20420395920
20,420,395,920 is an even composite number composed of six prime numbers multiplied together.
20420395920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 20420395920:
24 × 33 × 5 × 17 × 19 × 29269
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 17 × 19 × 29269)See below for interesting mathematical facts about the number 20420395920 from the Numbermatics database.
Names of 20420395920
- Cardinal: 20420395920 can be written as Twenty billion, four hundred twenty million, three hundred ninety-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.042039592 × 1010
Factors of 20420395920
Divisors of 20420395920
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 19 20 24 27 30 34 36 38 40 45 48 51 54 57 60 68 72 76 80 85 90 95 102 108 114 120 135 136 144 152 153 170 171 180 190 204 216 228 240 255 270 272 285 304 306 323 340 342 360 380 408 432 456 459 510 513 540 570 612 646 680 684 720 760 765 816 855 912 918 969 1020 1026 1080 1140 1224 1292 1360 1368 1520 1530 1615 1710 1836 1938 2040 2052 2160 2280 2295 2448 2565 2584 2736 2907 3060 3230 3420 3672 3876 4080 4104 4560 4590 4845 5130 5168 5814 6120 6460 6840 7344 7752 8208 8721 9180 9690 10260 11628 12240 12920 13680 14535 15504 17442 18360 19380 20520 23256 25840 29070 29269 34884 36720 38760 41040 43605 46512 58140 58538 69768 77520 87210 87807 116280 117076 139536 146345 174420 175614 232560 234152 263421 292690 348840 351228 439035 468304 497573 526842 556111 585380 697680 702456 790263 878070 995146 1053684 1112222 1170760 1317105 1404912 1492719 1580526 1668333 1756140 1990292 2107368 2224444 2341520 2487865 2634210 2780555 2985438 3161052 3336666 3512280 3951315 3980584 4214736 4448888 4478157 4975730 5004999 5268420 5561110 5970876 6322104 6673332 7024560 7463595 7902630 7961168 8341665 8897776 8956314 9453887 9951460 10009998 10536840 11122220 11941752 12644208 13346664 13434471 14927190 15014997 15805260 16683330 17912628 18907774 19902920 20019996 21073680 22244440 22390785 23883504 25024995 26693328 26868942 28361661 29854380 30029994 31610520 33366660 35825256 37815548 39805840 40039992 44488880 44781570 47269435 50049990 53737884 56723322 59708760 60059988 63221040 66733320 67172355 71650512 75074985 75631096 80079984 85084983 89563140 94538870 100099980 107475768 113446644 119417520 120119976 133466640 134344710 141808305 150149970 151262192 170169966 179126280 189077740 200199960 214951536 226893288 240239952 255254949 268689420 283616610 300299940 340339932 358252560 378155480 400399920 425424915 453786576 510509898 537378840 567233220 600599880 680679864 756310960 850849830 1021019796 1074757680 1134466440 1201199760 1276274745 1361359728 1701699660 2042039592 2268932880 2552549490 3403399320 4084079184 5105098980 6806798640 10210197960 20420395920
- Sum of all divisors σ(n): 78396768000
- Sum of proper divisors (its aliquot sum) s(n): 57976372080
- 20420395920 is an abundant number, because the sum of its proper divisors (57976372080) is greater than itself. Its abundance is 37555976160
Bases of 20420395920
- Binary: 100110000010010011010000011100100002
- Hexadecimal: 0x4C1268390
- Base-36: 9DPRYC0
Squares and roots of 20420395920
- 20420395920 squared (204203959202) is 416992569529552646400
- 20420395920 cubed (204203959203) is 8515153365491593179971762688000
-
The
square root of 20420395920 is 142899.9507347711 -
The
cube root of 20420395920 is 2733.3047287641
Scales and comparisons
How big is 20420395920?- 20,420,395,920 seconds is equal to 649 years, 15 weeks, 6 days, 4 hours, 12 minutes.
-
To count from 1 to 20,420,395,920 would take you about one thousand, two hundred ninety-eight 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 20420395920 cubic inches would be around 227.8 feet tall.
Recreational maths with 20420395920
- 20420395920 backwards is 02959302402
- 20420395920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20420395920's digits is 36
- More coming soon!
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