21005207616
21,005,207,616 is an even composite number composed of six prime numbers multiplied together.
21005207616 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21005207616:
26 × 3 × 17 × 29 × 532 × 79
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 17 × 29 × 53 × 53 × 79)See below for interesting mathematical facts about the number 21005207616 from the Numbermatics database.
Names of 21005207616
- Cardinal: 21005207616 can be written as Twenty-one billion, five million, two hundred seven thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 2.1005207616 × 1010
Factors of 21005207616
Divisors of 21005207616
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 6 8 12 16 17 24 29 32 34 48 51 53 58 64 68 79 87 96 102 106 116 136 158 159 174 192 204 212 232 237 272 316 318 348 408 424 464 474 493 544 632 636 696 816 848 901 928 948 986 1088 1264 1272 1343 1392 1479 1537 1632 1696 1802 1856 1896 1972 2291 2528 2544 2686 2703 2784 2809 2958 3074 3264 3392 3604 3792 3944 4029 4187 4582 4611 5056 5088 5372 5406 5568 5618 5916 6148 6873 7208 7584 7888 8058 8374 8427 9164 9222 10176 10744 10812 11236 11832 12296 12561 13746 14416 15168 15776 16116 16748 16854 18328 18444 21488 21624 22472 23664 24592 25122 26129 27492 28832 31552 32232 33496 33708 36656 36888 38947 42976 43248 44944 47328 47753 49184 50244 52258 54984 57664 64464 66992 67416 71179 73312 73776 77894 78387 81461 85952 86496 89888 94656 95506 98368 100488 104516 109968 116841 121423 128928 133984 134832 142358 143259 146624 147552 155788 156774 162922 172992 179776 191012 200976 209032 213537 219936 221911 233682 242846 244383 257856 267968 269664 284716 286518 295104 311576 313548 325844 364269 382024 401952 418064 427074 439872 443822 467364 485692 488766 539328 569432 573036 623152 627096 651688 665733 728538 764048 803904 836128 854148 887644 934728 971384 977532 1138864 1146072 1246304 1254192 1303376 1331466 1384837 1457076 1528096 1672256 1708296 1775288 1869456 1942768 1955064 2064191 2277728 2292144 2492608 2508384 2606752 2662932 2769674 2914152 3056192 3416592 3550576 3738912 3772487 3885536 3910128 4128382 4154511 4555456 4584288 5016768 5213504 5325864 5539348 5828304 6192573 6435419 6833184 7101152 7477824 7544974 7771072 7820256 8256764 8309022 9168576 10651728 11078696 11317461 11656608 12385146 12870838 13666368 14202304 15089948 15640512 16513528 16618044 19306257 21303456 22157392 22634922 23313216 24770292 25741676 30179896 33027056 33236088 38612514 42606912 44314784 45269844 49540584 51483352 60359792 66054112 66472176 77225028 88629568 90539688 99081168 102966704 109402123 120719584 132108224 132944352 154450056 181079376 198162336 205933408 218804246 241439168 265888704 308900112 328206369 362158752 396324672 411866816 437608492 617800224 656412738 724317504 875216984 1235600448 1312825476 1750433968 2625650952 3500867936 5251301904 7001735872 10502603808 21005207616
- Sum of all divisors σ(n): 62830252800
- Sum of proper divisors (its aliquot sum) s(n): 41825045184
- 21005207616 is an abundant number, because the sum of its proper divisors (41825045184) is greater than itself. Its abundance is 20819837568
Bases of 21005207616
- Binary: 100111001000000001000001000010000002
- Hexadecimal: 0x4E4020840
- Base-36: 9NDYHXC
Squares and roots of 21005207616
- 21005207616 squared (210052076162) is 441218746991264403456
- 21005207616 cubed (210052076163) is 9267891384622884132943667920896
-
The
square root of 21005207616 is 144931.7343303391 -
The
cube root of 21005207616 is 2759.1522117815
Scales and comparisons
How big is 21005207616?- 21,005,207,616 seconds is equal to 667 years, 46 weeks, 5 days, 19 hours, 53 minutes, 36 seconds.
-
To count from 1 to 21,005,207,616 would take you about one thousand, three hundred thirty-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 21005207616 cubic inches would be around 229.9 feet tall.
Recreational maths with 21005207616
- 21005207616 backwards is 61670250012
- The number of decimal digits it has is: 11
- The sum of 21005207616's digits is 30
- More coming soon!
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