20689489920
20,689,489,920 is an even composite number composed of five prime numbers multiplied together.
20689489920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred twenty divisors.
Prime factorization of 20689489920:
212 × 3 × 5 × 114 × 23
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 11 × 11 × 11 × 23)See below for interesting mathematical facts about the number 20689489920 from the Numbermatics database.
Names of 20689489920
- Cardinal: 20689489920 can be written as Twenty billion, six hundred eighty-nine million, four hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.068948992 × 1010
Factors of 20689489920
Divisors of 20689489920
- Number of divisors d(n): 520
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 23 24 30 32 33 40 44 46 48 55 60 64 66 69 80 88 92 96 110 115 120 121 128 132 138 160 165 176 184 192 220 230 240 242 253 256 264 276 320 330 345 352 363 368 384 440 460 480 484 506 512 528 552 605 640 660 690 704 726 736 759 768 880 920 960 968 1012 1024 1056 1104 1210 1265 1280 1320 1331 1380 1408 1452 1472 1518 1536 1760 1815 1840 1920 1936 2024 2048 2112 2208 2420 2530 2560 2640 2662 2760 2783 2816 2904 2944 3036 3072 3520 3630 3680 3795 3840 3872 3993 4048 4096 4224 4416 4840 5060 5120 5280 5324 5520 5566 5632 5808 5888 6072 6144 6655 7040 7260 7360 7590 7680 7744 7986 8096 8349 8448 8832 9680 10120 10240 10560 10648 11040 11132 11264 11616 11776 12144 12288 13310 13915 14080 14520 14641 14720 15180 15360 15488 15972 16192 16698 16896 17664 19360 19965 20240 20480 21120 21296 22080 22264 22528 23232 23552 24288 26620 27830 28160 29040 29282 29440 30360 30613 30720 30976 31944 32384 33396 33792 35328 38720 39930 40480 41745 42240 42592 43923 44160 44528 45056 46464 47104 48576 53240 55660 56320 58080 58564 58880 60720 61226 61440 61952 63888 64768 66792 67584 70656 73205 77440 79860 80960 83490 84480 85184 87846 88320 89056 91839 92928 94208 97152 106480 111320 112640 116160 117128 117760 121440 122452 123904 127776 129536 133584 135168 141312 146410 153065 154880 159720 161920 166980 168960 170368 175692 176640 178112 183678 185856 194304 212960 219615 222640 225280 232320 234256 235520 242880 244904 247808 255552 259072 267168 282624 292820 306130 309760 319440 323840 333960 336743 337920 340736 351384 353280 356224 367356 371712 388608 425920 439230 445280 459195 464640 468512 471040 485760 489808 495616 511104 518144 534336 585640 612260 619520 638880 647680 667920 673486 675840 681472 702768 706560 712448 734712 743424 777216 851840 878460 890560 918390 929280 937024 971520 979616 1010229 1022208 1036288 1068672 1171280 1224520 1239040 1277760 1295360 1335840 1346972 1362944 1405536 1413120 1424896 1469424 1486848 1554432 1683715 1703680 1756920 1781120 1836780 1858560 1874048 1943040 1959232 2020458 2044416 2137344 2342560 2449040 2478080 2555520 2590720 2671680 2693944 2725888 2811072 2849792 2938848 3108864 3367430 3407360 3513840 3562240 3673560 3717120 3748096 3886080 3918464 4040916 4088832 4274688 4685120 4898080 5051145 5111040 5181440 5343360 5387888 5451776 5622144 5699584 5877696 6734860 6814720 7027680 7124480 7347120 7434240 7496192 7772160 7836928 8081832 8177664 8549376 9370240 9796160 10102290 10222080 10686720 10775776 11244288 11399168 11755392 13469720 13629440 14055360 14248960 14694240 14992384 15544320 15673856 16163664 16355328 17098752 18740480 19592320 20204580 20444160 21373440 21551552 22488576 23510784 26939440 27258880 28110720 28497920 29388480 29984768 31347712 32327328 34197504 37480960 39184640 40409160 40888320 42746880 43103104 44977152 47021568 53878880 56221440 56995840 58776960 59969536 62695424 64654656 74961920 78369280 80818320 81776640 85493760 86206208 89954304 94043136 107757760 112442880 117553920 125390848 129309312 149923840 156738560 161636640 170987520 172412416 179908608 188086272 215515520 224885760 235107840 258618624 299847680 313477120 323273280 344824832 376172544 431031040 449771520 470215680 517237248 626954240 646546560 689649664 862062080 899543040 940431360 1034474496 1293093120 1379299328 1724124160 1880862720 2068948992 2586186240 3448248320 4137897984 5172372480 6896496640 10344744960 20689489920
- Sum of all divisors σ(n): 75983647680
- Sum of proper divisors (its aliquot sum) s(n): 55294157760
- 20689489920 is an abundant number, because the sum of its proper divisors (55294157760) is greater than itself. Its abundance is 34604667840
Bases of 20689489920
- Binary: 100110100010011000010010000000000002
- Hexadecimal: 0x4D1309000
- Base-36: 9I5ZKLC
Squares and roots of 20689489920
- 20689489920 squared (206894899202) is 428054993149781606400
- 20689489920 cubed (206894899203) is 8856239465978075595814207488000
-
The
square root of 20689489920 is 143838.4160090759 -
The
cube root of 20689489920 is 2745.2586031793
Scales and comparisons
How big is 20689489920?- 20,689,489,920 seconds is equal to 657 years, 44 weeks, 5 days, 16 hours, 32 minutes.
-
To count from 1 to 20,689,489,920 would take you about one thousand, three hundred fifteen 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 20689489920 cubic inches would be around 228.8 feet tall.
Recreational maths with 20689489920
- 20689489920 backwards is 02998498602
- The number of decimal digits it has is: 11
- The sum of 20689489920's digits is 57
- More coming soon!
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