7157145690

Names of 7157145690

• Cardinal: 7157145690 can be written as Seven billion, one hundred fifty-seven million, one hundred forty-five thousand, six hundred ninety.

Scientific notation

• Scientific notation: 7.15714569 × 10⁹

Factors of 7157145690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 131

Divisors of 7157145690

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 27 30 34 37 45 51 54 67 74 85 90 102 111 134 135 153 170 185 201 222 255 270 289 306 333 335 370 402 459 510 555 578 603 629 666 670 765 867 918 999 1005 1110 1139 1206 1258 1369 1445 1530 1665 1734 1809 1887 1998 2010 2278 2295 2479 2601 2738 2890 3015 3145 3330 3417 3618 3774 4107 4335 4590 4958 4995 5202 5661 5695 6030 6290 6834 6845 7437 7803 8214 8670 9045 9435 9990 10251 10693 11322 11390 12321 12395 13005 13690 14874 15606 16983 17085 18090 18870 19363 20502 20535 21386 22311 23273 24642 24790 26010 28305 30753 32079 33966 34170 36963 37185 38726 39015 41070 42143 44622 46546 51255 53465 56610 58089 61506 61605 64158 66933 69819 73926 74370 78030 84286 84915 91723 96237 96815 102510 106930 111555 116178 116365 123210 126429 133866 139638 153765 160395 169830 174267 183446 184815 192474 193630 209457 210715 223110 232730 252858 275169 288711 290445 307530 320790 334665 348534 349095 369630 379287 395641 418914 421430 458615 481185 522801 550338 577422 580890 628371 632145 669330 698190 716431 758574 791282 825507 871335 917230 962370 1045602 1047285 1137861 1186923 1256742 1264290 1375845 1432862 1443555 1559291 1651014 1742670 1896435 1978205 2094570 2149293 2275722 2373846 2476521 2614005 2751690 2887110 3118582 3141855 3560769 3582155 3792870 3956410 4127535 4298586 4677873 4953042 5228010 5689305 5934615 6283710 6447879 7121538 7164310 7796455 8255070 9355746 10682307 10746465 11378610 11869230 12382605 12895758 14033619 15592910 17803845 19343637 21364614 21492930 23389365 24765210 26507947 28067238 32239395 35607690 38687274 42100857 46778730 53015894 53411535 64478790 70168095 79523841 84201714 96718185 106823070 132539735 140336190 159047682 193436370 210504285 238571523 265079470 397619205 421008570 477143046 715714569 795238410 1192857615 1431429138 2385715230 3578572845 7157145690
• Sum of all divisors σ(n): 21148223040
• Sum of proper divisors (its aliquot sum) s(n): 13991077350
• 7157145690 is an abundant number, because the sum of its proper divisors (13991077350) is greater than itself. Its abundance is 6833931660

Bases of 7157145690

• Binary: 110101010100110010110000001011010₂
• Hexadecimal: 0x1AA99605A
• Base-36: 3AD6GYI

Squares and roots of 7157145690

• 7157145690 squared (7157145690²) is 51224734427885576100
• 7157145690 cubed (7157145690³) is 366622887231935866797282009000
• The square root of 7157145690 is 84599.9154254897
• The cube root of 7157145690 is 1927.1400893507

Scales and comparisons

• 7,157,145,690 seconds is equal to 227 years, 29 weeks, 6 days, 8 hours, 1 minute, 30 seconds.
• To count from 1 to 7,157,145,690 would take you about four hundred fifty-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 7157145690 cubic inches would be around 160.6 feet tall.

Recreational maths with 7157145690

• 7157145690 backwards is 0965417517
• 7157145690 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7157145690's digits is 45
• More coming soon!