21107913750

Names of 21107913750

• Cardinal: 21107913750 can be written as Twenty-one billion, one hundred seven million, nine hundred thirteen thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 2.110791375 × 10¹⁰

Factors of 21107913750

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 87

Divisors of 21107913750

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 25 30 33 35 42 45 49 50 55 59 63 66 70 75 77 90 98 99 105 110 118 125 126 147 150 154 165 175 177 198 210 225 231 245 250 275 294 295 315 330 350 354 375 385 413 441 450 462 490 495 525 531 539 550 590 625 630 649 693 735 750 770 825 826 875 882 885 990 1050 1062 1078 1125 1155 1225 1239 1250 1298 1375 1386 1470 1475 1575 1617 1650 1750 1770 1875 1925 1947 2065 2205 2250 2310 2450 2475 2478 2625 2655 2695 2750 2891 2950 3150 3234 3245 3465 3481 3675 3717 3750 3850 3894 4125 4130 4375 4410 4425 4543 4851 4950 5250 5310 5390 5625 5775 5782 5841 6125 6195 6490 6875 6930 6962 7350 7375 7434 7875 8085 8250 8673 8750 8850 9086 9625 9702 9735 10325 10443 11025 11250 11550 11682 12250 12375 12390 13125 13275 13475 13629 13750 14455 14750 15750 16170 16225 17325 17346 17405 18375 18585 19250 19470 20625 20650 20886 22050 22125 22715 24255 24367 24750 26019 26250 26550 26950 27258 28875 28910 29205 30625 30975 31329 31801 32450 34650 34810 36750 36875 37170 38291 39375 40425 40887 41250 43365 44250 45430 48125 48510 48675 48734 51625 52038 52215 55125 57750 58410 61250 61875 61950 62658 63602 66375 67375 68145 72275 73101 73750 76582 78750 80850 81125 81774 86625 86730 87025 91875 92925 95403 96250 97350 103250 104430 110250 110625 113575 114873 121275 121835 123750 130095 132750 134750 136290 144375 144550 146025 146202 154875 156645 159005 162250 170569 173250 174050 183750 185850 190806 191455 202125 204435 216825 219303 221250 227150 229746 242550 243375 243670 258125 260190 261075 268037 275625 286209 288750 292050 309750 313290 318010 331875 336875 340725 341138 344619 361375 365505 382910 404250 405625 408870 433125 433650 435125 438606 464625 477015 486750 511707 516250 522150 536074 551250 567875 572418 574365 606375 609175 650475 663750 673750 681450 689238 722750 730125 731010 774375 783225 795025 804111 811250 852845 866250 870250 929250 954030 957275 1010625 1022175 1023414 1084125 1096515 1135750 1148730 1212750 1216875 1218350 1300950 1305375 1340185 1431045 1460250 1535121 1548750 1566450 1590050 1608222 1703625 1705690 1723095 1806875 1827525 1876259 1914550 2021250 2044350 2168250 2175625 2193030 2323125 2385075 2412333 2433750 2558535 2610750 2680370 2839375 2862090 2871825 3031875 3045875 3070242 3252375 3407250 3446190 3613750 3650625 3655050 3752518 3916125 3975125 4020555 4264225 4351250 4646250 4770150 4786375 4824666 5110875 5117070 5420625 5482575 5628777 5678750 5743650 6063750 6091750 6504750 6526875 6700925 7155225 7301250 7675605 7832250 7950250 8041110 8518125 8528450 8615475 9137625 9381295 9572750 10221750 10841250 10965150 11257554 11925375 12061665 12792675 13053750 13401850 14310450 14359125 15229375 15351210 16261875 16886331 17036250 17230950 18275250 18762590 19580625 19875625 20102775 21321125 23850750 23931875 24123330 25554375 25585350 27412875 28143885 28718250 30458750 32523750 33504625 33772662 35776125 38378025 39161250 39751250 40205550 42642250 43077375 45688125 46906475 47863750 51108750 54825750 56287770 59626875 60308325 63963375 67009250 71552250 71795625 76756050 84431655 86154750 91376250 93812950 100513875 106605625 119253750 120616650 127926750 137064375 140719425 143591250 167523125 168863310 178880625 191890125 201027750 213211250 215386875 234532375 274128750 281438850 301541625 319816875 335046250 357761250 383780250 422158275 430773750 469064750 502569375 603083250 639633750 703597125 844316550 959450625 1005138750 1172661875 1407194250 1507708125 1918901250 2110791375 2345323750 3015416250 3517985625 4221582750 7035971250 10553956875 21107913750
• Sum of all divisors σ(n): 73773038196
• Sum of proper divisors (its aliquot sum) s(n): 52665124446
• 21107913750 is an abundant number, because the sum of its proper divisors (52665124446) is greater than itself. Its abundance is 31557210696

Bases of 21107913750

• Binary: 10011101010001000010011010000010110₂
• Hexadecimal: 0x4EA213416
• Base-36: 9P33UHI

Squares and roots of 21107913750

• 21107913750 squared (21107913750²) is 445544022877439062500
• 21107913750 cubed (21107913750³) is 9404504806725010552130859375000
• The square root of 21107913750 is 145285.6281605307
• The cube root of 21107913750 is 2763.6419117019

Scales and comparisons

• 21,107,913,750 seconds is equal to 671 years, 8 weeks, 4 days, 13 hours, 22 minutes, 30 seconds.
• To count from 1 to 21,107,913,750 would take you about one thousand, three hundred forty-two 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 21107913750 cubic inches would be around 230.3 feet tall.

Recreational maths with 21107913750

• 21107913750 backwards is 05731970112
• The number of decimal digits it has is: 11
• The sum of 21107913750's digits is 36
• More coming soon!