51381387720
51,381,387,720 is an even composite number composed of six prime numbers multiplied together.
51381387720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 51381387720:
23 × 35 × 5 × 132 × 31 × 1009
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 13 × 13 × 31 × 1009)See below for interesting mathematical facts about the number 51381387720 from the Numbermatics database.
Names of 51381387720
- Cardinal: 51381387720 can be written as Fifty-one billion, three hundred eighty-one million, three hundred eighty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 5.138138772 × 1010
Factors of 51381387720
Divisors of 51381387720
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 31 36 39 40 45 52 54 60 62 65 72 78 81 90 93 104 108 117 120 124 130 135 155 156 162 169 180 186 195 216 234 243 248 260 270 279 310 312 324 338 351 360 372 390 403 405 465 468 486 507 520 540 558 585 620 648 676 702 744 780 806 810 837 845 930 936 972 1009 1014 1053 1080 1116 1170 1209 1215 1240 1352 1395 1404 1521 1560 1612 1620 1674 1690 1755 1860 1944 2015 2018 2028 2106 2232 2340 2418 2430 2511 2535 2790 2808 3027 3042 3159 3224 3240 3348 3380 3510 3627 3720 4030 4036 4056 4185 4212 4563 4680 4836 4860 5022 5045 5070 5239 5265 5580 6045 6054 6084 6318 6696 6760 7020 7254 7533 7605 8060 8072 8370 8424 9081 9126 9672 9720 10044 10090 10140 10478 10530 10881 11160 12090 12108 12168 12555 12636 13117 13689 14040 14508 15066 15135 15210 15717 15795 16120 16740 18135 18162 18252 20088 20180 20280 20956 21060 21762 22815 24180 24216 25110 25272 26195 26234 27243 27378 29016 30132 30270 30420 31279 31434 31590 32643 33480 36270 36324 36504 37665 39351 40360 41067 41912 42120 43524 45405 45630 47151 48360 50220 52390 52468 54405 54486 54756 60264 60540 60840 62558 62868 63180 65286 65585 68445 72540 72648 75330 78585 78702 81729 82134 87048 90810 91260 93837 94302 97929 100440 104780 104936 108810 108972 109512 118053 121080 125116 125736 126360 130572 131170 136215 136890 141453 145080 150660 156395 157170 157404 163215 163458 164268 170521 181620 182520 187674 188604 195858 196755 205335 209560 217620 217944 235755 236106 245187 250232 261144 262340 272430 273780 281511 282906 301320 312790 314340 314808 326430 326916 328536 341042 354159 363240 375348 377208 391716 393510 406627 408645 410670 424359 435240 469185 471510 472212 489645 490374 511563 524680 544860 547560 563022 565812 590265 625580 628680 652860 653832 682084 707265 708318 750696 783432 787020 813254 817290 821340 844533 848718 852605 938370 943020 944424 979290 980748 1023126 1062477 1089720 1126044 1131624 1180530 1219881 1225935 1251160 1273077 1305720 1364168 1407555 1414530 1416636 1534689 1574040 1626508 1634580 1642680 1689066 1697436 1705210 1770795 1876740 1886040 1958580 1961496 2033135 2046252 2121795 2124954 2252088 2361060 2439762 2451870 2533599 2546154 2557815 2815110 2829060 2833272 3069378 3187431 3253016 3269160 3378132 3394872 3410420 3541590 3659643 3753480 3917160 4066270 4092504 4222665 4243590 4249908 4604067 4722120 4879524 4903740 5067198 5092308 5115630 5286151 5312385 5630220 5658120 6099405 6138756 6365385 6374862 6756264 6820840 7083180 7319286 7600797 7673445 8132540 8445330 8487180 8499816 9208134 9759048 9807480 10134396 10184616 10231260 10572302 10624770 10978929 11260440 12198810 12277512 12667995 12730770 12749724 13812201 14166360 14638572 15201594 15346890 15858453 15937155 16265080 16890660 16974360 18298215 18416268 20268792 20462520 21144604 21249540 21957858 23020335 24397620 25335990 25461540 25499448 26430755 27624402 29277144 30403188 30693780 31716906 31874310 32936787 33781320 36596430 36832536 38003985 41436603 42289208 42499080 43915716 46040670 47575359 48795240 50671980 50923080 52861510 54894645 55248804 60806376 61387560 63433812 63748620 65873574 69061005 73192860 76007970 79292265 82873206 87831432 92081340 95150718 98810361 101343960 105723020 109789290 110497608 126867624 127497240 131747148 138122010 142726077 146385720 152015940 158584530 164683935 165746412 184162680 190301436 197620722 207183015 211446040 219578580 237876795 263494296 276244020 285452154 304031880 317169060 329367870 331492824 380602872 395241444 414366030 428178231 439157160 475753590 494051805 552488040 570904308 634338120 658735740 713630385 790482888 828732060 856356462 951507180 988103610 1141808616 1284534693 1317471480 1427260770 1657464120 1712712924 1903014360 1976207220 2140891155 2569069386 2854521540 3425425848 3952414440 4281782310 5138138772 5709043080 6422673465 8563564620 10276277544 12845346930 17127129240 25690693860 51381387720
- Sum of all divisors σ(n): 193760985600
- Sum of proper divisors (its aliquot sum) s(n): 142379597880
- 51381387720 is an abundant number, because the sum of its proper divisors (142379597880) is greater than itself. Its abundance is 90998210160
Bases of 51381387720
- Binary: 1011111101101001000111000001110010002
- Hexadecimal: 0xBF691C1C8
- Base-36: NLR5GI0
Squares and roots of 51381387720
- 51381387720 squared (513813877202) is 2640047004032966798400
- 51381387720 cubed (513813877203) is 135649278713242270730477475648000
-
The
square root of 51381387720 is 226674.6296346373 -
The
cube root of 51381387720 is 3717.6509363067
Scales and comparisons
How big is 51381387720?- 51,381,387,720 seconds is equal to 1,633 years, 39 weeks, 6 days, 23 hours, 42 minutes.
-
To count from 1 to 51,381,387,720 would take you about three thousand, two hundred sixty-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 51381387720 cubic inches would be around 309.8 feet tall.
Recreational maths with 51381387720
- 51381387720 backwards is 02778318315
- 51381387720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 51381387720's digits is 45
- More coming soon!
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