21972310140

Names of 21972310140

• Cardinal: 21972310140 can be written as Twenty-one billion, nine hundred seventy-two million, three hundred ten thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.197231014 × 10¹⁰

Factors of 21972310140

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 736

Divisors of 21972310140

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 37 44 55 60 66 74 110 111 121 132 148 157 165 185 220 222 242 314 330 363 370 407 444 471 484 521 555 605 628 660 726 740 785 814 942 1042 1110 1210 1221 1452 1563 1570 1628 1727 1815 1884 2035 2084 2220 2355 2420 2442 2605 3126 3140 3454 3630 4070 4477 4710 4884 5181 5210 5731 5809 6105 6252 6908 7260 7815 8140 8635 8954 9420 10362 10420 11462 11618 12210 13431 15630 17193 17270 17427 17908 18997 19277 20724 22385 22924 23236 24420 25905 26862 28655 29045 31260 34386 34540 34854 37994 38554 44770 51810 53724 56991 57310 57831 58090 63041 63899 67155 68772 69708 75988 77108 81797 85965 87135 89540 94985 96385 103620 113982 114620 115662 116180 126082 127798 134310 163594 171930 174270 189123 189970 191697 192770 212047 227964 231324 245391 252164 255596 268620 284955 289155 315205 319495 327188 343860 348540 378246 379940 383394 385540 408985 424094 490782 569910 578310 630410 636141 638990 702889 756492 766788 817970 848188 899767 945615 958485 981564 1060235 1139820 1156620 1226955 1260820 1272282 1277980 1405778 1635940 1799534 1891230 1916970 2108667 2120470 2332517 2453910 2544564 2699301 2811556 3026489 3180705 3514445 3599068 3782460 3833940 4217334 4240940 4498835 4665034 4907820 5398602 6052978 6361410 6997551 7028890 8434668 8997670 9079467 9330068 9897437 10543335 10797204 11662585 12105956 12722820 13496505 13995102 14057780 15132445 17995340 18158934 19794874 21086670 23325170 26993010 27990204 29692311 30264890 33291379 34987755 36317868 39589748 42173340 45397335 46650340 49487185 53986020 59384622 60529780 66582758 69975510 90794670 98974370 99874137 118769244 133165516 139951020 148461555 166456895 181589340 197948740 199748274 296923110 332913790 366205169 399496548 499370685 593846220 665827580 732410338 998741370 1098615507 1464820676 1831025845 1997482740 2197231014 3662051690 4394462028 5493077535 7324103380 10986155070 21972310140
• Sum of all divisors σ(n): 70028062272
• Sum of proper divisors (its aliquot sum) s(n): 48055752132
• 21972310140 is an abundant number, because the sum of its proper divisors (48055752132) is greater than itself. Its abundance is 26083441992

Bases of 21972310140

• Binary: 10100011101101001101101100001111100₂
• Hexadecimal: 0x51DA6D87C
• Base-36: A3DQV0C

Squares and roots of 21972310140

• 21972310140 squared (21972310140²) is 482782412888346819600
• 21972310140 cubed (21972310140³) is 10607844906120289512133830744000
• The square root of 21972310140 is 148230.5978534795
• The cube root of 21972310140 is 2800.8632601839

Scales and comparisons

• 21,972,310,140 seconds is equal to 698 years, 33 weeks, 6 days, 3 hours, 29 minutes.
• To count from 1 to 21,972,310,140 would take you about one thousand, three hundred ninety-seven 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 21972310140 cubic inches would be around 233.4 feet tall.

Recreational maths with 21972310140

• 21972310140 backwards is 04101327912
• 21972310140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21972310140's digits is 30
• More coming soon!