21445230400

Names of 21445230400

• Cardinal: 21445230400 can be written as Twenty-one billion, four hundred forty-five million, two hundred thirty thousand, four hundred.

Scientific notation

• Scientific notation: 2.14452304 × 10¹⁰

Factors of 21445230400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 435

Divisors of 21445230400

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 41 44 50 55 64 80 82 88 100 110 113 160 164 176 200 205 220 226 263 275 320 328 352 400 410 440 451 452 526 550 565 656 704 800 820 880 902 904 1025 1052 1100 1130 1243 1312 1315 1600 1640 1760 1804 1808 2050 2104 2200 2255 2260 2486 2624 2630 2825 2893 3280 3520 3608 3616 4100 4208 4400 4510 4520 4633 4972 5260 5650 5786 6215 6560 6575 7216 7232 8200 8416 8800 9020 9040 9266 9944 10520 10783 11275 11300 11572 12430 13120 13150 14432 14465 16400 16832 17600 18040 18080 18532 19888 21040 21566 22550 22600 23144 23165 24860 26300 28864 28930 29719 31075 32800 36080 36160 37064 39776 42080 43132 45100 45200 46288 46330 49720 50963 52600 53915 57860 59438 62150 65600 72160 72325 74128 79552 84160 86264 90200 90400 92576 92660 99440 101926 105200 107830 115720 115825 118613 118876 124300 144320 144650 148256 148595 172528 180400 180800 185152 185320 198880 203852 210400 215660 231440 231650 237226 237752 248600 254815 269575 289300 296512 297190 326909 345056 360800 370640 397760 407704 420800 431320 462880 463300 474452 475504 497200 509630 539150 578600 593065 594380 653818 690112 721600 741280 742975 815408 862640 925760 926600 948904 951008 994400 1019260 1078300 1157200 1186130 1188760 1218479 1274075 1307636 1482560 1485950 1630816 1634545 1725280 1853200 1897808 1902016 1988800 2038520 2156600 2314400 2372260 2377520 2436958 2548150 2615272 2965325 2971900 3261632 3269090 3450560 3706400 3795616 4077040 4313200 4628800 4744520 4755040 4873916 5096300 5230544 5930650 5943800 6092395 6538180 7412800 7591232 8154080 8172725 8626400 9489040 9510080 9747832 10192600 10461088 11861300 11887600 12184790 13076360 13403269 16308160 16345450 17252800 18978080 19495664 20385200 20922176 23722600 23775200 24369580 26152720 26806538 30461975 32690900 37956160 38991328 40770400 47445200 47550400 48739160 52305440 53613076 60923950 65381800 67016345 77982656 81540800 94890400 97478320 104610880 107226152 121847900 130763600 134032690 189780800 194956640 214452304 243695800 261527200 268065380 335081725 389913280 428904608 487391600 523054400 536130760 670163450 857809216 974783200 1072261520 1340326900 1949566400 2144523040 2680653800 4289046080 5361307600 10722615200 21445230400
• Sum of all divisors σ(n): 59717927808
• Sum of proper divisors (its aliquot sum) s(n): 38272697408
• 21445230400 is an abundant number, because the sum of its proper divisors (38272697408) is greater than itself. Its abundance is 16827467008

Bases of 21445230400

• Binary: 10011111110001111000011111101000000₂
• Hexadecimal: 0x4FE3C3F40
• Base-36: 9UNXPOG

Squares and roots of 21445230400

• 21445230400 squared (21445230400²) is 459897906909084160000
• 21445230400 cubed (21445230400³) is 9862616574143061664190464000000
• The square root of 21445230400 is 146441.9011075723
• The cube root of 21445230400 is 2778.2857122471

Scales and comparisons

• 21,445,230,400 seconds is equal to 681 years, 46 weeks, 2 days, 16 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,445,230,400 would take you about one thousand, three hundred sixty-three 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 21445230400 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445230400

• 21445230400 backwards is 00403254412
• 21445230400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21445230400's digits is 25
• More coming soon!