2100987720
2,100,987,720 is an even composite number composed of five prime numbers multiplied together.
2100987720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 2100987720:
23 × 35 × 5 × 132 × 1279
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 13 × 13 × 1279)See below for interesting mathematical facts about the number 2100987720 from the Numbermatics database.
Names of 2100987720
- Cardinal: 2100987720 can be written as Two billion, one hundred million, nine hundred eighty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.10098772 × 109
Factors of 2100987720
Divisors of 2100987720
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 81 90 104 108 117 120 130 135 156 162 169 180 195 216 234 243 260 270 312 324 338 351 360 390 405 468 486 507 520 540 585 648 676 702 780 810 845 936 972 1014 1053 1080 1170 1215 1279 1352 1404 1521 1560 1620 1690 1755 1944 2028 2106 2340 2430 2535 2558 2808 3042 3159 3240 3380 3510 3837 4056 4212 4563 4680 4860 5070 5116 5265 6084 6318 6395 6760 7020 7605 7674 8424 9126 9720 10140 10232 10530 11511 12168 12636 12790 13689 14040 15210 15348 15795 16627 18252 19185 20280 21060 22815 23022 25272 25580 27378 30420 30696 31590 33254 34533 36504 38370 41067 42120 45630 46044 49881 51160 54756 57555 60840 63180 66508 68445 69066 76740 82134 83135 91260 92088 99762 103599 109512 115110 126360 133016 136890 138132 149643 153480 164268 166270 172665 182520 199524 205335 207198 216151 230220 249405 273780 276264 299286 310797 328536 332540 345330 399048 410670 414396 432302 448929 460440 498810 517995 547560 598572 621594 648453 665080 690660 748215 821340 828792 864604 897858 997620 1035990 1080755 1197144 1243188 1296906 1346787 1381320 1496430 1553985 1642680 1729208 1795716 1945359 1995240 2071980 2161510 2244645 2486376 2593812 2693574 2992860 3107970 3242265 3591432 3890718 4040361 4143960 4323020 4489290 5187624 5387148 5836077 5985720 6215940 6484530 6733935 7781436 8080722 8646040 8978580 9726795 10774296 11672154 12431880 12969060 13467870 15562872 16161444 17508231 17957160 19453590 20201805 23344308 25938120 26935740 29180385 32322888 35016462 38907180 40403610 46688616 52524693 53871480 58360770 70032924 77814360 80807220 87541155 105049386 116721540 140065848 161614440 175082310 210098772 233443080 262623465 350164620 420197544 525246930 700329240 1050493860 2100987720
- Sum of all divisors σ(n): 7673702400
- Sum of proper divisors (its aliquot sum) s(n): 5572714680
- 2100987720 is an abundant number, because the sum of its proper divisors (5572714680) is greater than itself. Its abundance is 3471726960
Bases of 2100987720
- Binary: 11111010011101010000111010010002
- Hexadecimal: 0x7D3A8748
- Base-36: YQVGI0
Squares and roots of 2100987720
- 2100987720 squared (21009877202) is 4414149399590798400
- 2100987720 cubed (21009877203) is 9274073682785640463395648000
-
The
square root of 2100987720 is 45836.5325913731 -
The
cube root of 2100987720 is 1280.7799039399
Scales and comparisons
How big is 2100987720?- 2,100,987,720 seconds is equal to 66 years, 41 weeks, 5 days, 23 hours, 42 minutes.
-
To count from 1 to 2,100,987,720 would take you about one hundred thirty-three 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 2100987720 cubic inches would be around 106.7 feet tall.
Recreational maths with 2100987720
- 2100987720 backwards is 0277890012
- 2100987720 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 2100987720's digits is 36
- More coming soon!
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