21266731008

Names of 21266731008

• Cardinal: 21266731008 can be written as Twenty-one billion, two hundred sixty-six million, seven hundred thirty-one thousand and eight.

Scientific notation

• Scientific notation: 2.1266731008 × 10¹⁰

Factors of 21266731008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 402

Divisors of 21266731008

• Number of divisors d(n): 416
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 29 32 36 38 48 54 57 58 64 72 76 87 96 108 114 116 128 144 152 171 174 192 216 228 232 256 261 288 304 342 348 349 384 432 456 464 512 513 522 551 576 608 684 696 698 768 783 864 912 928 1024 1026 1044 1047 1102 1152 1216 1368 1392 1396 1536 1566 1653 1728 1824 1856 2048 2052 2088 2094 2204 2304 2432 2736 2784 2792 3072 3132 3141 3306 3456 3648 3712 4096 4104 4176 4188 4408 4608 4864 4959 5472 5568 5584 6144 6264 6282 6612 6631 6912 7296 7424 8208 8352 8376 8816 9216 9423 9728 9918 10121 10944 11136 11168 12288 12528 12564 13224 13262 13824 14592 14848 14877 16416 16704 16752 17632 18432 18846 19456 19836 19893 20242 21888 22272 22336 25056 25128 26448 26524 27648 29184 29696 29754 30363 32832 33408 33504 35264 36864 37692 38912 39672 39786 40484 43776 44544 44672 50112 50256 52896 53048 55296 58368 59392 59508 59679 60726 65664 66816 67008 70528 75384 77824 79344 79572 80968 87552 89088 89344 91089 100224 100512 105792 106096 110592 116736 118784 119016 119358 121452 131328 133632 134016 141056 150768 158688 159144 161936 175104 178176 178688 179037 182178 192299 200448 201024 211584 212192 233472 238032 238716 242904 262656 267264 268032 273267 282112 301536 317376 318288 323872 350208 356352 357376 358074 364356 384598 400896 402048 423168 424384 476064 477432 485808 525312 534528 536064 546534 564224 576897 603072 634752 636576 647744 700416 714752 716148 728712 769196 801792 804096 846336 848768 952128 954864 971616 1050624 1069056 1072128 1093068 1128448 1153794 1206144 1269504 1273152 1295488 1429504 1432296 1457424 1538392 1603584 1608192 1692672 1697536 1730691 1904256 1909728 1943232 2101248 2144256 2186136 2256896 2307588 2412288 2539008 2546304 2590976 2864592 2914848 3076784 3207168 3216384 3385344 3395072 3461382 3808512 3819456 3886464 4288512 4372272 4615176 4824576 5078016 5092608 5181952 5192073 5729184 5829696 6153568 6432768 6770688 6790144 6922764 7617024 7638912 7772928 8744544 9230352 9649152 10156032 10185216 10363904 10384146 11458368 11659392 12307136 12865536 13580288 13845528 15234048 15277824 15545856 17489088 18460704 19298304 20312064 20370432 20727808 20768292 22916736 23318784 24614272 27160576 27691056 30468096 30555648 31091712 34978176 36921408 38596608 40740864 41455616 41536584 45833472 46637568 49228544 55382112 60936192 61111296 62183424 69956352 73842816 81481728 83073168 91666944 93275136 98457088 110764224 122222592 124366848 139912704 147685632 166146336 183333888 186550272 196914176 221528448 244445184 279825408 295371264 332292672 366667776 373100544 393828352 443056896 559650816 590742528 664585344 733335552 787656704 886113792 1119301632 1181485056 1329170688 1772227584 2362970112 2658341376 3544455168 5316682752 7088910336 10633365504 21266731008
• Sum of all divisors σ(n): 68804400000
• Sum of proper divisors (its aliquot sum) s(n): 47537668992
• 21266731008 is an abundant number, because the sum of its proper divisors (47537668992) is greater than itself. Its abundance is 26270937984

Bases of 21266731008

• Binary: 10011110011100110001001000000000000₂
• Hexadecimal: 0x4F3989000
• Base-36: 9RPNUO0

Squares and roots of 21266731008

• 21266731008 squared (21266731008²) is 452273847766628696064
• 21266731008 cubed (21266731008³) is 9618386262406034038206876352512
• The square root of 21266731008 is 145831.1729638077
• The cube root of 21266731008 is 2770.5558715347

Scales and comparisons

• 21,266,731,008 seconds is equal to 676 years, 11 weeks, 1 day, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,266,731,008 would take you about one thousand, three hundred fifty-two 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 21266731008 cubic inches would be around 230.9 feet tall.

Recreational maths with 21266731008

• 21266731008 backwards is 80013766212
• 21266731008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21266731008's digits is 36
• More coming soon!