20210724864

Names of 20210724864

• Cardinal: 20210724864 can be written as Twenty billion, two hundred ten million, seven hundred twenty-four thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.0210724864 × 10¹⁰

Factors of 20210724864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 236

Divisors of 20210724864

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 23 24 32 33 36 44 46 48 64 66 69 72 88 92 96 99 121 128 132 138 144 176 184 192 197 198 207 242 253 256 264 276 288 352 363 368 384 394 396 414 484 506 512 528 552 576 591 704 726 736 759 768 788 792 828 968 1012 1024 1056 1089 1104 1152 1182 1408 1452 1472 1518 1536 1576 1584 1656 1773 1936 2024 2048 2112 2167 2178 2208 2277 2304 2364 2783 2816 2904 2944 3036 3072 3152 3168 3312 3546 3872 4048 4096 4224 4334 4356 4416 4531 4554 4608 4728 5566 5632 5808 5888 6072 6144 6304 6336 6501 6624 7092 7744 8096 8349 8448 8668 8712 8832 9062 9108 9216 9456 11132 11264 11616 11776 12144 12288 12608 12672 13002 13248 13593 14184 15488 16192 16698 16896 17336 17424 17664 18124 18216 18432 18912 19503 22264 22528 23232 23552 23837 24288 25047 25216 25344 26004 26496 27186 28368 30976 32384 33396 33792 34672 34848 35328 36248 36432 36864 37824 39006 40779 44528 45056 46464 47104 47674 48576 49841 50094 50432 50688 52008 52992 54372 56736 61952 64768 66792 67584 69344 69696 70656 71511 72496 72864 75648 78012 81558 89056 92928 94208 95348 97152 99682 100188 100864 101376 104016 105984 108744 113472 123904 129536 133584 135168 138688 139392 141312 143022 144992 145728 149523 151296 156024 163116 178112 185856 190696 194304 199364 200376 201728 202752 208032 211968 214533 217488 226944 247808 259072 267168 277376 278784 282624 286044 289984 291456 299046 302592 312048 326232 356224 371712 381392 388608 398728 400752 403456 405504 416064 423936 429066 434976 448569 453888 495616 518144 534336 548251 554752 557568 572088 579968 582912 598092 605184 624096 652464 712448 743424 762784 777216 797456 801504 806912 832128 847872 858132 869952 897138 907776 1036288 1068672 1096502 1109504 1115136 1144176 1159936 1165824 1196184 1210368 1248192 1304928 1424896 1486848 1525568 1554432 1594912 1603008 1644753 1664256 1716264 1739904 1794276 1815552 2137344 2193004 2219008 2230272 2288352 2319872 2331648 2392368 2420736 2496384 2609856 2849792 3051136 3108864 3189824 3206016 3289506 3328512 3432528 3479808 3588552 3631104 4274688 4386008 4438016 4460544 4576704 4639744 4663296 4784736 4934259 4992768 5219712 5699584 6102272 6379648 6412032 6579012 6657024 6865056 6959616 7177104 7262208 8549376 8772016 8876032 9153408 9279488 9326592 9569472 9868518 9985536 10439424 11399168 12204544 12759296 12824064 13158024 13314048 13730112 13919232 14354208 17098752 17544032 18306816 18558976 19138944 19737036 19971072 20878848 24409088 25518592 25648128 26316048 26628096 27460224 27838464 28708416 34197504 35088064 36613632 38277888 39474072 39942144 41757696 48818176 51037184 51296256 52632096 54920448 55676928 57416832 70176128 73227264 76555776 78948144 79884288 83515392 97636352 102074368 102592512 105264192 109840896 114833664 140352256 146454528 153111552 157896288 167030784 204148736 210528384 219681792 229667328 280704512 292909056 306223104 315792576 421056768 439363584 459334656 561409024 612446208 631585152 842113536 878727168 918669312 1122818048 1263170304 1684227072 1837338624 2245636096 2526340608 3368454144 5052681216 6736908288 10105362432 20210724864
• Sum of all divisors σ(n): 67298959728
• Sum of proper divisors (its aliquot sum) s(n): 47088234864
• 20210724864 is an abundant number, because the sum of its proper divisors (47088234864) is greater than itself. Its abundance is 26877510000

Bases of 20210724864

• Binary: 10010110100101001110011000000000000₂
• Hexadecimal: 0x4B4A73000
• Base-36: 9A8XZ40

Squares and roots of 20210724864

• 20210724864 squared (20210724864²) is 408473399528307818496
• 20210724864 cubed (20210724864³) is 8255543492129376699122706284544
• The square root of 20210724864 is 142164.4289687121
• The cube root of 20210724864 is 2723.9175843667

Scales and comparisons

• 20,210,724,864 seconds is equal to 642 years, 33 weeks, 1 day, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 20,210,724,864 would take you about one thousand, two hundred eighty-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 20210724864 cubic inches would be around 227 feet tall.

Recreational maths with 20210724864

• 20210724864 backwards is 46842701202
• 20210724864 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20210724864's digits is 36
• More coming soon!