21680307200

Names of 21680307200

• Cardinal: 21680307200 can be written as Twenty-one billion, six hundred eighty million, three hundred seven thousand, two hundred.

Scientific notation

• Scientific notation: 2.16803072 × 10¹⁰

Factors of 21680307200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 108

Divisors of 21680307200

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 29 32 38 40 50 53 58 64 76 80 95 100 106 116 128 145 152 160 190 200 212 232 256 265 290 304 320 380 400 424 464 475 512 530 551 580 608 640 725 760 800 841 848 928 950 1007 1024 1060 1102 1160 1216 1280 1325 1450 1520 1537 1600 1682 1696 1856 1900 2014 2120 2204 2320 2432 2560 2650 2755 2900 3040 3074 3200 3364 3392 3712 3800 4028 4205 4240 4408 4640 4864 5035 5120 5300 5510 5800 6080 6148 6400 6728 6784 7424 7600 7685 8056 8410 8480 8816 9280 9728 10070 10600 11020 11600 12160 12296 12800 13456 13568 13775 14848 15200 15370 15979 16112 16820 16960 17632 18560 19456 20140 21025 21200 22040 23200 24320 24592 25175 25600 26912 27136 27550 29203 29696 30400 30740 31958 32224 33640 33920 35264 37120 38425 40280 42050 42400 44080 44573 46400 48640 49184 50350 53824 54272 55100 58406 60800 61480 63916 64448 67280 67840 70528 74240 76850 79895 80560 84100 84800 88160 89146 92800 97280 98368 100700 107648 110200 116812 121600 122960 127832 128896 134560 135680 141056 146015 148480 153700 159790 161120 168200 169600 176320 178292 185600 196736 201400 215296 220400 222865 233624 243200 245920 255664 257792 269120 271360 282112 292030 307400 319580 322240 336400 339200 352640 356584 371200 393472 399475 402800 430592 440800 445730 467248 486400 491840 511328 515584 538240 564224 584060 614800 639160 644480 672800 678400 705280 713168 730075 742400 786944 798950 805600 846887 861184 881600 891460 934496 983680 1022656 1031168 1076480 1114325 1168120 1229600 1278320 1288960 1345600 1356800 1410560 1426336 1460150 1573888 1597900 1611200 1693774 1763200 1782920 1868992 1967360 2045312 2152960 2228650 2336240 2459200 2556640 2577920 2691200 2821120 2852672 2920300 3195800 3222400 3387548 3526400 3565840 3737984 3934720 4090624 4234435 4305920 4457300 4672480 4918400 5113280 5155840 5382400 5705344 5840600 6391600 6444800 6775096 7052800 7131680 7475968 7869440 8181248 8468870 8914600 9344960 9836800 10226560 10764800 11410688 11681200 12783200 12889600 13550192 14105600 14263360 14951936 16362496 16937740 17829200 18689920 19673600 20453120 21172175 21529600 22821376 23362400 25566400 25779200 27100384 28526720 29903872 33875480 35658400 37379840 39347200 40906240 42344350 45642752 46724800 51132800 54200768 57053440 67750960 71316800 74759680 81812480 84688700 93449600 102265600 108401536 114106880 135501920 142633600 149519360 169377400 186899200 204531200 216803072 228213760 271003840 285267200 338754800 373798400 409062400 433606144 542007680 570534400 677509600 747596800 867212288 1084015360 1141068800 1355019200 2168030720 2710038400 4336061440 5420076800 10840153600 21680307200
• Sum of all divisors σ(n): 59692730760
• Sum of proper divisors (its aliquot sum) s(n): 38012423560
• 21680307200 is an abundant number, because the sum of its proper divisors (38012423560) is greater than itself. Its abundance is 16332116360

Bases of 21680307200

• Binary: 10100001100001111110011110000000000₂
• Hexadecimal: 0x50C3F3C00
• Base-36: 9YJW83K

Squares and roots of 21680307200

• 21680307200 squared (21680307200²) is 470035720286371840000
• 21680307200 cubed (21680307200³) is 10190518810781813464629248000000
• The square root of 21680307200 is 147242.3417363361
• The cube root of 21680307200 is 2788.4004483027

Scales and comparisons

• 21,680,307,200 seconds is equal to 689 years, 19 weeks, 11 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,680,307,200 would take you about one thousand, three hundred seventy-eight 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 21680307200 cubic inches would be around 232.4 feet tall.

Recreational maths with 21680307200

• 21680307200 backwards is 00270308612
• 21680307200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21680307200's digits is 29
• More coming soon!