21319137840
21,319,137,840 is an even composite number composed of seven prime numbers multiplied together.
21319137840 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21319137840:
24 × 3 × 5 × 7 × 11 × 13 × 88741
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 11 × 13 × 88741)See below for interesting mathematical facts about the number 21319137840 from the Numbermatics database.
Names of 21319137840
- Cardinal: 21319137840 can be written as Twenty-one billion, three hundred nineteen million, one hundred thirty-seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.131913784 × 1010
Factors of 21319137840
Divisors of 21319137840
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 20 21 22 24 26 28 30 33 35 39 40 42 44 48 52 55 56 60 65 66 70 77 78 80 84 88 91 104 105 110 112 120 130 132 140 143 154 156 165 168 176 182 195 208 210 220 231 240 260 264 273 280 286 308 312 330 336 364 385 390 420 429 440 455 462 520 528 546 560 572 616 624 660 715 728 770 780 840 858 880 910 924 1001 1040 1092 1144 1155 1232 1320 1365 1430 1456 1540 1560 1680 1716 1820 1848 2002 2145 2184 2288 2310 2640 2730 2860 3003 3080 3120 3432 3640 3696 4004 4290 4368 4620 5005 5460 5720 6006 6160 6864 7280 8008 8580 9240 10010 10920 11440 12012 15015 16016 17160 18480 20020 21840 24024 30030 34320 40040 48048 60060 80080 88741 120120 177482 240240 266223 354964 443705 532446 621187 709928 887410 976151 1064892 1153633 1242374 1331115 1419856 1774820 1863561 1952302 2129784 2307266 2484748 2662230 2928453 3105935 3460899 3549640 3727122 3904604 4259568 4614532 4880755 4969496 5324460 5768165 5856906 6211870 6833057 6921798 7099280 7454244 7809208 8075431 9229064 9317805 9761510 9938992 10648920 11536330 11713812 12423740 12689963 13666114 13843596 14642265 14908488 15618416 16150862 17304495 18458128 18635610 19523020 20499171 21297840 23072660 23427624 24226293 24847480 25379926 27332228 27687192 29284530 29816976 32301724 34165285 34608990 37271220 38069889 39046040 40377155 40998342 46145320 46855248 48452586 49694960 50759852 54664456 55374384 58569060 63449815 64603448 68330570 69217980 74542440 76139778 78092080 80754310 81996684 88829741 92290640 96905172 101519704 102495855 109328912 117138120 121131465 126899630 129206896 136661140 138435960 149084880 152279556 161508620 163993368 177659482 190349445 193810344 203039408 204991710 234276240 242262930 253799260 266489223 273322280 276871920 304559112 323017240 327986736 355318964 380698890 387620688 409983420 444148705 484525860 507598520 532978446 546644560 609118224 646034480 710637928 761397780 819966840 888297410 969051720 1015197040 1065956892 1332446115 1421275856 1522795560 1639933680 1776594820 1938103440 2131913784 2664892230 3045591120 3553189640 4263827568 5329784460 7106379280 10659568920 21319137840
- Sum of all divisors σ(n): 88736320512
- Sum of proper divisors (its aliquot sum) s(n): 67417182672
- 21319137840 is an abundant number, because the sum of its proper divisors (67417182672) is greater than itself. Its abundance is 46098044832
Bases of 21319137840
- Binary: 100111101101011100000111010001100002
- Hexadecimal: 0x4F6B83A30
- Base-36: 9SKV41C
Squares and roots of 21319137840
- 21319137840 squared (213191378402) is 454505638240919865600
- 21319137840 cubed (213191378403) is 9689668350715345743120674304000
-
The
square root of 21319137840 is 146010.7456319569 -
The
cube root of 21319137840 is 2772.8297980719
Scales and comparisons
How big is 21319137840?- 21,319,137,840 seconds is equal to 677 years, 45 weeks, 6 days, 6 hours, 44 minutes.
-
To count from 1 to 21,319,137,840 would take you about one thousand, three hundred fifty-five 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 21319137840 cubic inches would be around 231.1 feet tall.
Recreational maths with 21319137840
- 21319137840 backwards is 04873191312
- 21319137840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21319137840's digits is 39
- More coming soon!
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