21172294512

Names of 21172294512

• Cardinal: 21172294512 can be written as Twenty-one billion, one hundred seventy-two million, two hundred ninety-four thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1172294512 × 10¹⁰

Factors of 21172294512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 144

Divisors of 21172294512

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 36 37 46 48 54 69 72 74 79 81 92 108 111 138 144 148 158 162 184 207 216 222 237 243 276 296 316 324 333 368 414 432 444 474 486 552 592 621 632 648 666 711 729 828 851 888 948 972 999 1104 1242 1264 1296 1332 1422 1458 1656 1702 1776 1817 1863 1896 1944 1998 2133 2187 2484 2553 2664 2844 2916 2923 2997 3312 3404 3634 3726 3792 3888 3996 4266 4374 4968 5106 5328 5451 5589 5688 5832 5846 5994 6399 6561 6808 7268 7452 7659 7992 8532 8748 8769 8991 9936 10212 10902 11178 11376 11664 11692 11988 12798 13122 13616 14536 14904 15318 15984 16353 16767 17064 17496 17538 17982 19197 19683 20424 21804 22356 22977 23384 23976 25596 26244 26307 26973 29072 29808 30636 32706 33534 34128 34992 35076 35964 38394 39366 40848 43608 44712 45954 46768 47952 49059 50301 51192 52488 52614 53946 57591 61272 65412 67068 67229 68931 70152 71928 76788 78732 78921 80919 87216 89424 91908 98118 100602 102384 104976 105228 107892 115182 122544 130824 134136 134458 137862 140304 143856 147177 150903 153576 157464 157842 161838 172773 183816 196236 201204 201687 206793 210456 215784 230364 236763 242757 261648 268272 268916 275724 294354 301806 307152 314928 315684 323676 345546 367632 392472 402408 403374 413586 420912 431568 441531 452709 460728 473526 485514 518319 537832 551448 588708 603612 605061 620379 631368 647352 691092 710289 728271 784944 804816 806748 827172 883062 905418 921456 947052 971028 1036638 1075664 1102896 1177416 1207224 1210122 1240758 1262736 1294704 1324593 1382184 1420578 1456542 1554957 1613496 1654344 1766124 1810836 1815183 1861137 1894104 1942056 2073276 2130867 2354832 2414448 2420244 2481516 2649186 2764368 2841156 2913084 3109914 3226992 3308688 3532248 3621672 3630366 3722274 3788208 3884112 3973779 4146552 4261734 4840488 4963032 5298372 5445549 5583411 5682312 5826168 6219828 6392601 7064496 7243344 7260732 7444548 7947558 8293104 8523468 9680976 9926064 10596744 10891098 11166822 11364624 11652336 11921337 12439656 12785202 14521464 14889096 15895116 16336647 16750233 17046936 19177803 21193488 21782196 22333644 23842674 24879312 25570404 29042928 29778192 31790232 32673294 33500466 34093872 35764011 38355606 43564392 44667288 47685348 49009941 51140808 57533409 63580464 65346588 67000932 71528022 76711212 87128784 89334576 95370696 98019882 102281616 115066818 130693176 134001864 143056044 147029823 153422424 190741392 196039764 230133636 261386352 268003728 286112088 294059646 306844848 392079528 441089469 460267272 572224176 588119292 784159056 882178938 920534544 1176238584 1323268407 1764357876 2352477168 2646536814 3528715752 5293073628 7057431504 10586147256 21172294512
• Sum of all divisors σ(n): 66776202240
• Sum of proper divisors (its aliquot sum) s(n): 45603907728
• 21172294512 is an abundant number, because the sum of its proper divisors (45603907728) is greater than itself. Its abundance is 24431613216

Bases of 21172294512

• Binary: 10011101101111101111001001101110000₂
• Hexadecimal: 0x4EDF79370
• Base-36: 9Q5FR00

Squares and roots of 21172294512

• 21172294512 squared (21172294512²) is 448266054902865318144
• 21172294512 cubed (21172294512³) is 9490820934135826068415345225728
• The square root of 21172294512 is 145507.0256448121
• The cube root of 21172294512 is 2766.4488333905

Scales and comparisons

• 21,172,294,512 seconds is equal to 673 years, 11 weeks, 16 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,172,294,512 would take you about one thousand, three hundred forty-six 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 21172294512 cubic inches would be around 230.5 feet tall.

Recreational maths with 21172294512

• 21172294512 backwards is 21549227112
• 21172294512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21172294512's digits is 36
• More coming soon!