21120146928
21,120,146,928 is an even composite number composed of six prime numbers multiplied together.
21120146928 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 21120146928:
24 × 33 × 17 × 59 × 79 × 617
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 17 × 59 × 79 × 617)See below for interesting mathematical facts about the number 21120146928 from the Numbermatics database.
Names of 21120146928
- Cardinal: 21120146928 can be written as Twenty-one billion, one hundred twenty million, one hundred forty-six thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1120146928 × 1010
Factors of 21120146928
Divisors of 21120146928
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 59 68 72 79 102 108 118 136 144 153 158 177 204 216 236 237 272 306 316 354 408 432 459 472 474 531 612 617 632 708 711 816 918 944 948 1003 1062 1224 1234 1264 1343 1416 1422 1593 1836 1851 1896 2006 2124 2133 2448 2468 2686 2832 2844 3009 3186 3672 3702 3792 4012 4029 4248 4266 4661 4936 5372 5553 5688 6018 6372 7344 7404 8024 8058 8496 8532 9027 9322 9872 10489 10744 11106 11376 12036 12087 12744 13983 14808 16048 16116 16659 17064 18054 18644 20978 21488 22212 24072 24174 25488 27081 27966 29616 31467 32232 33318 34128 36108 36261 36403 37288 41949 41956 44424 48144 48348 48743 54162 55932 62934 64464 66636 72216 72522 72806 74576 79237 83898 83912 88848 94401 96696 97486 108324 109209 111864 125847 125868 133272 144432 145044 145612 146229 158474 167796 167824 188802 193392 194972 216648 218418 223728 237711 251694 251736 266544 283203 290088 291224 292458 316948 327627 335592 377604 389944 433296 436836 438687 475422 503388 503472 566406 580176 582448 584916 618851 633896 655254 671184 713133 755208 779888 828631 873672 877374 950844 982881 1006776 1132812 1169832 1237702 1267792 1310508 1316061 1426266 1510416 1657262 1747344 1754748 1856553 1901688 1965762 2013552 2139399 2265624 2339664 2475404 2485893 2621016 2632122 2852532 2875837 3314524 3509496 3713106 3803376 3931524 4278798 4531248 4950808 4971786 5242032 5264244 5569659 5705064 5751674 6629048 7018992 7426212 7457679 7863048 8557596 8627511 9901616 9943572 10528488 11139318 11410128 11503348 13258096 14852424 14915358 15726096 16708977 17115192 17255022 19887144 21056976 22278636 22373037 23006696 25882533 29704848 29830716 33417954 34230384 34510044 39774288 44557272 44746074 46013392 48889229 51765066 59661432 66835908 69020088 77647599 89114544 89492148 97778458 103530132 119322864 133671816 138040176 146667687 155295198 178984296 195556916 207060264 267343632 293335374 310590396 357968592 391113832 414120528 440003061 586670748 621180792 782227664 880006122 1173341496 1242361584 1320009183 1760012244 2346682992 2640018366 3520024488 5280036732 7040048976 10560073464 21120146928
- Sum of all divisors σ(n): 66210048000
- Sum of proper divisors (its aliquot sum) s(n): 45089901072
- 21120146928 is an abundant number, because the sum of its proper divisors (45089901072) is greater than itself. Its abundance is 23969754144
Bases of 21120146928
- Binary: 100111010101101101111011101111100002
- Hexadecimal: 0x4EADBDDF0
- Base-36: 9PAE1O0
Squares and roots of 21120146928
- 21120146928 squared (211201469282) is 446060606260307837184
- 21120146928 cubed (211201469283) is 9420865543010458135835981770752
-
The
square root of 21120146928 is 145327.7225033131 -
The
cube root of 21120146928 is 2764.1757019307
Scales and comparisons
How big is 21120146928?- 21,120,146,928 seconds is equal to 671 years, 28 weeks, 6 days, 3 hours, 28 minutes, 48 seconds.
-
To count from 1 to 21,120,146,928 would take you about one thousand, three hundred forty-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 21120146928 cubic inches would be around 230.3 feet tall.
Recreational maths with 21120146928
- 21120146928 backwards is 82964102112
- 21120146928 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21120146928's digits is 36
- More coming soon!
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