21947438700

Names of 21947438700

• Cardinal: 21947438700 can be written as Twenty-one billion, nine hundred forty-seven million, four hundred thirty-eight thousand, seven hundred.

Scientific notation

• Scientific notation: 2.19474387 × 10¹⁰

Factors of 21947438700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5793

Divisors of 21947438700

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 27 30 33 36 44 45 50 54 55 60 66 75 90 99 100 108 110 131 132 135 150 165 180 198 220 225 262 270 275 297 300 330 393 396 450 495 524 540 550 594 655 660 675 786 825 900 990 1100 1179 1188 1310 1350 1441 1485 1572 1650 1965 1980 2358 2475 2620 2700 2882 2970 3275 3300 3537 3930 4323 4716 4950 5641 5764 5895 5940 6550 7074 7205 7425 7860 8646 9825 9900 11282 11790 12969 13100 14148 14410 14850 16923 17292 17685 19650 21615 22564 23580 25938 28205 28820 29475 29700 33846 35370 36025 38907 39300 43230 50769 51876 56410 58950 62051 64845 67692 70740 72050 77814 84615 86460 88425 101538 108075 112820 117900 124102 129690 141025 144100 152307 155628 169230 176850 186153 194535 203076 216150 248204 253845 259380 282050 304614 310255 324225 338460 353700 372306 389070 423075 432300 507690 558459 564100 609228 620510 648450 738971 744612 761535 778140 846150 930765 972675 1015380 1116918 1241020 1269225 1296900 1477942 1523070 1551275 1675377 1692300 1861530 1945350 2216913 2233836 2538450 2792295 2955884 3046140 3102550 3350754 3694855 3723060 3807675 3890700 4433826 4653825 5076900 5584590 6205100 6650739 6701508 7389710 7615350 8128681 8376885 8867652 9307650 11084565 11169180 13301478 13961475 14779420 15230700 16257362 16753770 18474275 18615300 19952217 22169130 24386043 26602956 27922950 32514724 33253695 33507540 36948550 39904434 40643405 41884425 44338260 48772086 55422825 55845900 66507390 73158129 73897100 79808868 81286810 83768850 97544172 99761085 110845650 121930215 133014780 146316258 162573620 166268475 167537700 199522170 203217025 219474387 221691300 243860430 292632516 332536950 365790645 399044340 406434050 438948774 487720860 498805425 609651075 665073900 731581290 812868100 877897548 997610850 1097371935 1219302150 1463162580 1828953225 1995221700 2194743870 2438604300 3657906450 4389487740 5486859675 7315812900 10973719350 21947438700
• Sum of all divisors σ(n): 77572535040
• Sum of proper divisors (its aliquot sum) s(n): 55625096340
• 21947438700 is an abundant number, because the sum of its proper divisors (55625096340) is greater than itself. Its abundance is 33677657640

Bases of 21947438700

• Binary: 10100011100001010110101011001101100₂
• Hexadecimal: 0x51C2B566C
• Base-36: A2YXS30

Squares and roots of 21947438700

• 21947438700 squared (21947438700²) is 481690065490257690000
• 21947438700 cubed (21947438700³) is 10571863184746416098478603000000
• The square root of 21947438700 is 148146.6796792961
• The cube root of 21947438700 is 2799.8060537431

Scales and comparisons

• 21,947,438,700 seconds is equal to 697 years, 44 weeks, 5 days, 6 hours, 45 minutes.
• To count from 1 to 21,947,438,700 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 21947438700 cubic inches would be around 233.3 feet tall.

Recreational maths with 21947438700

• 21947438700 backwards is 00783474912
• 21947438700 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21947438700's digits is 45
• More coming soon!