21389528160

Names of 21389528160

• Cardinal: 21389528160 can be written as Twenty-one billion, three hundred eighty-nine million, five hundred twenty-eight thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.138952816 × 10¹⁰

Factors of 21389528160

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 131

Divisors of 21389528160

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 24 26 28 30 32 33 35 36 38 39 40 42 44 45 48 52 55 56 57 60 63 65 66 70 71 72 76 77 78 80 84 88 90 91 95 96 99 104 105 110 112 114 117 120 121 126 130 132 133 140 142 143 144 152 154 156 160 165 168 171 176 180 182 190 195 198 208 209 210 213 220 224 228 231 234 240 242 247 252 260 264 266 273 280 284 285 286 288 304 308 312 315 330 336 342 352 355 360 363 364 380 385 390 396 399 416 418 420 426 429 440 455 456 462 468 480 484 494 495 497 504 520 528 532 546 560 568 570 572 585 605 608 616 624 627 630 639 660 665 672 684 693 710 715 720 726 728 741 760 770 780 781 792 798 819 836 840 847 852 855 858 880 910 912 923 924 936 968 988 990 994 1001 1008 1040 1045 1056 1064 1065 1089 1092 1120 1136 1140 1144 1155 1170 1197 1210 1232 1235 1248 1254 1260 1278 1287 1320 1330 1349 1365 1368 1386 1420 1430 1440 1452 1456 1463 1482 1491 1520 1540 1560 1562 1573 1584 1596 1638 1672 1680 1694 1704 1710 1716 1729 1760 1815 1820 1824 1846 1848 1872 1881 1936 1976 1980 1988 1995 2002 2016 2080 2090 2128 2130 2145 2178 2184 2223 2272 2280 2288 2299 2310 2340 2343 2394 2420 2464 2470 2485 2508 2520 2541 2556 2574 2640 2660 2698 2717 2730 2736 2769 2772 2840 2860 2904 2912 2926 2964 2982 3003 3040 3080 3120 3124 3135 3146 3168 3192 3195 3276 3344 3360 3388 3408 3420 3432 3458 3465 3630 3640 3692 3696 3705 3744 3762 3872 3905 3952 3960 3976 3990 4004 4047 4095 4180 4235 4256 4260 4290 4356 4368 4389 4446 4473 4560 4576 4598 4615 4620 4680 4686 4719 4788 4840 4940 4970 5005 5016 5040 5082 5112 5148 5187 5280 5320 5396 5434 5445 5460 5467 5472 5538 5544 5680 5720 5808 5852 5928 5964 5985 6006 6160 6240 6248 6270 6292 6384 6390 6435 6461 6552 6688 6745 6776 6816 6840 6864 6897 6916 6930 7029 7260 7280 7315 7384 7392 7410 7455 7524 7623 7810 7865 7904 7920 7952 7980 8008 8094 8151 8190 8307 8360 8470 8520 8580 8591 8645 8712 8736 8778 8892 8946 9009 9120 9196 9230 9240 9360 9372 9405 9438 9443 9576 9680 9880 9940 10010 10032 10080 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32408376 33473440 33951632 34114080 34278090 34723260 35180145 35354592 36563296 37394280 37525488 37657620 38195586 39174960 40205880 40510470 41133708 42439540 43037280 43211168 43298640 44193240 44561517 45704120 46297680 46906860 47009952 48612564 49859040 50210160 50927448 51171120 51417135 53607840 54013960 54844944 55557216 56288232 58762440 58924320 59415356 60252192 60765705 62542480 63659310 64816752 67903264 68556180 69446520 70360290 74269195 74788560 75050976 75315240 76391172 78349920 80411760 81020940 82267416 84879080 86597280 88386480 89123034 91408240 92595360 93813720 95488965 97225128 100420320 101854896 102342240 102834270 108027920 109689888 112576464 117524880 118830712 121531410 125084960 127318620 129633504 133684551 137112360 138893040 140720580 148538390 149577120 150630480 152782344 160823520 162041880 164534832 169758160 176772960 178246068 182816480 187627440 190977930 194450256 203709792 205668540 216055840 222807585 225152928 235049760 237661424 243062820 254637240 267369102 274224720 277786080 281441160 297076780 301260960 305564688 324083760 329069664 339516320 356492136 375254880 381955860 388900512 411337080 445615170 475322848 486125640 509274480 534738204 548449440 562882320 594153560 611129376 648167520 668422755 712984272 763911720 822674160 891230340 972251280 1018548960 1069476408 1125764640 1188307120 1336845510 1425968544 1527823440 1645348320 1782460680 1944502560 2138952816 2376614240 2673691020 3055646880 3564921360 4277905632 5347382040 7129842720 10694764080 21389528160
• Sum of all divisors σ(n): 105406479360
• Sum of proper divisors (its aliquot sum) s(n): 84016951200
• 21389528160 is an abundant number, because the sum of its proper divisors (84016951200) is greater than itself. Its abundance is 62627423040

Bases of 21389528160

• Binary: 10011111010111010100100110001100000₂
• Hexadecimal: 0x4FAEA4C60
• Base-36: 9TQRTK0

Squares and roots of 21389528160

• 21389528160 squared (21389528160²) is 457511914907432985600
• 21389528160 cubed (21389528160³) is 9785963987448061638804074496000
• The square root of 21389528160 is 146251.5919913355
• The cube root of 21389528160 is 2775.8781695961

Scales and comparisons

• 21,389,528,160 seconds is equal to 680 years, 6 weeks, 1 day, 23 hours, 36 minutes.
• To count from 1 to 21,389,528,160 would take you about one thousand, three hundred sixty 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 21389528160 cubic inches would be around 231.3 feet tall.

Recreational maths with 21389528160

• 21389528160 backwards is 06182598312
• 21389528160 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21389528160's digits is 45
• More coming soon!