21029212160

Names of 21029212160

• Cardinal: 21029212160 can be written as Twenty-one billion, twenty-nine million, two hundred twelve thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.102921216 × 10¹⁰

Factors of 21029212160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 54

Divisors of 21029212160

• Number of divisors d(n): 416
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 19 20 22 32 34 38 40 44 55 64 68 76 80 85 88 95 110 128 136 152 160 170 176 187 190 209 220 256 272 289 304 320 323 340 352 374 380 418 440 512 544 578 608 640 646 680 704 748 760 836 880 935 1024 1045 1088 1156 1216 1280 1292 1360 1408 1445 1496 1520 1615 1672 1760 1870 2048 2090 2176 2312 2432 2560 2584 2720 2816 2890 2992 3040 3179 3230 3344 3520 3553 3740 4096 4180 4352 4624 4864 4913 5120 5168 5440 5491 5632 5780 5984 6080 6358 6460 6688 7040 7106 7480 8360 8704 9248 9728 9826 10240 10336 10880 10982 11264 11560 11968 12160 12716 12920 13376 14080 14212 14960 15895 16720 17408 17765 18496 19456 19652 20480 20672 21760 21964 22528 23120 23936 24320 24565 25432 25840 26752 27455 28160 28424 29920 31790 33440 34816 35530 36992 38912 39304 41344 43520 43928 45056 46240 47872 48640 49130 50864 51680 53504 54043 54910 56320 56848 59840 60401 63580 66880 69632 71060 73984 77824 78608 82688 87040 87856 92480 93347 95744 97280 98260 101728 103360 107008 108086 109820 112640 113696 119680 120802 127160 133760 142120 147968 157216 165376 174080 175712 184960 186694 191488 194560 196520 203456 206720 214016 216172 219640 225280 227392 239360 241604 254320 267520 270215 284240 295936 302005 314432 330752 348160 351424 369920 373388 382976 389120 393040 406912 413440 428032 432344 439280 454784 466735 478720 483208 508640 535040 540430 568480 591872 604010 628864 661504 702848 739840 746776 765952 786080 813824 826880 856064 864688 878560 909568 933470 957440 966416 1017280 1026817 1070080 1080860 1136960 1183744 1208020 1257728 1323008 1405696 1479680 1493552 1572160 1627648 1653760 1729376 1757120 1819136 1866940 1914880 1932832 2034560 2053634 2140160 2161720 2273920 2416040 2515456 2811392 2959360 2987104 3144320 3255296 3307520 3458752 3514240 3638272 3733880 3829760 3865664 4069120 4107268 4280320 4323440 4547840 4832080 5030912 5134085 5622784 5918720 5974208 6288640 6510592 6615040 6917504 7028480 7276544 7467760 7731328 8138240 8214536 8646880 9095680 9664160 10061824 10268170 11245568 11948416 12577280 13021184 13835008 14056960 14553088 14935520 15462656 16276480 16429072 17293760 18191360 19328320 20123648 20536340 22491136 23896832 25154560 27670016 28113920 29871040 30925312 32552960 32858144 34587520 36382720 38656640 41072680 47793664 50309120 55340032 56227840 59742080 61850624 65105920 65716288 69175040 72765440 77313280 82145360 95587328 100618240 110680064 112455680 119484160 123701248 131432576 138350080 154626560 164290720 191174656 221360128 238968320 247402496 262865152 276700160 309253120 328581440 382349312 477936640 525730304 553400320 618506240 657162880 955873280 1051460608 1106800640 1237012480 1314325760 1911746560 2102921216 2628651520 4205842432 5257303040 10514606080 21029212160
• Sum of all divisors σ(n): 61570108800
• Sum of proper divisors (its aliquot sum) s(n): 40540896640
• 21029212160 is an abundant number, because the sum of its proper divisors (40540896640) is greater than itself. Its abundance is 19511684480

Bases of 21029212160

• Binary: 10011100101011100000101000000000000₂
• Hexadecimal: 0x4E5705000
• Base-36: 9NS8ZY8

Squares and roots of 21029212160

• 21029212160 squared (21029212160²) is 442227764070291865600
• 21029212160 cubed (21029212160³) is 9299701473676592794824605696000
• The square root of 21029212160 is 145014.5239622569
• The cube root of 21029212160 is 2760.2028556355

Scales and comparisons

• 21,029,212,160 seconds is equal to 668 years, 34 weeks, 3 days, 15 hours, 49 minutes, 20 seconds.
• To count from 1 to 21,029,212,160 would take you about one thousand, three hundred thirty-seven 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 21029212160 cubic inches would be around 230 feet tall.

Recreational maths with 21029212160

• 21029212160 backwards is 06121292012
• The number of decimal digits it has is: 11
• The sum of 21029212160's digits is 26
• More coming soon!