21097776720
21,097,776,720 is an even composite number composed of seven prime numbers multiplied together.
21097776720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21097776720:
24 × 3 × 5 × 23 × 41 × 73 × 1277
(2 × 2 × 2 × 2 × 3 × 5 × 23 × 41 × 73 × 1277)See below for interesting mathematical facts about the number 21097776720 from the Numbermatics database.
Names of 21097776720
- Cardinal: 21097776720 can be written as Twenty-one billion, ninety-seven million, seven hundred seventy-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.109777672 × 1010
Factors of 21097776720
Divisors of 21097776720
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 41 46 48 60 69 73 80 82 92 115 120 123 138 146 164 184 205 219 230 240 246 276 292 328 345 365 368 410 438 460 492 552 584 615 656 690 730 820 876 920 943 984 1095 1104 1168 1230 1277 1380 1460 1640 1679 1752 1840 1886 1968 2190 2460 2554 2760 2829 2920 2993 3280 3358 3504 3772 3831 4380 4715 4920 5037 5108 5520 5658 5840 5986 6385 6716 7544 7662 8395 8760 8979 9430 9840 10074 10216 11316 11972 12770 13432 14145 14965 15088 15324 16790 17520 17958 18860 19155 20148 20432 22632 23944 25185 25540 26864 28290 29371 29930 30648 33580 35916 37720 38310 40296 44895 45264 47888 50370 51080 52357 56580 58742 59860 61296 67160 68839 71832 75440 76620 80592 88113 89790 93221 100740 102160 104714 113160 117484 119720 134320 137678 143664 146855 153240 157071 176226 179580 186442 201480 206517 209428 226320 234968 239440 261785 275356 279663 293710 306480 314142 344195 352452 359160 372884 402960 413034 418856 440565 466105 469936 523570 550712 559326 587420 628284 688390 704904 718320 745768 785355 826068 837712 881130 932210 1032585 1047140 1101424 1118652 1174840 1204211 1256568 1376780 1398315 1409808 1491536 1570710 1652136 1762260 1864420 2065170 2094280 2144083 2237304 2349680 2408422 2513136 2753560 2796630 3141420 3304272 3524520 3612633 3728840 3822061 4130340 4188560 4288166 4474608 4816844 5507120 5593260 6021055 6282840 6432249 7049040 7225266 7457680 7644122 8260680 8576332 9633688 10720415 11186520 11466183 12042110 12565680 12864498 14450532 15288244 16521360 17152664 18063165 19110305 19267376 21440830 22373040 22932366 24084220 25728996 28901064 30576488 32161245 34305328 36126330 38220610 42881660 45864732 48168440 51457992 57330915 57802128 61152976 64322490 72252660 76441220 85763320 87907403 91729464 96336880 102915984 114661830 128644980 144505320 152882440 171526640 175814806 183458928 229323660 257289960 263722209 289010640 305764880 351629612 439537015 458647320 514579920 527444418 703259224 879074030 917294640 1054888836 1318611045 1406518448 1758148060 2109777672 2637222090 3516296120 4219555344 5274444180 7032592240 10548888360 21097776720
- Sum of all divisors σ(n): 70924460544
- Sum of proper divisors (its aliquot sum) s(n): 49826683824
- 21097776720 is an abundant number, because the sum of its proper divisors (49826683824) is greater than itself. Its abundance is 28728907104
Bases of 21097776720
- Binary: 100111010011000011010000110010100002
- Hexadecimal: 0x4E9868650
- Base-36: 9OX2KPC
Squares and roots of 21097776720
- 21097776720 squared (210977767202) is 445116182526973958400
- 21097776720 cubed (210977767203) is 9390961833412861951577768448000
-
The
square root of 21097776720 is 145250.7374163725 -
The
cube root of 21097776720 is 2763.1994298405
Scales and comparisons
How big is 21097776720?- 21,097,776,720 seconds is equal to 670 years, 43 weeks, 6 days, 5 hours, 32 minutes.
-
To count from 1 to 21,097,776,720 would take you about one thousand, three hundred forty-one 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 21097776720 cubic inches would be around 230.3 feet tall.
Recreational maths with 21097776720
- 21097776720 backwards is 02767779012
- 21097776720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21097776720's digits is 48
- More coming soon!
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