21309370368

Names of 21309370368

• Cardinal: 21309370368 can be written as Twenty-one billion, three hundred nine million, three hundred seventy thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1309370368 × 10¹⁰

Factors of 21309370368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 277

Divisors of 21309370368

• Number of divisors d(n): 416
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 44 48 52 64 66 67 78 88 96 104 128 132 134 143 156 176 181 192 201 208 256 264 268 286 312 352 362 384 402 416 429 512 528 536 543 572 624 704 724 737 768 804 832 858 871 1024 1056 1072 1086 1144 1248 1408 1448 1474 1536 1608 1664 1716 1742 1991 2048 2112 2144 2172 2211 2288 2353 2496 2613 2816 2896 2948 3072 3216 3328 3432 3484 3982 4096 4224 4288 4344 4422 4576 4706 4992 5226 5632 5792 5896 5973 6144 6432 6656 6864 6968 7059 7964 8448 8576 8688 8844 9152 9412 9581 9984 10452 11264 11584 11792 11946 12127 12288 12864 13312 13728 13936 14118 15928 16896 17152 17376 17688 18304 18824 19162 19968 20904 22528 23168 23584 23892 24254 25728 25883 26624 27456 27872 28236 28743 31856 33792 34304 34752 35376 36381 36608 37648 38324 39936 41808 45056 46336 47168 47784 48508 51456 51766 53248 54912 55744 56472 57486 63712 67584 68608 69504 70752 72762 73216 75296 76648 77649 79872 83616 92672 94336 95568 97016 102912 103532 109824 111488 112944 114972 127424 133397 135168 137216 139008 141504 145524 146432 150592 153296 155298 157651 159744 167232 185344 188672 191136 194032 205824 207064 219648 222976 225888 229944 254848 266794 274432 278016 283008 291048 292864 301184 306592 310596 315302 334464 370688 377344 382272 388064 400191 411648 414128 439296 445952 451776 459888 472953 509696 533588 556032 566016 582096 585728 602368 613184 621192 630604 668928 741376 754688 764544 776128 800382 823296 828256 878592 891904 903552 919776 945906 1019392 1067176 1112064 1132032 1164192 1204736 1226368 1242384 1261208 1337856 1509376 1529088 1552256 1600764 1656512 1734161 1757184 1783808 1807104 1839552 1891812 2038784 2134352 2224128 2264064 2328384 2409472 2452736 2484768 2522416 2675712 3018752 3058176 3104512 3201528 3313024 3468322 3567616 3614208 3679104 3783624 4077568 4268704 4528128 4656768 4818944 4905472 4969536 5044832 5202483 5351424 6116352 6209024 6403056 6626048 6936644 7228416 7358208 7567248 8155136 8537408 9056256 9313536 9637888 9810944 9939072 10089664 10404966 10702848 12232704 12418048 12806112 13252096 13873288 14456832 14716416 15134496 17074816 18627072 19621888 19878144 20179328 20809932 24465408 24836096 25612224 26504192 27746576 28913664 29432832 30268992 34149632 37254144 39243776 39756288 40358656 41619864 49672192 51224448 53008384 55493152 58865664 60537984 68299264 74508288 79512576 80717312 83239728 102448896 106016768 110986304 117731328 121075968 136598528 149016576 159025152 161434624 166479456 204897792 221972608 242151936 273197056 318050304 322869248 332958912 409795584 443945216 484303872 546394112 645738496 665917824 819591168 887890432 968607744 1331835648 1639182336 1775780864 1937215488 2663671296 3551561728 5327342592 7103123456 10654685184 21309370368
• Sum of all divisors σ(n): 68121860352
• Sum of proper divisors (its aliquot sum) s(n): 46812489984
• 21309370368 is an abundant number, because the sum of its proper divisors (46812489984) is greater than itself. Its abundance is 25503119616

Bases of 21309370368

• Binary: 10011110110001000110011000000000000₂
• Hexadecimal: 0x4F6233000
• Base-36: 9SF1REO

Squares and roots of 21309370368

• 21309370368 squared (21309370368²) is 454089265480596455424
• 21309370368 cubed (21309370368³) is 9676356338259107386178018476032
• The square root of 21309370368 is 145977.2940151995
• The cube root of 21309370368 is 2772.4062713355

Scales and comparisons

• 21,309,370,368 seconds is equal to 677 years, 29 weeks, 5 days, 5 hours, 32 minutes, 48 seconds.
• To count from 1 to 21,309,370,368 would take you about one thousand, three hundred fifty-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 21309370368 cubic inches would be around 231 feet tall.

Recreational maths with 21309370368

• 21309370368 backwards is 86307390312
• The number of decimal digits it has is: 11
• The sum of 21309370368's digits is 42
• More coming soon!