21697362432

Names of 21697362432

• Cardinal: 21697362432 can be written as Twenty-one billion, six hundred ninety-seven million, three hundred sixty-two thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1697362432 × 10¹⁰

Factors of 21697362432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 71

Divisors of 21697362432

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 43 46 48 54 64 69 72 81 86 92 96 108 128 129 138 144 162 172 184 192 207 216 256 258 276 288 324 344 368 384 387 414 432 512 516 529 552 576 621 648 688 736 768 774 828 864 989 1032 1058 1104 1152 1161 1242 1296 1376 1472 1536 1548 1587 1656 1728 1863 1978 2064 2116 2208 2304 2322 2484 2592 2752 2944 2967 3096 3174 3312 3456 3483 3726 3956 4128 4232 4416 4608 4644 4761 4968 5184 5504 5888 5934 6192 6348 6624 6912 6966 7452 7912 8256 8464 8832 8901 9288 9522 9936 10368 11008 11776 11868 12167 12384 12696 13248 13824 13932 14283 14904 15824 16512 16928 17664 17802 18576 19044 19872 20736 22016 22747 23736 24334 24768 25392 26496 26703 27864 28566 29808 31648 33024 33856 35328 35604 36501 37152 38088 39744 41472 42849 45494 47472 48668 49536 50784 52992 53406 55728 57132 59616 63296 66048 67712 68241 71208 73002 74304 76176 79488 80109 85698 90988 94944 97336 99072 101568 105984 106812 109503 111456 114264 119232 126592 135424 136482 142416 146004 148608 152352 158976 160218 171396 181976 189888 194672 198144 203136 204723 213624 219006 222912 228528 238464 253184 270848 272964 284832 292008 297216 304704 317952 320436 328509 342792 363952 379776 389344 406272 409446 427248 438012 445824 457056 476928 506368 523181 545928 569664 584016 594432 609408 614169 640872 657018 685584 727904 759552 778688 812544 818892 854496 876024 891648 914112 953856 985527 1046362 1091856 1139328 1168032 1218816 1228338 1281744 1314036 1371168 1455808 1519104 1557376 1569543 1637784 1708992 1752048 1783296 1828224 1842507 1971054 2092724 2183712 2278656 2336064 2437632 2456676 2563488 2628072 2742336 2911616 3114752 3139086 3275568 3417984 3504096 3656448 3685014 3942108 4185448 4367424 4557312 4672128 4708629 4913352 5126976 5256144 5484672 5823232 6229504 6278172 6551136 6835968 7008192 7312896 7370028 7884216 8370896 8734848 9344256 9417258 9826704 10253952 10512288 10969344 11646464 12556344 13102272 13671936 14016384 14125887 14740056 15768432 16741792 17469696 18688512 18834516 19653408 20507904 21024576 21938688 25112688 26204544 28032768 28251774 29480112 31536864 33483584 34939392 37669032 39306816 41015808 42049152 42377661 50225376 52409088 56065536 56503548 58960224 63073728 66967168 75338064 78613632 84098304 84755322 100450752 104818176 113007096 117920448 126147456 133934336 150676128 157227264 168196608 169510644 200901504 226014192 235840896 252294912 267868672 301352256 314454528 339021288 401803008 452028384 471681792 504589824 602704512 678042576 803606016 904056768 943363584 1205409024 1356085152 1808113536 2410818048 2712170304 3616227072 5424340608 7232454144 10848681216 21697362432
• Sum of all divisors σ(n): 69278869440
• Sum of proper divisors (its aliquot sum) s(n): 47581507008
• 21697362432 is an abundant number, because the sum of its proper divisors (47581507008) is greater than itself. Its abundance is 25884144576

Bases of 21697362432

• Binary: 10100001101010000110111101000000000₂
• Hexadecimal: 0x50D437A00
• Base-36: 9YU1S00

Squares and roots of 21697362432

• 21697362432 squared (21697362432²) is 470775536505564954624
• 21697362432 cubed (21697362432³) is 10214587439680489605394562285568
• The square root of 21697362432 is 147300.2458653755
• The cube root of 21697362432 is 2789.1314396591

Scales and comparisons

• 21,697,362,432 seconds is equal to 689 years, 47 weeks, 1 day, 21 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,697,362,432 would take you about one thousand, three hundred seventy-nine 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 21697362432 cubic inches would be around 232.4 feet tall.

Recreational maths with 21697362432

• 21697362432 backwards is 23426379612
• The number of decimal digits it has is: 11
• The sum of 21697362432's digits is 45
• More coming soon!