746250 1841500 1905000 1914000 1944624 2025650 2095500 2209800 2301875 2392500 2430780 2619375 2762250 2794000 3038475 3190000 3241040 3492500 3683000 3810000 4051300 4191000 4419600 4603750 4785000 4861560 5064125 5238750 5524500 6076950 6905625 6985000 7366000 8102600 8382000 9207500 9570000 9723120 10128250 10477500 11049000 12153900 13811250 13970000 15192375 16205200 18415000 20256500 20955000 22098000 24307800 25320625 27622500 30384750 36830000 40513000 41910000 48615600 50641250 55245000 60769500 75961875 81026000 101282500 110490000 121539000 151923750 202565000 243078000 303847500 405130000 607695000 1215390000
- Sum of all divisors σ(n): 4462571520
- Sum of proper divisors (its aliquot sum) s(n): 3247181520
- 1215390000 is an abundant number, because the sum of its proper divisors (3247181520) is greater than itself. Its abundance is 2031791520
Bases of 1215390000
- Binary: 10010000111000101100001001100002
- Hexadecimal: 0x48716130
- Base-36: K3M0XC
Squares and roots of 1215390000
- 1215390000 squared (12153900002) is 1477172852100000000
- 1215390000 cubed (12153900003) is 1795341112713819000000000000
-
The
square root of 1215390000 is 34862.4439762905 -
The
cube root of 1215390000 is 1067.1821510171
Scales and comparisons
How big is 1215390000?- 1,215,390,000 seconds is equal to 38 years, 33 weeks, 4 days, 20 minutes.
-
To count from 1 to 1,215,390,000 would take you about seventy-seven 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 1215390000 cubic inches would be around 88.9 feet tall.
Recreational maths with 1215390000
- 1215390000 backwards is 0000935121
- The number of decimal digits it has is: 10
- The sum of 1215390000's digits is 21
- More coming soon!
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