21938598990
21,938,598,990 is an even composite number composed of seven prime numbers multiplied together.
21938598990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21938598990:
2 × 32 × 5 × 73 × 11 × 23 × 532
(2 × 3 × 3 × 5 × 7 × 7 × 7 × 11 × 23 × 53 × 53)See below for interesting mathematical facts about the number 21938598990 from the Numbermatics database.
Names of 21938598990
- Cardinal: 21938598990 can be written as Twenty-one billion, nine hundred thirty-eight million, five hundred ninety-eight thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.193859899 × 1010
Factors of 21938598990
Divisors of 21938598990
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 18 21 22 23 30 33 35 42 45 46 49 53 55 63 66 69 70 77 90 98 99 105 106 110 115 126 138 147 154 159 161 165 198 207 210 230 231 245 253 265 294 315 318 322 330 343 345 371 385 414 441 462 477 483 490 495 506 530 539 583 630 686 690 693 735 742 759 770 795 805 882 954 966 990 1029 1035 1078 1113 1127 1155 1166 1219 1265 1386 1449 1470 1518 1590 1610 1617 1715 1749 1771 1855 2058 2070 2205 2226 2254 2277 2310 2385 2415 2438 2530 2597 2695 2809 2898 2915 3087 3234 3339 3381 3430 3465 3498 3542 3657 3710 3773 3795 4081 4410 4554 4770 4830 4851 5145 5194 5247 5313 5390 5565 5618 5635 5830 6095 6174 6678 6762 6930 7245 7314 7546 7590 7791 7889 8085 8162 8427 8533 8745 8855 9702 10143 10290 10494 10626 10971 11130 11270 11319 11385 12190 12243 12397 12985 13409 14045 14490 15435 15582 15778 15939 16170 16695 16854 16905 17066 17490 17710 18179 18285 18865 19663 20286 20405 21942 22638 22770 23373 23667 24255 24486 24794 25281 25599 25970 26235 26565 26818 28090 28567 30870 30899 31878 33390 33810 33957 36358 36570 36729 37191 37730 38955 39326 39445 40227 40810 42135 42665 46746 47334 48510 50562 50715 51198 52470 53130 54537 54855 56595 57134 58989 59731 61215 61798 61985 64607 67045 67914 71001 73458 74382 76797 77910 78890 79695 80454 84270 85330 85701 86779 90895 92697 93863 98315 101430 109074 109710 111573 113190 116865 117978 118335 119462 120681 122430 123970 126405 127995 129214 134090 137641 142002 142835 153594 154495 159390 163611 169785 171402 173558 176967 179193 181790 183645 185394 185955 187726 193821 196630 199969 201135 216293 223146 233730 236670 241362 252810 255990 257103 260337 272685 275282 278091 281589 285670 294945 298655 308990 323035 327222 339570 353934 355005 358386 367290 371910 383985 387642 399938 402270 412923 418117 428505 432586 433895 452249 463485 469315 514206 520674 537579 545370 556182 557865 563178 581463 589890 597310 599907 603405 646070 648879 657041 688205 710010 710677 767970 781011 818055 825846 836234 844767 857010 867790 884835 895965 904498 926970 938630 963487 969105 999845 1075158 1081465 1115730 1162926 1199814 1206810 1238769 1254351 1285515 1297758 1301685 1314082 1356747 1376410 1390455 1407945 1421354 1514051 1562022 1636110 1689534 1769670 1791930 1799721 1926974 1938210 1946637 1971123 1999690 2064615 2090585 2132031 2162930 2261245 2477538 2508702 2571030 2603370 2687895 2713494 2780910 2815890 2890461 2907315 2999535 3028102 3165743 3244395 3285205 3553385 3599442 3763053 3893274 3905055 3942246 4070241 4129230 4181170 4223835 4264062 4522490 4542153 4599287 4817435 4974739 5375790 5780922 5814630 5913369 5999070 6193845 6271755 6331486 6396093 6488790 6570410 6783735 7106770 7526106 7570255 7810110 8140482 8447670 8671383 8998605 9084306 9198574 9497229 9634870 9733185 9855615 9949478 10598357 10660155 11826738 12387690 12543510 12792186 13567470 13626459 13797861 14452305 14924217 15140510 15828715 17342766 17997210 18815265 18994458 19466370 19711230 20351205 21196714 21320310 22160201 22710765 22996435 24873695 27252918 27595722 28491687 28904610 29566845 29848434 31657430 31795071 31980465 34823173 37630530 40702410 41393583 43356915 44320402 44772651 45421530 45992870 47486145 49747390 52991785 56983374 59133690 63590142 63960930 66480603 68132295 68989305 69646346 74621085 82787166 86713830 89545302 94972290 95385213 104469519 105983570 110801005 132961206 136264590 137978610 142458435 149242170 158975355 174115865 190770426 199441809 206967915 208939038 221602010 223863255 243762211 284916870 313408557 317950710 332403015 348231730 398883618 413935830 447726510 476926065 487524422 522347595 626817114 664806030 731286633 953852130 997209045 1044695190 1218811055 1462573266 1567042785 1994418090 2193859899 2437622110 3134085570 3656433165 4387719798 7312866330 10969299495 21938598990
- Sum of all divisors σ(n): 77177318400
- Sum of proper divisors (its aliquot sum) s(n): 55238719410
- 21938598990 is an abundant number, because the sum of its proper divisors (55238719410) is greater than itself. Its abundance is 33300120420
Bases of 21938598990
- Binary: 101000110111010010001110100010011102
- Hexadecimal: 0x51BA4744E
- Base-36: A2TOBBI
Squares and roots of 21938598990
- 21938598990 squared (219385989902) is 481302125644029020100
- 21938598990 cubed (219385989903) is 10559094327538948159896549699000
-
The
square root of 21938598990 is 148116.8423576467 -
The
cube root of 21938598990 is 2799.4301131847
Scales and comparisons
How big is 21938598990?- 21,938,598,990 seconds is equal to 697 years, 30 weeks, 23 hours, 16 minutes, 30 seconds.
-
To count from 1 to 21,938,598,990 would take you about one thousand, three hundred ninety-five 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 21938598990 cubic inches would be around 233.3 feet tall.
Recreational maths with 21938598990
- 21938598990 backwards is 09989583912
- 21938598990 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21938598990's digits is 63
- More coming soon!
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